OPTIBELT TE CHNICAL MANUAL Rubber Timing Belt Drives

Transcription

optibelt
inc
& l.
BU PU
SH LLE
ES YS
TECHNICAL MANUAL
Rubber Timing Belt Drives
TECHNICAL MANUAL
Rubber Timing Belt Drives
optibelt OMEGA and optibelt ZR timing belts have been
developed for the use in high performance drives. Drive
speed is transmitted synchronously, i.e. without speed
loss, and with a constant transmission ratio.
The optibelt OMEGA tooth profile significantly reduces
the running noise level. The teeth are designed to ensure
that they mesh perfectly, with minimal friction, into the
pulley teeth. optibelt OMEGA timing belts run in HTD
and RPP pulleys.
This technical manual contains all important information
for the belts usage. Furthermore, the calculation methods
for the drive design with optibelt OMEGA, optibelt
OMEGA HP, optibelt OMEGA FAN POWER, optibelt

OMEGA HL and ZR timing belts are also presented.
The belt characteristics described may change due to
various influences. Thus, the drives must be designed
based on their intended use (or in a way that comes close
to their intended use).
If you have any further questions, please make use of
the free service offered by our Application Engineering
Department.
© Arntz OPTIBELT Group, Germany 1
OPTIBELT EUROPE
OPTIBELT AFRICA
OPTIBELT AMERICA
OPTIBELT’s partners can
be found in most countries
throughout the world
2 © Arntz OPTIBELT Group, Germany
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pte. ltd.
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power transmission
(shanghai) Co., ltd.
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OPTIBELT AUSTRALIA
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india pvt. ltd.
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Australia pty ltd.
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TABLE OF CONTENTS
Introduction............................................................................................. 1
Sales organisation of the Arntz optibelt Group............................................. 2
PRODUCT DESCRIPTION
optibelt OMEGA
Timing Belts in optibelt OMEGA Profile................................................... 6-7
optibelt OMEGA HL Timing Belts............................................................ 8-9
optibelt OMEGA HL, Standard Product Range..................................... 10-11
optibelt OMEGA FAN POWER Timing Belts.............................................. 12
optibelt OMEGA FAN POWER, Standard Product Range............................ 13
optibelt OMEGA HP Timing Belts ...................................................... 14-15
optibelt OMEGA HP, Standard Product Range..................................... 16-19
optibelt OMEGA Timing Belts ................................................................. 20
optibelt OMEGA, Standard Product Range.......................................... 21-27
optibelt ZR
optibelt ZR Timing Belts...................................................................... 28-29
Standard Properties/Special Designs........................................................ 30
optibelt OMEGA linear and optibelt ZR linear...................................... 31
optibelt ZR Timing Belts, Standard Product Range,
Profiles MXL, XL, L, H, XH, XXH, DXL, DL, DH ................................... 32-34
DRIVE DESIGN
optibelt OMEGA
Explanation of Symbols .......................................................................... 35
optibelt OMEGA HL Timing Belts, Guidelines for Selection ......................... 36
optibelt OMEGA HP and optibelt OMEGA FAN POWER Timing Belts,
Guidelines for Selection ...................................................................... 37
optibelt OMEGA Timing Belts, Guidelines for Selection .............................. 38
optibelt ZR Timing Belts, Guidelines for Selection....................................... 39
Load Factors.......................................................................................... 40
Additional Factors.................................................................................. 41
Formulas and Calculation Examples .................................................. 42-43
Belt Tension........................................................................................... 44
Drive Design with optibelt CAP Drive Calculation Programme...................... 45
Power Ratings
optibelt OMEGA
optibelt OMEGA HL Timing Belts, Profile and Design 8M HL ....................... 46
optibelt OMEGA HL Timing Belts, Profile and Design 14M HL ..................... 47
optibelt OMEGA FAN POWER Timing Belts, Profile and Design 8M FP......... 48
optibelt OMEGA FAN POWER Timing Belts, Profile and Design 14M FP....... 49
optibelt OMEGA HP Timing Belts, Profile and Design 3M HP....................... 50
optibelt OMEGA HP Timing Belts, Profile and Design 14M HP..................... 53
optibelt OMEGA Timing Belts, Profile and Design 2M ................................ 54
optibelt OMEGA Timing Belts, Profile and Design 14M .............................. 58
TABLE OF CONTENTS
Power Ratings
optibelt ZR
optibelt ZR Profile MXL ..................................................................... 60-61
optibelt ZR Profile XL ........................................................................ 62-63
optibelt ZR Profile L .......................................................................... 64-65
optibelt ZR Profile H ......................................................................... 66-67
optibelt ZR Profile XH ....................................................................... 68-69
optibelt ZR Profile XXH ..................................................................... 70-71
DIMENSIONS
AND TOLERANCES
optibelt OMEGA
Timing Belts in optibelt OMEGA Profile .................................................... 72
Timing Belt Pulleys, Pitch Diameter and Outside Diameter...................... 73-76
optibelt ZRS HTD Timing Belt Pulleys for Cylindrical Bores..................... 77-84
optibelt ZRS HTD Timing Belt Pulleys for Taper Bushes........................... 85-90
optibelt TB Taper Bushes ......................................................................... 91
Timing Belt Pulleys, Recommended Special Designs ................................... 92
Timing Belt Pulleys, Dimensions and Tolerances .................................... 93-94
optibelt ZRS
Dimensions and Tolerances ................................................................ 95-97
Pitch and Outside Diameter................................................................ 98-99
optibelt ZRS Profile XL, L for Cylindrical Bores................................... 100-101
optibelt ZRS Profile H for Cylindrical Bores....................................... 102-104
optibelt ZRS Profile XH for Cylindrical Bores .................................... 104-105
optibelt ZRS Profile L for optibelt TB Taper Bushes.............................. 106-107
optibelt ZRS Profile H for optibelt TB Taper Bushes............................. 108-109
optibelt ZRS Profile XH for optibelt TB Taper Bushes........................... 110-111
Design hints
optibelt OMEGA
Flanged Pulleys/Tension Idlers............................................................... 112
Installation and Maintenance................................................................. 113
Problems – Causes – Remedies.............................................................. 114
optibelt ZR
optibelt ZR Timing Belts, Double-sided .................................................... 115
Overview of Standards......................................................................... 116
Data Sheet for the Calculation/Checking Timing Belt Drives............... 117-118
PRODUCT DESCRIPTION
TIMING BELTS in optibelt OMEGA PROFILE
optibelt OMEGA Profile
The optibelt OMEGA profile is a further development of the optibelt HTD profile. Its advantage, compared to the other
timing belt profiles, is reduced running noise.
optibelt OMEGA HL
On high and low speed drives the optibelt OMEGA HL timing belt exceeds
the performance of the optibelt OMEGA HP by up to 15 %. It was also
specially designed for shock loaded drives.
In new drives for these applications, the OMEGA HL achieves supreme
operational reliability combined with optimum economic efficiency.
For power ratings see optibelt OMEGA HL pages 46-47.
optibelt OMEGA FAN POWER
The optibelt OMEGA FAN POWER timing belt was developed for fan drives
in the oil industry.
The optibelt OMEGA FAN POWER is characterised by a long service life and
antistatic properties.
For power ratings see optibelt OMEGA FAN POWER pages 48-49.
optibelt OMEGA HP
The optibelt OMEGA HP timing belt reaches a performance level up to
150 % higher than that of optibelt OMEGA and is especially applicable for
cost-efficient new designs.
The optibelt OMEGA HP is suitable for both low speed and high speed
drives with high power and steady loads.
For power ratings see optibelt OMEGA HP pages 50-53.
optibelt OMEGA
The optibelt OMEGA timing belt has the performance level of the established
optibelt HTD timing belt and is its replacement. The belt is best for medium
performance drives in all speed ranges without heavy shock loading.
Double-sided timing belts for drives with reversible speed can be delivered
with HTD profiles.
Double-sided timing belts with optibelt OMEGA profiles on request.
For power ratings see optibelt OMEGA page 54-58.
optibelt ZRS
optibelt OMEGA, optibelt OMEGA HP, optibelt OMEGA FAN POWER and optibelt OMEGA HL timing belts are used in
optibelt ZRS HTD timing belt pulleys or in RPP timing belt pulleys.
For applications in other pulleys, please contact the Optibelt Application Engineering Department.
PRODUCT DESCRIPTION
TIMING BELTS IN optibelt OMEGA Profile
STANDARD PROPERTIES
All optibelt optibelt OMEGA timing belts have inherent
resistance to oil, heat, cold, ozone and tropical conditions.
Special labelling is not required.
Temperature resistance
The timing belt can withstand ambient temperatures
from ≈ –30 °C to +100 °C. Temperatures outside this range
lead to premature ageing and embrittlement of the timing
belts and thus to their premature failure. The temperature
resistance of optibelt OMEGA timing belts can be extended
using special belt constructions, e.g. up to +140 °C. Please
contact the Optibelt Application Engineering Department.
Antistatic properties
Antistatic properties enable the safe discharge of electrostatic charges. This charging can have such a strong impact
on timing belts with insufficient electrical conductivity that
there is the danger of ignition due to sparks. The use of
antistatic timing belts requires that the properties be checked
in accordance with ISO 9563, and is confirmed by the issue
of an inspection certificate. optibelt OMEGA HP and
optibelt OMEGA HL timing belts in profiles 8M and 14M as
well as optibelt OMEGA FAN POWER are antistatic
according to ISO 9563 by standard and are thus labelled
accordingly.
2000
1800
1600
1400
%
Oil resistance
The limited oil resistance prevents the damaging effects of
mineral oils and greases, as long as these substances are
not in permanent contact with the timing belt and/or are not
present in large quantities. With increased demands for
resistance, e.g. to mineral oils, the performance of the
optibelt OMEGA timing belts can be improved by using
special belt constructions. Please contact the optibelt
Application Engineering Department.
Operational life
1200
1000
800
600
400
200
0
optibelt
OMEGA HP
Standard
timing belt
Noise emission
The optimized tooth shape and the indent in the tooth tip of
the optibelt OMEGA promote a significantly lower noise
level. In combination with the newly developed materials,
the noise level is further reduced, even at high speeds and
with high belt tensions.
Operational life
Belt designs with increased capacity can exceed the
potential operational life of standard designs many times
over, particularly for highly loaded or overloaded drives.
Example: Dynamic tests with optibelt OMEGA HP show that
the running times, compared to standard timing belts, are
up to 18 times higher.
Application example: roller path
Efficiency
The specially developed tooth fabric and the flexible belt
design make possible a virtually frictionless drive with an
efficiency of up to 98 %.
PRODUCT DESCRIPTION
optibelt OMEGA HL TIMING BELTS
Structure
Top layer
Tension cord
Tooth
Fabric
Top layer
The top layer of the optibelt OMEGA HL as well as the the
teeth, consists of a polychloroprene compound reinforced
with aramid fibres. Thus, an even more abrasion resistant
surface is in contact with any reverse bend idler. The belt
top layer protects the tension cord from environmental
influences.
Tension cord
In contrast to the optibelt OMEGA HP with glass cord, the
optibelt OMEGA HL uses a significantly higher strength glass
cord. Thus, the power can be further increased by up to
25 %. The resistance to shock leads is also significantly
increased.
The new high performance timing belt for
extremely high loads across the whole speed
spectrum
OPTIBELT has developed this belt in the sections 8M and
14M especially for drives with high torques and severe
shock loads. These types of drives can often be found in
general engineering.
For this use, the structure and the material of the timing belt
have been optimised in such a way that highest operational
reliability combined with optimal economic efficiency can
be achieved when re-designing a drive. Initially, the belt will
be available in the 8M section. optibelt OMEGA HL timing
belts are used in optibelt ZRS HTD pulleys or in RPP timing
belt pulleys. For applications in other pulleys, please contact
the OPTIBELT Application Engineering Department.
A reinforced glass tension cord is used. This innovative glass
cord stands out due to the combination of the following,
important characteristics:
• good resistance to shock loads
• very high dynamic resistance
• very low permanent and elastic stretch
Therefore, the belt performance can be increased by an
additional 15 %, compared to optibelt OMEGA HP. In
contrast to an aramid cord, which also has a very high
resistance to shock loading, the reinforced glass cord has a
considerably lower permanent stretch during the running
time. Aramid cord has a high permanent stretch (see
diagram) during running. The minimal tension loss of the
reinforced glass cord enables a keeping of the pitch and
thus to a load which is distributed more evenly on the teeth
during running.
In addition, the reinforced glass cord can also be used at
medium and high speeds while the use of the aramid cord is
limited to low and medium speeds. In contrast to the aramid
cord, the reinforced glass cord enables a considerable
extension to the range of applications.
Belt tension loss
Fabric
The shear strength of the teeth is enhanced by an extremely
tough fabric. The shape of the optibelt OMEGA teeth and
the minimal friction fabric enable a smooth meshing of the
belt tooth into the pulley groove. In addition, the special
polyamide fabric is very wear resistant.
Belt tension [N]
Teeth
The considerably increased tooth strength (compared to
optibelt OMEGA) is made possible by the use of aramid
fibres in the polychloroprene compound. This imparts very
high tooth stiffness as well as increased shear strength.
Time [h]
PRODUCT DESCRIPTION
CHARACTERISTICS, ADVANTAGES AND APPLICATION EXAMPLES
Power ratings overview
Power Comparison
8M HL
8M HP
8M
8
8
8
20
20
20
96.77
96.77
96.77
Speed [min-1]
600
600
600
Nominal power [kW]
6.86
5.96
2.82
Pitch [mm]
9
8
Width [mm]
7
Power [kW]
Profile and design
Pulley diameter [mm]
6
5
4
3
2
1
0
optibelt optibeltoptibelt
OMEGA HL OMEGA HP
OMEGA
Preferred application areas
• textile machines
• machine tools
Overview of the advantages and characteristics
of the optibelt OMEGA HL
• compressors
• dimensionally stable structure with high flexibility
• wood working machines
• very low permanent and elastic stretch of the cord
• printing machines
• paper machines
• friction and abrasion resistant, fabric with high shear strength
• up to 2.5 times higher power transmission capability (an increase of up to 150 %) compared to standard optibelt
OMEGA timing belts
• approx. up to 15 % increase of the power transmission compared to the established high performance design
optibelt OMEGA HP
• suitable for low and high speed, dynamically highly loaded drives
• good resistance to medium and high shock loading
• further extended, very large range of applications
• electrically antistatic to ISO 9563 confirmed on request
Advantages and characteristics of a drive with optibelt OMEGA HL timing belts
in these application areas
•reduced installation space compared to optibelt OMEGA HP and in particular to optibelt OMEGA timing belts in
standard design
• reduced costs for belts and pulleys
• better options for drive design
• reduced shaft diameters and smaller bearings
• reduced running noise
• improved efficiency
Significant system cost reduction and high operational reliability for even greater economic
efficiency in new drives.
For additional advantages and characteristics, see optibelt OMEGA on page 20.
PRODUCT DESCRIPTION
STANDARD PRODUCT RANGE
Profile
ht
hs
t
t
8M HL
[mm]
8.0
hs [mm]
5.4
ht [mm]
3.2
optibelt OMEGA 8M HL
Belt designation
Pitch length Number of
[mm]
teeth
288 8MHL•
288.00
352 8MHL•
352.00
376 8MHL•
376.00
416 8MHL•
416.00
424 8MHL•
424.00
480 8MHL
480.00
536 8MHL•
536.00
560 8MHL
560.00
576 8MHL•
576.00
584 8MHL•
584.00
600 8MHL•
600.00
608 8MHL
608.00
632 8MHL•
632.00
640 8MHL
640.00
656 8MHL
656.00
680 8MHL•
680.00
712 8MHL•
712.00
720 8MHL
720.00
760 8MHL•
760.00
776 8MHL
776.00
784 8MHL
784.00
800 8MHL
800.00
824 8MHL•
824.00
840 8MHL•
840.00
848 8MHL•
848.00
856 8MHL•
856.00
880 8MHL
880.00
896 8MHL•
896.00
912 8MHL
912.00
920 8MHL
920.00
960 8MHL
960.00
976 8MHL•
976.00
1000 8MHL• 1000.00
1040 8MHL 1040.00
1056 8MHL• 1056.00
36
44
47
52
53
60
67
70
72
73
75
76
79
80
82
85
89
90
95
97
98
100
103
105
106
107
110
112
114
115
120
122
125
130
132
Belt designation
1064
1080
1096
1120
1128
1160
1184
1200
1216
1224
1248
1280
1304
1344
1360
1400
1424
1440
1520
1552
1584
1600
1680
1696
1728
1760
1800
1936
2000
2240
2248
2272
2400
2504
2600
8MHL•
8MHL•
8MHL•
8MHL
8MHL•
8MHL•
8MHL•
8MHL
8MHL•
8MHL•
8MHL•
8MHL
8MHL
8MHL•
8MHL
8MHL•
8MHL
8MHL
8MHL•
8MHL•
8MHL•
8MHL
8MHL•
8MHL•
8MHL•
8MHL
8MHL
8MHL•
8MHL
8MHL
8MHL•
8MHL•
8MHL
8MHL•
8MHL
[mm]
teeth
1064.00
1080.00
1096.00
1120.00
1128.00
1160.00
1184.00
1200.00
1216.00
1224.00
1248.00
1280.00
1304.00
1344.00
1360.00
1400.00
1424.00
1440.00
1520.00
1552.00
1584.00
1600.00
1680.00
1696.00
1728.00
1760.00
1800.00
1936.00
2000.00
2240.00
2248.00
2272.00
2400.00
2504.00
2600.00
133
135
137
140
141
145
148
150
152
153
156
160
163
168
170
175
178
180
190
194
198
200
210
212
216
220
225
242
250
280
281
284
300
313
325
Belt designation
2800
3048
3280
3600
8MHL
8MHL
8MHL•
8MHL
Pitch length
[mm]
Number of
teeth
2800.00
3048.00
3280.00
3600.00
350
381
410
450
Standard width: 20 mm, 30 mm, 50 mm, 85 mm
(Further sizes and special width ranges on request) • Not available ex stock
Order example:
TIMING BELTS: optibelt OMEGA HL 1200 8M HL 20
1200 = 1200 mm pitch length
8M HL = profile and design
20
= 20 mm belt width
PRODUCT DESCRIPTION
ht
hs
t
Profile
14M HL
t [mm]
14.0
hs [mm]
9.5
ht [mm]
5.6
optibelt OMEGA 14M HL
Belt designation
966
1092
1190
1400
1456
1610
1778
1890
2100
2310
14MHL
14MHL
14MHL
14MHL
14MHL•
14MHL
14MHL
14MHL
14MHL
14MHL
Pitch length
[mm]
966.00
1092.00
1190.00
1400.00
1456.00
1610.00
1778.00
1890.00
2100.00
2310.00
Number of teeth
69
78
85
100
104
115
127
135
150
165
Belt designation
2450
2590
2800
3150
3360
3500
3850
4326
4578
14MHL
14MHL
14MHL
14MHL
14MHL
14MHL
14MHL
14MHL
14MHL
Pitch length
[mm]
2450.00
2590.00
2800.00
3150.00
3360.00
3500.00
3850.00
4326.00
4578.00
Number of teeth
175
185
200
225
240
250
275
309
327
Standard width: 40 mm, 55 mm, 85 mm, 115 mm, 170 mm
Order example:
TIMING BELTS: optibelt OMEGA HL 1400 14M HL 40
14M HL = profile and design
40
= 40 mm belt width
PRODUCT DESCRIPTION
optibelt OMEGA FAN POWER TIMING BELTS
Structure
Top layer
Tension cord
Tooth
Fabric
The high performance timing belt for fan drives in
the oil industry
Fan drives in the oil industry with medium and high transmission ratios are expected to meet some demanding requirements:
• antistatic according to ISO 9563
• optimised for low tooth meshing wear
• long service life
• maintenance-free
• high level of efficiency
• constant flow of air thanks to synchronous operation
• resistant to external influences such as variations in
temperature and moisture
optibelt OMEGA, optibelt OMEGA HP, optibelt OMEGA HL
and optibelt OMEGA FAN POWER timing belts are used in
optibelt ZRS HTD timing belt pulleys or in optibelt ZRS RPP
timing belt pulleys. For applications in other pulleys, please
consult the optibelt Application Engineering Department.
Top layer
A durable and flexible top layer protects the main body of
the belt. The polychloroprene top surface is reinforced with
aramid fibres with a degree of resistance to mineral oils and
humidity, as well as protection against wear and tear due to
friction.
Tension cord
The tension cords are reinforced pairs of counter twisted
glass fibres. These tension cords have very high tensile
strength, very high flexibility and minimal stretch.
Teeth
The teeth consist of a new compound reinforced with aramid
fibres, which guarantee high shear strength. They are
shaped and exactly spaced in such a way that they mesh
perfectly with the pulley grooves with minimal friction. The
dimple in the tooth guarantees quiet running.
Fabric
The specially developed polyamide fabric stands out due to
its extraordinarily low frictional coefficient and its low noise
characteristics.
It also protects the teeth from early wear and tear and
prevents tooth shear.
PRODUCT DESCRIPTION
(only average values – mm)
3.2
5.4
5.6
8.0
14.0
optibelt OMEGA FAN POWER 8M FP
Belt designation
2000
2240
2400
2600
2800
8M
8M
8M
8M
8M
FP•
FP•
FP•
FP•
FP•
9.5
Pitch length
[mm]
Number of teeth
2000.00
2240.00
2400.00
2600.00
2800.00
250
280
300
325
350
optibelt OMEGA FAN POWER 14M FP
Belt designation
Standard width: 30 mm, 50 mm, 85 mm
(Further sizes and special width ranges on request)
• Not available ex stock
Order example:
TIMING BELTS: optibelt OMEGA FAN POWER 2000 8M FP 30
2800
3150
3360
3500
3850
4326
4578
14MFP
14MFP
14MFP
14MFP
14MFP
14MFP
14MFP
Pitch length
[mm]
Number of teeth
2800.00
3150.00
3360.00
3500.00
3850.00
4326.00
4578.00
200
225
240
250
275
309
327
Standard width: 55 mm, 85 mm
(Further sizes and special width ranges on request)
8M FP= profile and design
30
= 30 mm belt width
PRODUCT DESCRIPTION
optibelt OMEGA HP TIMING BELTS
Structure
Top layer
Tension cord
Tooth
Fabric
The high performance timing belt for high load,
high speed machine drives
Compact synchronous drives are used in the whole field of
mechanical drive engineering. High power transmission
capability, good running characteristics and high operational safety are only some of the demands made on timing
belts. Modern manufacturing techniques and quality
inspections during all processing stages ensure products
with highest reliability. optibelt OMEGA HP high performance timing belts have been especially developed for high
load, low and high speed drives that are evenly loaded
without heavy shock. Improved materials and optimised
production form the basis for this very high performance
range.
optibelt OMEGA, optibelt OMEGA HP and optibelt
OMEGA HL timing belts are used in optibelt ZRS HTD timing
belt pulleys or in optibelt ZRS RPP timing belt pulleys.
For applications using other pulleys, please contact the
Optibelt Application Engineering Department.
Top layer
A durable and flexible top layer protects the tension cord
from external influences. In addition, the polychloroprene
compound is reinforced with aramid fibres and has a degree
of resistance to mineral oils and humidity as well as protection
from wear and tear due to friction.
Tension cord
The tension cords are reinforced pairs of counter twisted
glass fibres. These tension cords have very high tensile
strength, very high flexibility and minimal stretch.
Teeth
The teeth consist of a new compound reinforced with aramid
fibres, which guarantee high shear strength. They are
shaped and exactly spaced in such a way that they mesh
perfectly with the pulley teeth with minimal friction. The
indent in the tooth guarantees quiet running.
Fabric
The specially developed polyamide fabric stands out due to
its extraordinarily low frictional coefficient and its low noise
characteristics.
It also protects the teeth from early wear and tear and
prevents tooth shear.
Application example: test bench
The new high performance timing belt
optibelt OMEGA 5M HP
In the field of the high performance timing belts the optibelt
OMEGA 5M HP has been developed for small pulley
diameters, short centre distances and high speeds.
The optibelt OMEGA 5M HP transmits up to 3 times the
power of an optibelt OMEGA 5M (an increase in power
of up to 200 %). The performance level of the optibelt
OMEGA 5M HP roughly corresponds with the level of the
considerably larger section optibelt OMEGA 8M – with the
same pulley diameters.
PRODUCT DESCRIPTION
Power ratings overview
Power comparison
30
8M HP
8M
H
8
8
12.7
20
20
19.05
Pulley diameter [mm]
96.77
96.77
97.02
Speed [min-1]
2850
2850
2850
Nominal power [kW]
24.4
10.8
6.0
Pitch [mm]
25
Power [kW]
Profile and design
Width [mm]
20
15
10
5
0
optibelt
optibelt
optibelt
OMEGA HP OMEGA
ZR
OPTIBELT timing belts
Preferred application areas
• textile machines
• machine tools
of the optibelt OMEGA HP
• dimensionally stable structure with high flexibility
• low permanent and elastic stretch of the cord
• compressors
• printing machines
• wood working machines
• paper machines
• friction and abrasion resistant fabric with high shear strength
• approximately double power transmission capability (profile 5M HP approximately trebles the power transmission
capacity) compared to optibelt OMEGA timing belts in their standard design
• suitable for low and high speed, high load drives
• good resistance and smooth operation, low and medium shock load
• large range of applications
• electrical antistatic according to ISO 9563 confirmed on request
Advantages and characteristics of a drive with optibelt OMEGA HP timing belts
in these application areas
• considerably reduced drive volume compared to optibelt OMEGA timing belts in standard design
• reduced costs for belts and pulleys
• greater options for drive design
• reduced shaft diameters and smaller bearings
• reduced running noise levels
• improved efficiency
Significant system cost reduction and high operational reliability for even greater economic
efficiency in new drives
For additional advantages and characteristics, see optibelt OMEGA on page 20.
PRODUCT DESCRIPTION
ht
hs
t
Profile
3M HP
t [mm]
3.0
hs [mm]
2.3
ht [mm]
1.1
Belt
designation
111
129
141
144
150
159
165
168
171
174
177
180
183
186
192
195
201
204
207
210
213
219
225
237
240
246
249
252
255
267
276
282
285
288
291
3MHP•
3MHP•
3MHP•
3MHP
3MHP•
3MHP•
3MHP•
3MHP•
3MHP•
3MHP
3MHP
3MHP•
3MHP•
3MHP•
3MHP•
3MHP•
3MHP
3MHP•
3MHP
3MHP
3MHP•
3MHP•
3MHP
3MHP
3MHP
3MHP•
3MHP•
3MHP•
3MHP
3MHP•
3MHP
3MHP•
3MHP
3MHP•
3MHP•
[mm]
teeth
111.00
129.00
141.00
144.00
150.00
159.00
165.00
168.00
171.00
174.00
177.00
180.00
183.00
186.00
192.00
195.00
201.00
204.00
207.00
210.00
213.00
219.00
225.00
237.00
240.00
246.00
249.00
252.00
255.00
267.00
276.00
282.00
285.00
288.00
291.00
37
43
47
48
50
53
55
56
57
58
59
60
61
62
64
65
67
68
69
70
71
73
75
79
80
82
83
84
85
89
92
94
95
96
97
Belt
designation
294
300
312
315
318
330
333
339
345
357
363
366
384
390
420
426
435
447
462
474
480
486
495
501
513
519
522
525
531
537
558
564
570
582
597
3MHP•
3MHP
3MHP
3MHP•
3MHP
3MHP
3MHP•
3MHP•
3MHP•
3MHP
3MHP
3MHP•
3MHP
3MHP•
3MHP
3MHP•
3MHP•
3MHP
3MHP•
3MHP
3MHP•
3MHP•
3MHP•
3MHP
3MHP
3MHP•
3MHP•
3MHP•
3MHP•
3MHP•
3MHP•
3MHP•
3MHP•
3MHP•
3MHP
[mm]
teeth
294.00
300.00
312.00
315.00
318.00
330.00
333.00
339.00
345.00
357.00
363.00
366.00
384.00
390.00
420.00
426.00
435.00
447.00
462.00
474.00
480.00
486.00
495.00
501.00
513.00
519.00
522.00
525.00
531.00
537.00
558.00
564.00
570.00
582.00
597.00
98
100
104
105
106
110
111
113
115
119
121
122
128
130
140
142
145
149
154
158
160
162
165
167
171
173
174
175
177
179
186
188
190
194
199
Belt
designation
600
606
615
633
669
675
711
738
804
816
843
882
888
1062
1569
1587
1692
3MHP•
3MHP•
3MHP•
3MHP•
3MHP
3MHP•
3MHP•
3MHP•
3MHP•
3MHP•
3MHP•
3MHP•
3MHP•
3MHP•
3MHP•
3MHP•
3MHP•
[mm]
teeth
600.00
606.00
615.00
633.00
669.00
675.00
711.00
738.00
804.00
816.00
843.00
882.00
888.00
1062.00
1569.00
1587.00
1692.00
Order example:
TIMING BELTS: optibelt OMEGA HP 225 3M HP 9
3M HP= profile and design
9
= 9 mm belt width
200
202
205
211
223
225
237
246
268
272
281
294
296
354
523
529
564
PRODUCT DESCRIPTION
ht
hs
t
Profile
5M HP
t [mm]
5.0
hs [mm]
3.4
ht [mm]
1.9
Belt designation
180
225
255
265
270
275
280
295
300
305
325
330
340
350
360
365
370
375
385
400
415
420
425
450
460
475
490
500
520
525
535
540
550
560
565
5MHP
5MHP
5MHP
5MHP
5MHP•
5MHP•
5MHP•
5MHP•
5MHP•
5MHP
5MHP
5MHP
5MHP•
5MHP
5MHP
5MHP•
5MHP•
5MHP
5MHP•
5MHP
5MHP•
5MHP•
5MHP
5MHP
5MHP•
5MHP
5MHP•
5MHP
5MHP•
5MHP
5MHP
5MHP•
5MHP
5MHP•
5MHP
[mm]
teeth
180.00
225.00
255.00
265.00
270.00
275.00
280.00
295.00
300.00
305.00
325.00
330.00
340.00
350.00
360.00
365.00
370.00
375.00
385.00
400.00
415.00
420.00
425.00
450.00
460.00
475.00
490.00
500.00
520.00
525.00
535.00
540.00
550.00
560.00
565.00
36
45
51
53
54
55
56
59
60
61
65
66
68
70
72
73
74
75
77
80
83
84
85
90
92
95
98
100
104
105
107
108
110
112
113
Belt designation
575
580
600
610
615
630
635
640
645
650
665
670
700
710
720
740
750
755
775
790
800
825
830
835
850
860
890
900
925
935
940
950
965
975
980
5MHP•
5MHP•
5MHP
5MHP•
5MHP•
5MHP
5MHP
5MHP•
5MHP
5MHP•
5MHP
5MHP•
5MHP
5MHP
5MHP•
5MHP
5MHP•
5MHP
5MHP•
5MHP•
5MHP
5MHP•
5MHP•
5MHP
5MHP•
5MHP•
5MHP
5MHP
5MHP
5MHP•
5MHP•
5MHP
5MHP•
5MHP•
5MHP•
[mm]
teeth
575.00
580.00
600.00
610.00
615.00
630.00
635.00
640.00
645.00
650.00
665.00
670.00
700.00
710.00
720.00
740.00
750.00
755.00
775.00
790.00
800.00
825.00
830.00
835.00
850.00
860.00
890.00
900.00
925.00
935.00
940.00
950.00
965.00
975.00
980.00
115
116
120
122
123
126
127
128
129
130
133
134
140
142
144
148
150
151
155
158
160
165
166
167
170
172
178
180
185
187
188
190
193
195
196
Belt designation
1000
1025
1035
1050
1100
1125
1135
1200
1270
1380
1400
1420
1425
1500
1595
1690
1790
1870
1895
2000
2110
2350
2525
5MHP
5MHP•
5MHP•
5MHP
5MHP•
5MHP
5MHP•
5MHP•
5MHP•
5MHP•
5MHP•
5MHP
5MHP•
5MHP•
5MHP•
5MHP•
5MHP•
5MHP•
5MHP•
5MHP•
5MHP•
5MHP•
5MHP•
[mm]
teeth
1000.00
1025.00
1035.00
1050.00
1100.00
1125.00
1135.00
1200.00
1270.00
1380.00
1400.00
1420.00
1425.00
1500.00
1595.00
1690.00
1790.00
1870.00
1895.00
2000.00
2110.00
2350.00
2525.00
200
205
207
210
220
225
227
240
254
276
280
284
285
300
319
338
358
374
379
400
422
470
505
Order example:
25
= 25 mm belt width
PRODUCT DESCRIPTION
ht
hs
t
Profile
8M HP
t [mm]
8.0
hs [mm]
5.4
ht [mm]
3.2
Belt designation
288
352
376
416
424
480
512
520
536
560
576
584
600
608
624
632
640
656
680
712
720
760
776
784
800
824
840
848
856
880
896
912
920
960
976
8MHP•
8MHP•
8MHP•
8MHP•
8MHP
8MHP
8MHP
8MHP
8MHP•
8MHP
8MHP
8MHP•
8MHP
8MHP
8MHP•
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
[mm]
teeth
288.00
352.00
376.00
416.00
424.00
480.00
512.00
520.00
536.00
560.00
576.00
584.00
600.00
608.00
624.00
632.00
640.00
656.00
680.00
712.00
720.00
760.00
776.00
784.00
800.00
824.00
840.00
848.00
856.00
880.00
896.00
912.00
920.00
960.00
976.00
36
44
47
52
53
60
64
65
67
70
72
73
75
76
78
79
80
82
85
89
90
95
97
98
100
103
105
106
107
110
112
114
115
120
122
Belt designation
1000
1040
1056
1064
1080
1096
1120
1128
1160
1184
1200
1216
1224
1248
1256
1264
1280
1304
1328
1344
1360
1400
1424
1440
1520
1552
1584
1600
1680
1696
1728
1760
1800
1904
1936
8MHP
8MHP
8MHP•
8MHP
8MHP
8MHP•
8MHP
8MHP
8MHP
8MHP•
8MHP
8MHP
8MHP
8MHP•
8MHP
8MHP•
8MHP
8MHP
8MHP•
8MHP•
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP•
8MHP
8MHP•
8MHP
8MHP•
8MHP
8MHP
8MHP•
8MHP
[mm]
teeth
1000.00
1040.00
1056.00
1064.00
1080.00
1096.00
1120.00
1128.00
1160.00
1184.00
1200.00
1216.00
1224.00
1248.00
1256.00
1264.00
1280.00
1304.00
1328.00
1344.00
1360.00
1400.00
1424.00
1440.00
1520.00
1552.00
1584.00
1600.00
1680.00
1696.00
1728.00
1760.00
1800.00
1904.00
1936.00
125
130
132
133
135
137
140
141
145
148
150
152
153
156
157
158
160
163
166
168
170
175
178
180
190
194
198
200
210
212
216
220
225
238
242
Belt designation
2000
2080
2104
2240
2248
2272
2400
2504
2600
2800
3048
3280
3600
8MHP
8MHP•
8MHP•
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
8MHP
[mm]
teeth
2000.00
2080.00
2104.00
2240.00
2248.00
2272.00
2400.00
2504.00
2600.00
2800.00
3048.00
3280.00
3600.00
Order example:
20
= 20 mm belt width
250
260
263
280
281
284
300
313
325
350
381
410
450
PRODUCT DESCRIPTION
ht
hs
t
Profile
14M HP
t [mm]
14.0
hs [mm]
9.5
ht [mm]
5.6
Belt designation
966
1092
1190
1344
1400
1456
1512
1610
1680
1778
1890
2100
2310
2450
2590
14MHP
14MHP
14MHP
14MHP•
14MHP
14MHP•
14MHP•
14MHP
14MHP•
14MHP
14MHP
14MHP
14MHP
14MHP
14MHP
Pitch length
[mm]
Number of teeth
966.00
1092.00
1190.00
1344.00
1400.00
1456.00
1512.00
1610.00
1680.00
1778.00
1890.00
2100.00
2310.00
2450.00
2590.00
69
78
85
96
100
104
108
115
120
127
135
150
165
175
185
Belt designation
2800
3150
3360
3500
3850
4326
4578
14MHP
14MHP
14MHP
14MHP
14MHP
14MHP
14MHP
Pitch length
[mm]
Number of teeth
2800.00
3150.00
3360.00
3500.00
3850.00
4326.00
4578.00
200
225
240
250
275
309
327
Order example:
55
= 55 mm belt width
PRODUCT DESCRIPTION
optibelt OMEGA TIMING BELTS
Structure
Top layer
Tension cord
Tooth
Fabric
Fabric
The polyamide fabric protects the teeth from premature wear
and tooth root cracking. At the same time, the low coefficient of friction lowers the operating temperature and helps
to reduce the running noise.
High performance optibelt OMEGA timing belts are the
result of a continuing development process. Operational
experience with optibelt ZR and optibelt HTD has been
applied to this belt generation. Endless optibelt OMEGA
timing belts set the standard for synchronous performance
and for positioning drives.
The geometry of the optibelt OMEGA tooth profile has been
developed to run in the established, curvilinear timing belt
pulleys. optibelt OMEGA timing belts can be used in 3M,
5M, 8M and 14M HTD pulley profiles. optibelt ZRS HTD
timing belt pulleys are standard items in our range with pilot
bores or bored for optibelt TB taper bushes. In addition, all
OMEGA timing belts can also be used in RPP timing belt
pulleys. Special timing belt pulleys for optibelt OMEGA
timing belts are not required.
Top layer
The belt top layer consists of a flexible polychloroprene
compound which protects the tension cord from external
influences. In addition, it offers limited resistance to mineral
oils and humidity as well as protection from frictional wear
and tear.
Tension cord
The tension member is composed of a pair of counter
twisted glass fibre cords. These tension cords have high
tensile strength, very high flexibility and very low stretch.
Teeth
Just like the belt top layer, the teeth consist of a polychloroprene compound guaranteeing high shear strength.
The dimples in the teeth promote quiet running.
Application example: lawn mowers
• synchronous speed
• highest precision
• perceptibly lower noise level due to the optibelt OMEGA tooth profile
• use in standard HTD and RPP timing belt pulleys
• temperature resistant from –30 °C to +100 °C
• efficiency of up to 98 %
PRODUCT DESCRIPTION
ht
hs
t
Profile
2M
t [mm]
2.0
hs [mm]
1.3
ht [mm]
0.7
optibelt OMEGA 2M
Belt designation
74 2M•
90 2M•
100 2M•
104 2M•
112 2M•
118 2M•
120 2M•
124 2M•
130 2M•
140 2M•
148 2M•
158 2M•
180 2M•
184 2M•
188 2M•
192 2M•
200 2M•
208 2M•
210 2M•
216 2M•
224 2M•
232 2M•
250 2M•
256 2M•
266 2M•
274 2M•
280 2M•
288 2M•
304 2M•
308 2M•
Pitch length
[mm]
Number of teeth
74.00
90.00
100.00
104.00
112.00
118.00
120.00
124.00
130.00
140.00
148.00
158.00
180.00
184.00
188.00
192.00
200.00
208.00
210.00
216.00
224.00
232.00
250.00
256.00
266.00
274.00
280.00
288.00
304.00
308.00
37
45
50
52
56
59
60
62
65
70
74
79
90
92
94
96
100
104
105
108
112
116
125
128
133
137
140
144
152
154
Belt designation
310
314
318
328
330
336
340
368
370
386
392
406
426
448
558
560
710
930
984
1066
1224
2M•
2M•
2M•
2M•
2M•
2M•
2M•
2M•
2M•
2M•
2M•
2M•
2M•
2M•
2M•
2M•
2M•
2M•
2M•
2M•
2M•
Pitch length
[mm]
Number of teeth
310.00
314.00
318.00
328.00
330.00
336.00
340.00
368.00
370.00
386.00
392.00
406.00
426.00
448.00
558.00
560.00
710.00
930.00
984.00
1066.00
1224.00
155
157
159
164
165
168
170
184
185
193
196
203
213
224
279
280
355
465
492
533
612
Order example:
TIMING BELTS: optibelt OMEGA 180 2M 6
180= 180 mm pitch length
2M = profile
6 = 6 mm belt width
PRODUCT DESCRIPTION
ht
hs
t
Profile
3M
t [mm]
3.0
hs [mm]
2.3
ht [mm]
1.1
optibelt OMEGA 3M
Belt designation
111
117
120
123
126
129
141
144
150
156
159
165
168
171
174
177
180
183
186
192
195
201
204
207
210
213
216
219
225
237
240
243
246
249
252
3M
3M (HTD)•
3M (HTD)•
3M (HTD)•
3M (HTD)•
3M
3M
3M
3M
3M (HTD)•
3M
3M
3M
3M
3M
3M
3M
3M
3M
3M
3M
3M
3M
3M
3M
3M
3M (HTD)
3M•
3M
3M•
3M
3M (HTD)•
3M
3M•
3M
Pitch length
[mm]
Number of teeth
111.00
117.00
120.00
123.00
126.00
129.00
141.00
144.00
150.00
156.00
159.00
165.00
168.00
171.00
174.00
177.00
180.00
183.00
186.00
192.00
195.00
201.00
204.00
207.00
210.00
213.00
216.00
219.00
225.00
237.00
240.00
243.00
246.00
249.00
252.00
37
39
40
41
42
43
47
48
50
52
53
55
56
57
58
59
60
61
62
64
65
67
68
69
70
71
72
73
75
79
80
81
82
83
84
Belt designation
255
267
276
282
285
288
291
294
300
306
312
315
318
330
333
336
339
345
357
363
366
384
390
411
420
426
435
447
462
474
477
480
486
489
495
3M
3M
3M
3M•
3M
3M
3M
3M
3M
3M (HTD)•
3M
3M
3M
3M
3M
3M (HTD)
3M
3M
3M
3M
3M
3M
3M
3M
3M
3M
3M•
3M
3M
3M
3M (HTD)•
3M
3M
3M (HTD)•
3M
Pitch length
[mm]
Number of teeth
255.00
267.00
276.00
282.00
285.00
288.00
291.00
294.00
300.00
306.00
312.00
315.00
318.00
330.00
333.00
336.00
339.00
345.00
357.00
363.00
366.00
384.00
390.00
411.00
420.00
426.00
435.00
447.00
462.00
474.00
477.00
480.00
486.00
489.00
495.00
85
89
92
94
95
96
97
98
100
102
104
105
106
110
111
112
113
115
119
121
122
128
130
137
140
142
145
149
154
158
159
160
162
163
165
Order example:
3M = profile
15 = 15 mm belt width
PRODUCT DESCRIPTION
hs
ht
t
Profile
3M
t [mm]
3.0
hs [mm]
2.3
ht [mm]
1.1
optibelt OMEGA 3M
Belt designation
Pitch length
[mm]
Number of teeth
501 3M
513 3M
519 3M
522 3M
525 3M
531 3M
537 3M
558 3M
564 3M
570 3M
582 3M
591 3M (HTD)•
594 3M (HTD)•
597 3M
600 3M
606 3M
612 3M (HTD)•
615 3M
633 3M
648 3M (HTD)•
669 3M
672 3M (HTD)•
675 3M
708 3M (HTD)•
711 3M
738 3M
753 3M (HTD)
804 3M
816 3M
843 3M
882 3M
888 3M
945 3M (HTD)
960 3M (HTD)•
1041 3M (HTD)•
501.00
513.00
519.00
522.00
525.00
531.00
537.00
558.00
564.00
570.00
582.00
591.00
594.00
597.00
600.00
606.00
612.00
615.00
633.00
648.00
669.00
672.00
675.00
708.00
711.00
738.00
753.00
804.00
816.00
843.00
882.00
888.00
945.00
960.00
1041.00
167
171
173
174
175
177
179
186
188
190
194
197
198
199
200
202
204
205
211
216
223
224
225
236
237
246
251
268
272
281
294
296
315
320
347
Belt designation
1062
1068
1071
1125
1176
1245
1263
1500
1530
1569
1587
1692
1863
3M
3M (HTD)•
3M (HTD)
3M (HTD)•
3M (HTD)•
3M (HTD)•
3M (HTD)
3M (HTD)•
3M (HTD)•
3M
3M•
3M•
3M (HTD)
Pitch length
[mm]
Number of teeth
1062.00
1068.00
1071.00
1125.00
1176.00
1245.00
1263.00
1500.00
1530.00
1569.00
1587.00
1692.00
1863.00
354
356
357
375
392
415
421
500
510
523
529
564
621
Order example:
3M = profile
PRODUCT DESCRIPTION
Profile
ht
hs
t
5M
t [mm]
5.0
hs [mm]
3.4
ht [mm]
1.9
W
T
Profile
D5M
W
1.143
T
5.258
optibelt OMEGA 5M
Belt designation
120 5M (HTD)
180 5M
225 5M
255 5M
265 5M
270 5M
275 5M
280 5M
295 5M
300 5M
305 5M
325 5M
330 5M
340 5M
345 5M (HTD)
350 5M
360 5M
365 5M
370 5M
375 5M
385 5M
400 5M
415 5M
420 5M
425 5M
450 5M
460 5M
475 5M
490 5M
500 5M
520 5M
525 5M
535 5M
540 5M
550 5M
Pitch length
[mm]
Number of teeth
120.00
180.00
225.00
255.00
265.00
270.00
275.00
280.00
295.00
300.00
305.00
325.00
330.00
340.00
345.00
350.00
360.00
365.00
370.00
375.00
385.00
400.00
415.00
420.00
425.00
450.00
460.00
475.00
490.00
500.00
520.00
525.00
535.00
540.00
550.00
24
36
45
51
53
54
55
56
59
60
61
65
66
68
69
70
72
73
74
75
77
80
83
84
85
90
92
95
98
100
104
105
107
108
110
Belt designation
560
565
575
580
600
610
615
620
625
630
635
640
645
650
655
665
670
700
710
720
740
745
750
755
775
790
800
810
825
830
835
845
850
860
870
Pitch length
[mm]
5M
560.00
5Ms565.00
5M
575.00
5M
580.00
5Ms600.00
5M
610.00
5Ms615.00
5M
620.00
5M
625.00
5Ms630.00
5Ms635.00
5M
640.00
5M
645.00
5M
650.00
5M
655.00
5Ms665.00
5M
670.00
5Ms700.00
5Ms710.00
5M
720.00
s
5M 740.00
5M•
745.00
5M
750.00
5Ms755.00
5M
775.00
5M
790.00
5Ms800.00
5M•
810.00
5M
825.00
5M
830.00
5Ms835.00
5M•
845.00
5M
850.00
5M
860.00
5M•
870.00
s Double-sided available in HTD
Order example:
Number of teeth
5M = profile
112
113
115
116
120
122
123
124
125
126
127
128
129
130
131
133
134
140
142
144
148
149
150
151
155
158
160
162
165
166
167
169
170
172
174
PRODUCT DESCRIPTION
Profile
ht
hs
t
5M
t [mm]
5.0
hs [mm]
3.4
ht [mm]
1.9
W
T
Profile
D5M
W
1.143
T
5.258
optibelt OMEGA 5M
Belt designation
890
900
920
925
935
940
950
960
965
975
980
985
1000
1025
1035
1050
1100
1125
1135
1200
1270
1350
1380
1400
1420
1425
1500
1595
1690
1790
1800
1870
1895
2000
2110
Pitch length
[mm]
Number of teeth
5Ms890.00
5Ms900.00
5M•
920.00
5M
925.00
5M
935.00
5M
940.00
5M
950.00
5M•
960.00
5M
965.00
5M
975.00
5M
980.00
5M•
985.00
5Ms1000.00
5M
1025.00
5M
1035.00
5Ms1050.00
5M
1100.00
5Ms1125.00
5M
1135.00
5Ms1200.00
5M
1270.00
5M•
1350.00
5M
1380.00
5M
1400.00
5M
1420.00
5M
1425.00
5M
1500.00
5M
1595.00
5M
1690.00
5M
1790.00
5M
1800.00
5M
1870.00
5M
1895.00
5M
2000.00
5M
2110.00
178
180
184
185
187
188
190
192
193
195
196
197
200
205
207
210
220
225
227
240
254
270
276
280
284
285
300
319
338
358
360
374
379
400
422
Belt designation
Pitch length
[mm]
Number of teeth
2250 5M
2350 5M
2525 5M
2250.00
2350.00
2525.00
450
470
505
s Double-sided available in HTD
Order example:
5M = profile
PRODUCT DESCRIPTION
Profile
ht
hs
t
8M
t [mm]
8.0
hs [mm]
5.4
ht [mm]
3.2
W
T
Profile
D8M
W
1.372
T
7.730
optibelt OMEGA 8M
Belt designation
288
320
352
376
416
424
480
512
520
536
560
576
584
600
608
624
632
640
656
672
680
712
720
744
760
776
784
792
800
824
840
848
856
880
896
[mm]
teeth
8M
8M (HTD)
8M
8M
8M
8M
8M
8M
8M
8M
8M
8M
8M
8Ms
8M
8M
8M
8Ms
8Ms
8M•
8M
8M
8Ms
8M•
8M
8Ms
8Ms
8M•
8Ms
8M
8M
8M
8M
8Ms
8M
s
288.00
36
320.00
40
352.00
44
376.00
47
416.00
52
424.00
53
480.00
60
512.00
64
520.00
65
536.00
67
560.00
70
576.00
72
584.00
73
600.0075
608.00
76
624.00
78
632.00
79
640.0080
656.0082
672.00
84
680.00
85
712.00
89
720.0090
744.00
93
760.00
95
776.0097
784.0098
792.00
99
800.00100
824.00
103
840.00
105
848.00
106
856.00
107
880.00110
896.00
112
Belt designation
912
920
936
960
968
976
1000
1040
1056
1064
1080
1096
1120
1128
1152
1160
1168
1184
1192
1200
1216
1224
1248
1256
1264
1280
1296
1304
1320
1328
1344
1360
1392
1400
1424
8M
912.00
114
8Ms 920.00115
8M
936.00
117
8Ms 960.00120
8M
968.00
121
8M
976.00
122
8M
1000.00
125
8Ms1040.00 130
8M
1056.00
132
8M
1064.00
133
8M
1080.00
135
8M
1096.00
137
8Mn1120.00 140
8Mn1128.00 141
8M•
1152.00
144
8Mn1160.00 145
8M
1168.00
146
8Mn1184.00 148
8M•
1192.00
149
8Mn1200.00 150
8Mn1216.00 152
8Mn1224.00 153
8Mn1248.00 156
8Mn1256.00 157
8M•n1264.00 158
8Mn1280.00 160
8M•
1296.00
162
8Mn1304.00 163
8M
1320.00
165
8Mn1328.00 166
8Mn1344.00 168
8M
1360.00
170
8M
1392.00
174
8Mn1400.00 175
8Mn1424.00 178
Belt designation
1432
1440
1480
1520
1552
1584
1600
1680
1696
1728
1760
1800
1896
1904
1936
2000
2080
2104
2240
2248
2272
2400
2504
2600
2800
3048
3280
3600
4400
8M (HTD)
8Mn
8M
8Mn
8Mn
8Mn
8Mn
8Mn
8M
8Mn
8Mn
8Mn
8M
8Mn
8Mn
8Mn
8Mn
8Mn
8Mn
8Mn
8Mn
8Mn
8Mn
8Mn
8Mn
8M
8Mn
8Mn
8M∗•
[mm]
teeth
1432.00
179
1440.00180
1480.00
185
1520.00190
1552.00194
1584.00198
1600.00200
1680.00210
1696.00
212
1728.00216
1760.00220
1800.00225
1896.00
237
1904.00238
1936.00242
2000.00250
2080.00260
2104.00263
2240.00280
2248.00281
2272.00284
2400.00300
2504.00313
2600.00325
2800.00350
3048.00
381
3280.00410
3600.00450
4400.00
550
Double-sided available in HTD n Double-sided available in OMEGA on request ∗ Profile on request
Order example:
26 Pitch length Number of
[mm]
teeth
© Arntz OPTIBELT Group, Germany
8M = profile
PRODUCT DESCRIPTION
Profile
ht
hs
t
14M
t [mm]
14.0
hs [mm]
9.5
ht [mm]
5.6
W
T
Profile
D14M
W
2.794
T
14.050
optibelt OMEGA 14M
Belt designation
966
1092
1190
1344
1400
1456
1512
1610
1680
1778
1890
2100
2310
2450
2590
Pitch length
[mm]
Number of teeth
14Ms966.00
14M
1092.00
14Ms1190.00
14M
1344.00
14Ms1400.00
14M
1456.00
14M
1512.00
14Ms1610.00
14M
1680.00
14Ms1778.00
14Ms1890.00
14Ms2100.00
14Ms2310.00
14M
2450.00
14M
2590.00
69
78
85
96
100
104
108
115
120
127
135
150
165
175
185
Belt designation
2800
3150
3360
3500
3850
4004
4326
4578
14M
14M
14M
14M
14M
14M∗•
14M
14M
Pitch length
[mm]
Number of teeth
2800.00
3150.00
3360.00
3500.00
3850.00
4004.00
4326.00
4578.00
200
225
240
250
275
286
309
327
s Double-sided available in HTD ∗ Profile on request
Order example:
14M = profile
PRODUCT DESCRIPTION
optibelt ZR TIMING BELTS
ISO 5296
Structure
Belt layer
Tension cord
Tooth
Fabric
Fabric
In order to obtain a low level of wear on the running
surfaces as well as achieving a high level of tooth shear
strength, a tough, wear resistant fabric is applied to the
outer tooth surface.
Tooth pitch, designations
optibelt ZR timing belts are manufactured according to
ISO 5296, timing belt pulleys according to ISO 5294.
Both come in six standard profiles.
Due to the American origin of the timing belt profile, the
length unit is “in” for inch. The width/length codes have thus
been derived from the imperial (inch) measurements of
widths and lengths.
Table 1: Belt profiles and tooth pitch
Profile
Top layer
A flexible belt backing embeds the tension element and
supports it against the reverse idlers. The top layer consists
of a flexible high quality chloroprene compound. This
protects the tension cord from oil, humidity, friction and
wear and tear.
This top layer has some inherent resistance to mineral oils,
but not to vegetable oils and water soluble cooling and
cutting oils.
Tension cord
The tension cord is a continuous, spirally wound glass fibre.
This material has a high tensile strength and is extremely
flexible. The low-stretch properties of the tension cord ensure
that the pitch of the belt corresponds to the pitch of the
pulley – even when under strain.
Teeth
The teeth are made of a shear and wear resistant rubber
compound vulcanised to form a unit with the belt back. The
shape and arrangement of the teeth are such that the pulley
engages the belt teeth precisely and with minimum friction.
As long as six teeth or more are in mesh on the small pulley,
the complete capacity of the timing belt can be used without
any deduction.
Tooth pitch t
[mm]
[inches]
MXL
2.032
0.080 or 2/25
XL
5.080
0.200 or 1/5
L
9.525
0.375 or 3/8
H
12.700
0.500 or 1/2
XH
22.225
0.875 or 7/8
XXH
31.750
1.250 or 11/4
Tooth pitch is the distance from the centre of one tooth to the
centre of the next measured at the pitch line, which corresponds with the level of the tension cord. The pitch or datum
diameter of the pulley is a theoretical dimension which lies
outside the outer diameter.
PRODUCT DESCRIPTION
ISO 5296
Nominal size
Table 3: Width tolerances for optibelt ZR timing belts
according to ISO 5296
Profile
β
β
Standard
width
Allowed deviation of width
for belt pitch lengths
Over
Up to
838.20 mm
Over
Dimenup to
1676.40 mm
sion Width 838.20 mm
code
1676.40 mm
[mm]
hs
rr
ht
ra
XL
L
H
XH XXH
40
50
40
40
40
40
Tooth height ht[mm] 0.51 1.27 1.91 2.29
6.35
9.53
Foot radius rr [mm] 0.13 0.38 0.51 1.02
1.57
Tooth angle 2β [°]
Head radius ra[mm] 0.13 0.38 0.51 1.02
+ 0.5
– 0.8
—
—
XL
6.4 025
7.9 031
9.5 037
+ 0.5
– 0.8
+ 0.5
– 0.8
—
12.7 050
19.1 075
25.4 100
+ 0.8
– 0.8
+ 0.8
– 1.3
+ 0.8
– 1.2
19.1 075
25.4 100
38.1 150
+ 0.8
– 0.8
+ 0.8
– 1.3
+ 0.8
– 1.3
50.8 200
+ 0.8
– 1.3
+ 1.3
– 1.3
+ 1.3
– 1.5
76.2 300
+ 1.3
– 1.5
+ 1.5
– 1.5
+ 1.5
– 2.0
50.8 200
76.2 300
101.6 400
+ 4.8
– 4.8
+ 4.8
– 4.8
+ 4.8
– 4.8
+ 4.8
– 4.8
+ 4.8
– 4.8
+ 4.8
– 4.8
2.29
1.52
Tooth width s [mm] 1.14 2.57 4.65 6.12 12.57 19.05
Overall belt
thickness hs
[mm]
1.2
2.3
3.6
4.0
L
H
1.19
11.2
[mm]
3.2 012
4.8 019
6.4 025
Table 2: Profile dimensions
MXL
[mm]
MXL
s
Profile
[mm]
15.7
XH
50.8
76.2
XXH
101.6
127.0
200
300
400
500
Weight per metre
Profile
kg/m per
1 mm width
MXL
XL
L
H
XH
XXH
0.0012
0,0021
0.0035
0.0041
0.0110
0.0147
PRODUCT DESCRIPTION
STANDARD PROPERTIES / SPECIAL DESIGNS
All optibelt ZR timing belts are oil-, heat- and cold-resistant
as standard. Special labelling is not required.
Oil resistance
The inherent oil resistance prevents the damaging effects of
mineral oils and greases, as long as these substances are
not in permanent contact with the timing belt and / or are
not present in large quantities With increased demands for
resistance, e.g. to mineral oils, the performance of the
optibelt ZR timing belts can be improved by using special
constructions. Please contact the optibelt Application
Engineering Department for more details.
Further special constructions
optibelt ZR timing belts with reinforced top
surfaces
If the timing belt is to be used for the conveyance of various
goods, we recommend using optibelt ZR timing belts with
reinforced top surfaces.
Please give the required overall thickness (hs) of the belt
when ordering.
Temperature resistance
The timing belt can withstand ambient temperatures from
≈ –30 °C to +100 °C. Temperatures outside this range lead
to premature ageing and embrittlement of the timing belts
and thus to their premature failure. The temperature resistance of Optibelt ZR timing belts can be extended using
special constructions, e.g. up to +140 °C. Please contact the
Optibelt Application Engineering Department for more
details.
Anti-static properties
Anti-static properties enable the safe discharge of electrostatic charges. This charging can have such a strong impact
on timing belts with insufficient electrical conductivity that
there is the danger of ignition due to sparks. The use of
anti-static timing belts requires that the properties be
checked in accordance with ISO 9563 and is confirmed by
the issue of an inspection certificate.
optibelt ZR timing belts with ground top surfaces
When using back bend idlers, especially when dealing with
high belt speeds and vibration, we recommend optibelt ZR
timing belts with ground top surfaces. Available grinding
tolerances are given in the following table 4:
Table 4: optibelt ZR timing belts according to ISO 5296
Profile
optibelt ZR timing belts with angled sides
optibelt ZR timing belts with angled sides can be customised
for special applications.
Special lengths, widths, tooth pitch or open-ended versions
of optibelt ZR timing belts and the minimum order quantities
are available on request.
Possible combinations
optibelt ZR timing belts with standard or special compounds
can be combined with other special designs. However, the
individual properties of the special compounds cannot be
combined with each other. For example, the properties of
an extra heat-resistant belt cannot be combined with those
of an antistatic belt.
Overall belt thickness hs [mm]
Standard
design
Quality class
G1
Quality class
G2
MXL
1.20
± 0.25
1.20
± 0.13
(≥ 80 MXL)
1.20
± 0.25
(≥ 80 MXL)
XL
2.30
± 0.25
2.30
± 0.13
2.30
± 0.25
L
3.60
± 0.25
3.60
± 0.13
3.60
± 0.25
H
4.00
± 0.25
4.00
± 0.13
4.00
± 0.25
XH
11.20
± 0.65
—
11.20
± 0.25
XXH
15.70
± 0.65
—
15.70
± 0.25
PRODUCT DESCRIPTION
optibelt OMEGA linear and optibelt ZR linear
optibelt OMEGA HP LINEAR/
optibelt OMEGA LINEAR
optibelt OMEGA LINEAR timing belts are open-ended timing
belts with glass cord manufactured from sleeves in a spiral
cut method.
• high level of tensile strength
• low stretch
• high positioning accuracy
• lower noise level than optibelt HTD, optibelt ZR and
polyurethane timing belts.
• maximum angle misalignment of 0.67° (depending on
width)
• for medium and high loads
• based on ISO 13050
• standard roll length 30 m
• also available in profiles S5M and S8M
ht
hs
t
Profiles: 3M, 5M, 8M
Standard product range;
Profile, width
OMEGA 3M 9
OMEGA 5M 10, 5M 15, 5M 25
OMEGA 8M 10, 8M 15, 8M 20, 8M 25, 8M 30
OMEGA HP 3M 9
OMEGA HP 5M 10, 5M 15, 5M 25
OMEGA HP 8
M 10, 8M 15, 8M 20, 8M 25, 8M 30
Special designs
• antistatic according to ISO 9563
• improved oil resistance
• extended temperature range
optibelt ZR LINEAR
optibelt ZR linear timing belts with trapezoidal profile are
manufactured from sleeves in a spiral cut method. These
open-ended timing belts are reinforced with glass cord.
• high level of tensile strength
• maximum angle misalignment of 0.67° (depending on
width)
• established worldwide
• for low levels of strain
• section standardised: ISO 5296 / ISO 5294
• standard roll length: 30 m
hs
t
Profiles: MXL, XL, L, H
Standard product range;
profile, width
MXL 025
XL 025, XL 037, XL 050
L 050, L 075, L 100
H 050, H 075, H 100
PRODUCT DESCRIPTION
ISO 5296
hs
t
Profile
MXL
XL
L
hs [mm]
t [mm]
H
1.2
2.3
3.6
2.032
5.08
9.525
4.3
12.7
Profile MXL
Belt
designation
Pitch
length
[mm]
Number
of teeth
264 MXL• 67.06 33
360 MXL 91.44 45
432 MXL• 109.73 54
440 MXL 111.76 55
448 MXL• 113.79 56
456 MXL• 115.82 57
464 MXL• 117.86 58
480 MXL 121.92 60
488 MXL• 123.95 61
536 MXL• 136.14 67
544 MXL• 138.18 68
560 MXL• 142.24 70
568 MXL• 144.27 71
576 MXL• 146.30 72
600 MXL• 152.40 75
608 MXL• 154.43 76
632 MXL• 160.53 79
640 MXL 162.56 80
656 MXL• 166.62 82
664 MXL• 168.66 83
672 MXL• 170.69 84
680 MXL• 172.72 85
704 MXL• 178.82 88
720 MXL• 182.88 90
728 MXL• 184.91 91
736 MXL• 186.94 92
752 MXL• 191.01 94
760 MXL• 193.04 95
776 MXL• 197.10 97
800 MXL• 203.20 100
Belt
designation
Pitch
length
[mm]
808 MXL• 205.23
816 MXL• 207.26
824 MXL• 209.30
840 MXL• 213.36
848 MXL• 215.39
856 MXL• 217.42
864 MXL• 219.46
880 MXL 223.52
896 MXL• 227.58
904 MXL• 229.62
912 MXL• 231.65
920 MXL• 233.68
960 MXL• 243.84
976 MXL• 247.90
984 MXL• 249.94
1000 MXL• 254.00
1008 MXL• 256.03
1040 MXL• 264.16
1056 MXL• 268.22
1072 MXL• 272.29
1080 MXL• 274.32
1112 MXL• 282.45
1120 MXL 284.48
1136 MXL• 288.54
1176 MXL• 298.70
1184 MXL• 300.74
1200 MXL• 304.80
1224 MXL• 310.90
1272 MXL• 323.09
1280 MXL• 325.12
XH
11.2
XXH
15.7
22.225 31.75
Profile XL
Number
Belt
of teeth designation
101
102
103
105
106
107
108
110
112
113
114
115
120
122
123
125
126
130
132
134
135
139
140
142
147
148
150
153
159
160
Pitch
length
[mm]
1320 MXL• 335.28
1360 MXL• 345.44
1400 MXL 355.60
1440 MXL• 365.76
1472 MXL• 373.89
1520 MXL• 386.08
1560 MXL• 396.24
1600 MXL• 406.40
1768 MXL• 449.07
1800 MXL• 457.20
1888 MXL• 479.55
1984 MXL• 503.94
1992 MXL• 505.97
2008 MXL• 510.03
2048 MXL• 520.19
2144 MXL• 544.58
2240 MXL• 568.96
2384 MXL• 605.54
2480 MXL• 629.92
2520 MXL• 640.08
2680 MXL• 680.72
2776 MXL• 705.10
2880 MXL• 731.52
2920 MXL• 741.68
3200 MXL• 812.80
3472 MXL• 881.89
3624 MXL• 920.50
3704 MXL• 940.82
3984 MXL•1011.94
4040 MXL•1026.16
Number
of teeth
165
170
175
180
184
190
195
200
221
225
236
248
249
251
256
268
280
298
310
315
335
347
360
365
400
434
453
463
498
505
Belt
designation
60
70
80
86
88
90
92
94
96
98
100
102
106
108
110
112
116
118
120
124
126
128
130
134
136
138
140
142
148
150
Pitch
length
[mm]
Number
of teeth
XL
152.40 30
XL
177.80 35
XL
203.20 40
XL• 218.44 43
XL
223.52 44
XL
228.60 45
XL• 233.68 46
XL• 238.76 47
XL• 243.84 48
XL• 248.92 49
XL
254.00 50
XL
259.08 51
XL
269.24 53
XL• 274.32 54
XL
279.40 55
XL• 284.48 56
XL
294.64 58
XL• 299.72 59
XL
304.80 60
XL• 314.96 62
XL
320.04 63
XL
325.12 64
XL
330.20 65
XL
340.36 67
XL
345.44 68
XL• 350.52 69
XL
355.60 70
XL
360.68 71
XL• 375.92 74
XLs381.0075
The sizes marked s are also available as double-sided timing belts.
Profiles and dimensions see page 34.
Standard width Width code
3.2 mm
012
4.8 mm
019
6.4 mm
025
6.4 mm
025
7.9 mm
031
9.5 mm
037
12.7 mm
050
19.1 mm
075
25.4 mm
100
• Not available ex stock Further sizes on request
PRODUCT DESCRIPTION
ISO 5296
hs
t
Profile
MXL
XL
L
hs [mm]
t [mm]
1.2
2.3
3.6
2.032
5.08
9.525
Profile XL
Belt
designation
156
160
162
166
168
170
174
176
178
180
182
184
188
190
192
194
196
200
210
220
230
240
244
248
250
260
270
272
274
280
Pitch
length
[mm]
286
290
296
300
306
310
316
320
322
330
340
344
350
360
380
382
388
390
392
412
414
432
434
438
460
498
506
514
580
630
XH
4.3
12.7
11.2
XXH
15.7
22.225 31.75
Profile L
Number
Belt
XL
396.24 78
XLs406.40 80
XL• 411.48 81
XL
421.64 83
XL• 426.72 84
XLs431.80 85
XL• 441.96 87
XL
447.04 88
XL• 452.12 89
XLs457.20 90
XL
462.28 91
XL• 467.36 92
XL• 477.52 94
XLs482.60 95
XL• 487.68 96
XL
492.76 97
XL
497.84 98
XLs 508.00100
XLs 533.40105
XLs 558.80110
XLs 584.20115
XLs 609.60120
XL• 619.76 122
XL• 629.92 124
XLs 635.00125
XLs 660.40130
XL
685.80 135
XL• 690.88 136
XL• 695.96 137
XLs 711.20140
H
Pitch
length
[mm]
Number
Belt
XL• 726.44 143
XL
736.60 145
XL• 751.84 148
XLs 762.00150
XL• 777.24 153
XLs 787.40155
XL
802.64 158
XL
812.80 160
XL
817.88 161
XL
838.20 165
XL• 863.60 170
XL• 873.76 172
XL• 889.00 175
XL
914.40 180
XL
965.20 190
XL• 970.28 191
XL• 985.52 194
XL
990.60 195
XL• 995.68 196
XL 1046.48 206
XL 1051.56 207
XL 1097.28 216
XL 1102.36 217
XL• 1112.52 219
XL 1168.40 230
XL• 1264.92 249
XL• 1285.24 253
XL 1305.56 257
XL• 1473.20 290
XL• 1600.20 315
109
124
150
165
169
173
187
202
210
225
232
236
240
255
259
263
270
285
300
322
345
360
367
375
390
405
420
424
427
435
Pitch
length
[mm]
Number
Belt
L
276.23 29
L
314.33 33
L
381.00 40
L
419.10 44
L
428.63 45
L
438.15 46
Ls 476.2550
L
514.35 54
Ls 533.4056
Ls 571.5060
L
590.55 62
L
600.08 63
Ls 609.6064
Ls 647.7068
L• 657.23 69
L• 666.75 70
Ls 685.8072
Ls 723.9076
Ls 762.0080
Ls 819.1586
Ls 876.3092
L
914.40 96
Ls 933.4598
L
952.50 100
Ls 990.60104
L 1028.70 108
Ls 1066.80112
L• 1076.33 113
L• 1085.85 114
L 1104.90 116
439
450
454
480
510
525
540
600
630
660
817
Pitch
length
[mm]
Number
of teeth
L 1114.43 117
Ls 1143.00120
L 1152.53 121
Ls 1219.20128
Ls 1295.40136
L 1333.50 140
Ls 1371.60144
Ls 1524.00160
L 1600.20 168
L 1676.40 176
L 2075.18 218
The sizes marked s are also available as double-sided timing belts.
Profiles and dimensions see page 34.
6.4 mm
025
7.9 mm
031
9.5 mm
037
12.7 mm
050
19.1 mm
075
25.4 mm
100
12.7 mm
050
19.1 mm
075
25.4 mm
100
38.1 mm
150
50.8 mm
200
76.2 mm
300
• Not available ex stock Further sizes on request
PRODUCT DESCRIPTION
optibelt ZR DOUBLE-SIDED TIMING BELTS
ISO 5296
Profile s
W
T
230
240
255
270
280
300
310
315
320
330
335
340
350
360
370
375
390
400
410
420
430
450
465
480
490
510
520
530
540
560
Pitch
length
[mm]
570
580
600
630
650
660
670
680
700
720
730
750
770
800
810
820
850
860
900
950
1000
1100
1120
1140
1150
1250
1400
1700
Pitch
length
[mm]
T [mm]
3.048 ± 0.178 4.572 ± 0.254 5.944 ± 0.127
Number
Belt
Hs1447.80
H 1473.20
Hs1524.00
Hs1600.20
H 1651.00
Hs1676.40
H 1701.80
H 1727.20
Hs1778.00
H 1828.80
H 1854.20
Hs1905.00
H 1955.80
Hs2032.00
H 2057.40
H 2082.80
Hs2159.00
H 2184.40
Hs2286.00
H 2413.00
Hs2540.00
Hs2794.00
H 2844.80
H 2895.60
H 2921.00
Hs3175.00
Hs3556.00
Hs4318.00
The sizes marked
19.1 mm
075
25.4 mm
100
38.1 mm
150
50.8 mm
200
76.2 mm
300
s
114
116
120
126
130
132
134
136
140
144
146
150
154
160
162
164
170
172
180
190
200
220
224
228
230
250
280
340
DH
0.508 ± 0.127 0.762 ± 0.127 1.372 ± 0.127
Profile XH
Number
Belt
H
584.20 46
Hs609.60 48
H
647.70 51
Hs685.80 54
H
711.20 56
Hs762.00 60
H
787.40 62
H
800.10 63
H
812.80 64
Hs838.20 66
H
850.90 67
H
863.60 68
H
889.00 70
Hs914.40 72
H
939.80 74
H
952.50 75
Hs990.60 78
H 1016.00 80
H 1041.40 82
Hs1066.80 84
H 1092.20 86
Hs1143.00 90
H 1181.10 93
Hs1219.20 96
H 1244.60 98
Hs1295.40 102
H 1320.80 104
H 1346.20 106
Hs1371.60 108
H 1422.40 112
DL
W [mm]
Profile H
Belt
designation
DXL
507
560
630
700
770
840
980
1120
1260
1400
1540
1750
XH
XH
XH
XH
XH
XH
XH
XH
XH
XH
XH
XH
Pitch
length
[mm]
1289.05
1422.40
1600.20
1778.00
1955.80
2133.60
2489.20
2844.80
3200.40
3556.00
3911.60
4445.00
Profile XXH
Number
Belt
58
64
72
80
88
96
112
128
144
160
176
200
700
800
900
1000
1200
1400
1600
1800
Pitch
length
[mm]
Number
of teeth
XXH1778.00 56
XXH2032.00 64
XXH2286.00 72
XXH2540.00 80
XXH3048.00 96
XXH3556.00 112
XXH4064.00 128
XXH4572.00 144
are also available as double-sided timing belts.
50.8 mm
200
76.2 mm
300
101.6 mm
400
127.0 mm
500
50.8 mm
200
76.2 mm
300
101.6 mm
400
127.0 mm
500
Further sizes on request.
DRIVE DESIGN
EXPLANATION OF SYMBOLS
a
= Drive centre anom =Drive centre distance with
standard belt length [mm]
[mm]
P
= Power to be transmitted by timing belt drive [kW]
P B
= Design power [kW]
P N
= Rated power [kW]
P Ü
=Transmissible power for standard
belt width [PN · c1 · c7]
[kW]
= Overall load factor
S a
= Minimum static shaft force when stationary = Speed ratio correction factor
Sn zul = Maximum allowed circumferential force [N]
c 6
= Fatigue correction factor
c 7
= Belt length correction factor
Sn3 =Circumferential force to be effectively
transmitted [N]
d a
= Outside diameter of pulley [mm]
d w
= Pitch diameter of pulley [mm]
dwg = Pitch diameter of large pulley [mm]
dwk = Pitch diameter of small pulley [mm]
dw1 = Pitch diameter of driving pulley [mm]
dw2 = Pitch diameter of driven pulley [mm]
E a
= Belt deflection for given span length [mm]
F
= Force to create deflection
f
= Frequency i
= Speed ratio
L
= Drive span length c 0
= Basic load factor
c 1
=Teeth in mesh factor
c 2
c 3
[N]
[Hz]
[mm]
LwSt = Standard pitch length of timing belt [mm]
Lwth = Calculated pitch length of timing belt [mm]
n1
= Speed of driving pulley [min‑1]
n 2
= Speed of driven pulley [min‑1]
[N]
S n
=Effective circumferential force
to be transmitted incl. actual centrifugal force [N]
t
= Tooth pitch [mm]
v
= Belt speed [m/s]
x
=Minimum adjustment of drive centre distance
anom for tensioning timing belt [mm]
y
=Minimum adjustment of drive centre distance
anom for installation [mm]
z e
=Number of teeth in mesh of small pulley
z g
=Number of teeth on large pulley
z k
=Number of teeth on small pulley
z r
=Number of teeth on timing belt
z 1
=Number of teeth on driving pulley
z 2
=Number of teeth on driven pulley
DRIVE DESIGN
GUIDELINES FOR SELECTING THE TIMING BELT PROFILE
6000
4000
4000
3000
3000
2000
2000
1000
1000
800
800
600
600
400
400
A8
M
A1
4M
HL
HL
6000
OM
OM
tib
tib
op
100
100
80
80
40
40
30
30
20
20
10
0.2
0.4
0.8
0.1
2
1
4
8
20
40
10
Design power PB = P · c2 [kW]
36 200
elt
elt
200
300
EG
EG
300
80
100
200
400
800
1000
10
Speed of the small pulley nk [min-1]
Also see
optibelt CAP drive calculation
software at www.optibelt.com
op
Diagram 1
DRIVE DESIGN
optibelt OMEGA HP, optibelt OMEGA FAN POWER TIMING BELTS
Diagram 2
Also see
14000
10000
10000
8000
8000
6000
6000
HP
14000
3000
OM
EG
3000
elt
2000
FP
800
M
R1
4
HP
AF
AN
POWE
600
A1
4M
400
EG
EG
200
op
tib
elt
OM
OM
elt
tib
op
300
100
100
80
80
40
40
30
30
20
20
10
0.1
0.2
0.4
0.8
1
2
4
8
20
FP
HP
AF
AN
POWE
EG
OM
OM
tib
200
op
op
tib
elt
300
elt
400
EG
tib
elt
600
A8
M
OM
EG
800
1000
R8
M
HP
A5
M
1000
op
op
tib
2000
4000
A3
M
4000
40
10
80
100
200
400
800
1000
10
DRIVE DESIGN
Diagram 3
EG
A8
M
tib
op
EG
OM
op
tib
elt
op
tib
elt
A1
4M
OM
EG
0.1
0.2
0.4 0.6 1 2 3 4 6 8 10 20 40 60 100 200 400 700 1,000
OM
elt
op
tib
elt
A5
M
OM
EG
op
tib
A3
M
elt
OM
EG
A2
M
Also see
DRIVE DESIGN
Diagram 4
Please also use software:
and data optibelt CAD 2D / 3D
online at: www.optibelt.com
20000
10000
5000
Speed of the small pulley [min-1]
3000
2000
1500
1000
900
800
700
600
500
400
300
200
150
100
0.01 0.020.030.05 0.1
0.2 0.3 0.5
1
2 3
5
10
20 30 50
100
200 300 500
DRIVE DESIGN
LOAD FACTORS
Total load factor c2
The total load factor c2 is comprised of the basic load factor
c0 plus two further loads c3 and c6.
c2 = c0 + c3 + c6
c2 ≥ MA/MN recommended for frequent starts and stops
Table 5
Basic load factor c0
Basic load factor c0
The basic load factor c0 takes into account the daily operating time, the type of drive and the prime mover. As it is
almost impossible to put all the possible combinations of
prime mover / driven unit / environmental conditions in a
shortened form which conforms to standards, the service
factors shown here are given only as a guideline. The
classification of the work machine is dependent on the
respective present load type.
Load type and examples for drive machines
Continuous running
Non-continuous running
Electric motor
Turbine running at high speed
Reciprocating engine with higher
quantity of cylinders
Hydraulic motor
Turbine running at low speed
Reciprocating engine with lower
quantity of cylinders
Basic load factor c0 with daily operation times
Load type and examples
for work machines
up to 16 h
up to 16 h
up to 16 h
over 16 h
Light drives. shock-free with smooth
running characteristics
Measurement devices
Film cameras
Office machines
Conveyor systems (light goods)
1.3
1.4
1.4
1.5
Medium drives. operation with smaller
to medium intermittent shock strain
Mixing machines
Kitchen machines
Printing shop machines
Textile machines
Packaging machines
Conveyor systems (heavy goods)
1.6
1.7
1.8
1.9
1.8
1.9
2.0
2.1
2.0
2.1
2.2
2.3
Heavy drives. operation with medium
to high intermittent shock strain
Tool machines
Wood processing machines
Eccentric drives
Conveyor systems (heavy goods)
Extremely heavy drives. operation
with high constant shock strain
Mills
Calendars
Extruders
Piston pumps/compressors
Lifting appliances
DRIVE DESIGN
Additional Factors
Speed correction factor c3
For speed increasing drives, a factor corresponding to the
speed ratio is added to the basic load factor c0.
Table 6
Speed correction
i
1.00–0.80
0.79–0.57
0.56–0.40
0.39–0.28
0.27 and smaller
Speed correction factor
c3
0.0
0.1
0.2
0.3
0.4
Flange on one
timing pulley [mm]
Flange on both
timing pulleys [mm]
2
3
5
8
14
6
8
14
22
36
12
14
19
33
58
Table 10
Belt length factor c7
Pitch length [mm]
Fatigue correction factor
c6
Use of tension or
guide idlers
0.2
Operating time
16 to 24 hours
0.2
Only infrequent or
occasional operation
Pitch
[mm]
Profile 2M
Table 7
Fatigue correction factor c6
Operating conditions
Table 9
Minimum adjustment of centre distance ’y’ for
installation on timing belt pulleys with flanges
– 0.2
With frequent starts and stops or continual reversing operation, the selected total load factor c2
should be higher than the ratio between starting
torque and nominal torque. If there is a brake on
the prime mover the same procedure should
apply for the braking torque, if the brake is used
frequently. For further questions, please contact
the Optibelt Application Engineering Department.
Minimum adjustment of centre distance ’x’ for
tensioning of timing belts
x = 0.004 · anom
Table 8
Minimum adjustment of centre distance ’y’ for
installation on timing belt pulleys without flanges
Axial distance
[mm]
Shifting distance for the
installation of the belt [mm]
Up to 1000
From 1000 to 1780
From 1780 to 2540
From 2540 to 3300
From 3300 to 4600
1.8
2.8
3.3
4.1
5.3
≤
> 190≤
> 260≤
> 400≤
> 600
190
260
400
600
Profile 8M
c7
0.8
0.9
1.0
1.1
1.2
Pitch length [mm]
≤ 600
> 600≤ 880
> 880≤1200
>1200≤1760
>1760
c7
0.8
0.9
1.0
1.1
1.2
Profile 3M
Pitch length [mm]
≤
> 190≤
> 260≤
> 400≤
> 600
190
260
400
600
c7
0.8
0.9
1.0
1.1
1.2
Profile 5M
Pitch length [mm]
≤ 440
> 440≤ 555
> 555≤ 800
> 800≤1100
>1100
c7
0.8
0.9
1.0
1.1
1.2
Profile 14M
Pitch length [mm]
≤1190
>1190≤1610
>1610≤1890
>1890≤2450
>2450≤3150
>3150
c7
0.80
0.90
0.95
1.00
1.05
1.10
Table 11
Teeth in mesh factor c1
Number
of meshing teeth
≥6
5
4
3
2
Teeth in mesh factor
c1
1.0
0.8
0.6
0.4
0.2
DRIVE DESIGN
TIMING BELTS in optibelt OMEGA Profile
FORMULAS AND CALCULATION EXAMPLES
Prime mover
Operating conditions
Driven machine
Electric motor 50 Hz
Star delta start
P = 18.5 kW
n1 = 2850 min-1
Daily operating time: 12 hours
Number of starts/stops: 2 per day
Environmental influences:
ambient room temperature,
no influence from oil, water or dust
Centre distance: 400 mm to 450 mm
Max. pulley diameter: 200 mm
Textile machine
P = 15 kW
n2 = 1830 min-1 ± 1%
Type of load: constant
Formulae
Worked example
Also see
Total load factor
c2
c0
c3
c6
= c0 + c3 + c6
from table 5, page 40
c2
c0
c3
c6
=
=
=
=
1.6 + 0 + 0 = 1.6
1.6
0
0
Design power
PB = P · c2
PB = 18.5 · 1.6 = 29.6 kW
Timing belt profile
optibelt OMEGA HP
from diagrams 1-4, pages 36-39
Type 8M
Speed ratio
n1
z2 dw2
i = = =
n2
z1 dw1
2850
i = = 1.557
1830
Number of teeth of the pulleys
z1, dw1 selected from standard range of timing belt
pulleys page 75
z1= 36dw1= 91.67 mm
z2= 36 · 1.56 = 56.16
z2= z1 · i
z2= 56dw2= 142.60 mm
See to the minimum diameter requirement!
z2selected from standard range pulleys page 75
In compliance with requirement z1 ≥ 22 (minimum number
of teeth for profile 8M)
Check the rotary frequency
z
i= 2
z1
n1
n2=
i
56
= = 1.556
36
2850
n2= = 1832 min-1
1.556
i
Requirement:
1830 min-1 ± 1% met
Recommended centre distance
Recommendation:
a > 0.5(dw1 + dw2) + 15 mm
a > 0.5(91.67 + 142.60) + 15 mm = 132.14 mm
a < 2.0(dw1 + dw2)
a < 2.0(91.67 + 142.60)
a = 425 mm provisionally selected
= 468.54 mm
DRIVE DESIGN
FORMULAS AND CALCULATION EXAMPLES
Formulas
Worked example
Pitch length of the timing belt
(d – dwk)2
π
(dwg + dwk) + wg
Lwth ≈ 2a +
4a
2
LwSt see standard lengths,
see pages 10-11, 13, 16-19, 21-27, and 32- 34
π
(142.60 – 91.67)2
(142.60 + 91.67) +
2
4 · 425
≈ 1219.33 mm
Lwth ≈ 2 · 425 +
Lwth
next standard belt length selected from page 18
LwSt = 1200 mm
Centre distance from LwSt
anom = K +
K2 –
(dwg – dwk)2
8
(L )
π
K = wSt –
(dwg + dwk)
4
8
anom = 208 +
2082 –
(142.60 – 91.67)2
8
anom= 415.22 mm
1200
π
K=
–
(142.60 + 91.67) = 208 mm
4
8
Minimum adjustment for tensioning
x = 0.004 · anom
x ≥ 1.66 mm
Minimum adjustment for fitting belts
y = from table 9, page 41
y = 22 mm (with flanged pulley)
Number of teeth in mesh on the small pulley
zk
ze = 6
( )
3–
dwg – dwk
anom
( )
36
142.60 – 91.67
ze = 3 – = 17.26
6
415
ze = 17
Belt length factor
c7 from table 10, page 41
c7 = 1.0
Teeth in mesh factor
c1 from table 11, page 41
Belt width above nominal power rating
Requirement: PÜ ≥ PB
PÜ = transmissible nominal power of a standard belt width
PÜ = PN · c1 · c7
PN value and, if required, width correction factor (which is
to be multiplied by the PN value) see pages 46 to 58
c1 = 1.0
31.09 kW > 29.60 kW
Requirement met!
PÜ = 31.09 · 1.0 · 1.0 = 31.09 kW
PN for width of 30 mm = 19.68 · 1.58 = 31.09 kW
Drive to be fitted with:
1 optibelt OMEGA HP timing belt 1 optibelt ZRS timing belt pulley 1 optibelt ZRS timing belt pulley 1200 8MHP 30
36 8M 30
56 8M 30
DRIVE DESIGN
BELT TENSION
Belt tension for optibelt OMEGA HP/optibelt
OMEGA HL and optibelt OMEGA timing belts
For proper power transmission and for achieving an
acceptable belt service life, the correct belt tension is of
the utmost importance.
Too low or too high belt tension will lead to the premature
failure of the timing belts. Over tensioning often leads to
bearing failure on the prime mover or the driven machine.
Experience shows that unscientific belt tensioning methods,
such as the “thumb pressure method”, are not suitable for
applying the optimum tension to the drive for maximum
efficiency and drive/bearing life. It is therefore recommended that the correct static belt tension should be calculated
for each drive. Due to their extremely low-stretch characteristics OPTIBELT timing belts do not require any further tensioning after correct installation, if properly used.
Symbol
F = test force [N]
Sa = static shaft loading [N]
Sn3 = circumferential force to be effectively transmitted [N]
Ea = belt deflection for given span length [mm]
L = span length [mm]
Apply test force F in the centre of the span in a right angle
to the belt top surface as shown in the illustration below;
measure the deflection Ea, correct the tension if necessary.
1.Calculation of the test force F
F =
Sn3
20
Sn3=
P · 1000
v
1352
F = = 67.60 N
20
v=
dwk · nk
19100
Sn3=
18.5 · 1000
13.68
v=
Sn3= 1352 N
91.67 · 2850
19100
v = 13.68 m/s
2.Calculation of the belt deflection Ea for the existing span
length L
Ea=
L
50
Ea=
–d
( d )
2
L= anom2 –
wg
wk
2
414.44
= 8.3 mm
50
L= 415.222 –
– 91.67
) = 414.44 mm
( 142.60
2
2
3.Calculation of the minimum static shaft loading
Sa= Sn3 · 1.1
Sa= 1352 N · 1.1 = 1487.2 N
4.Calculation of the frequency for measuring the belt
tension using the OPTIBELT frequency tension tester
f=
T
4 · k · L2
T =0.5 · Sa
k belt weight per metre from table 37, page 72
L span length per metre
f =
743.6
= 78.9 Hz
4 · 0.174 · 0.4142
T = 0.5 · 1487.2 N = 743.6 N
k = 0.174 kg/m
L = 0.414 m
DRIVE DESIGN
optibelt CAP Drive Calculation
The drive is to be equipped with:
Also use
the optibelt CAP drive calculation
Software available at www.optibelt.com
— optibelt OMEGA HP timing belt 1200 8M HP 30
— optibelt ZRS pulley 36-8M-30 (cylindrical bore)
— optibelt ZRS pulley 56-8M-30 (cylindrical bore)
Prime mover Driven machine
Electric motor P = 18.5 kW
Textile machine
Timing belt data Pitch t:
8.000 mm
Width b:
30.00 mm
Calculated pitch length Lwth: 1200.00mm
Standard pitch length Lw:
1200.00mm
Number of teeth zr:150
Belt speed v:
13.68 m/s
Variations/Information
Timing belt pulley data Pulley 1 (driving) Pulley 2 (driven)
Number of teeth z:
36
56
Pitch diameter dw:
91.67mm 142.60mm
Pulley face width b1:
38.00mm 38.00mm
Speed n:
2850.01/min 1832.11/min
Number of teeth in mesh ze:
17
29
Torque M:
104Nm
162Nm
Standard Design
6F
6WF
Number of flanged pulleys 2
2
Material St
GG
Nominal drive data Variations/Information
Design power PB:
29.60kW
Nominal power rating PÜ:
31.09kW
Effective service factor c2:1.68
Actual drive ratio i:
1.56
0.0 %
Actual centre distance a:
415.22 mm
–9.78 mm
Minimum adjustment of centre
distance for belt installation y:
≥ 22.00 mm
Minimum adjustment of centre
distance for belt tensioning x:
≥ 1.66 mm
Actual circumferential load Sn3:
1353N
Static shaft load Sa:
1488N
Static span tension T:
744 N
Span length L:
414.50 mm
Methods for setting belt tension
Belt deflection per span length optibelt TT 3
frequency tension tester Ea:
f:
8.29 mm with a load
F 67.60 N
78.88 1/s
POWER RATINGS
PROFILE AND DESIGN 8M HL
Table 12
Nominal power PN [kW] for profile and design 8M HL and a timing belt width of 20 mm
Speed of the
small pulley
nk [min-1]
Number of teeth on the small pulley zk
2224262830323436384044485256647280
Pitch diameter of the small pulley dwk [mm]
56.02 61.12 66.21 71.30 76.39 81.49 86.58 91.67 96.77101.86112.05122.23132.42142.60162.97183.35203.72
10
20
50
100
200
0.070.080.090.090.110.120.130.140.150.150.180.200.220.240.270.310.34
0.130.150.180.190.210.220.250.270.280.310.340.380.410.450.530.600.67
0.320.350.400.450.490.540.590.640.670.720.810.900.981.071.251.431.59
0.590.680.770.860.941.041.121.201.301.381.561.721.892.062.392.733.06
1.121.301.461.631.801.972.132.302.472.642.973.303.623.954.595.245.89
300
400
500
600
700
1.631.872.122.372.622.863.113.363.613.844.344.825.305.776.737.678.61
2.112.442.763.093.423.734.064.384.705.025.676.296.927.558.80
10.05
11.28
2.582.983.393.794.194.595.005.405.786.196.967.758.539.31
10.85
12.37
13.89
3.043.524.014.494.965.435.916.396.867.328.269.19
10.11
11.03
12.85
14.67
16.47
3.584.164.725.305.876.436.997.558.118.679.78
10.87
11.97
13.07
15.23
17.39
19.52
800
1000
1200
1450
1600
3.954.575.215.836.467.087.718.328.949.55
10.78
11.99
13.20
14.41
16.80
19.17
21.53
4.82 5.60 6.37 7.15 7.93 8.69 9.4610.2310.9811.7513.2514.7516.2417.7220.6723.5826.46
5.68 6.60 7.53 8.45 9.3710.2711.1812.0913.0013.8915.6817.4519.2120.9724.4527.9031.30
6.76 7.88 8.9910.1011.1912.2913.3814.4715.5516.6218.7720.9023.0125.1229.2833.3937.44
7.34 8.55 9.7710.9712.1713.3614.5515.7316.9118.0820.4222.7325.0227.3131.8336.2940.69
1800
2000
2200
2400
2800
8.15 9.5110.8612.2113.5414.8716.2017.5218.8320.1422.7425.3227.8630.4135.4340.3845.24
8.9410.4511.9313.4214.8916.3617.8319.2720.7222.1625.0227.8630.6633.4638.9744.3849.70
9.7311.3713.0014.6216.2217.8319.4221.0122.5924.1527.2730.3633.4036.4442.4248.2754.00
10.5112.2914.0615.8117.5519.2921.0222.7424.4526.1429.5132.8536.1339.4245.8752.1658.31
12.0414.0916.1318.1420.1622.1524.1426.1128.0830.0233.8837.7041.4545.1952.5059.6066.50
3000
3500
4000
4500
5000
12.4914.6216.7318.8420.9223.0025.0627.1129.1531.1635.1839.1343.0146.8954.4461.7768.86
14.6317.1419.6422.1124.5627.0029.4331.8334.2136.5841.2645.8750.3554.8363.48
16.4219.2522.0724.8627.6330.3633.0835.7838.4441.0946.3051.4356.3861.34
18.1721.3124.4427.5330.6033.6336.6339.6042.5345.4451.1656.7462.31
19.8623.3226.7430.1333.4836.7940.0643.3046.4949.6455.8161.8168.14
5500
21.5125.2728.9832.6636.2839.8643.3846.8650.2853.6760.25
optibelt OMEGA HL
Power ratings for other belt widths can be calculated by multiplying by the width correction factors.
Width correction factor
Profile and design 8M HL
Standard belt width
[mm]
Factor
20
30
50
85
1.00
1.58
2.73
4.76
POWER RATINGS
PROFILE AND DESIGN 14M HL
Table 13
Nominal power PN [kW] for profile and design 14M HL and a timing belt width of 40 mm
Speed of the
small pulley
nk [min-1]
2829303234363840424446485256647280
124.78129.23133.69142.60151.52160.43169.34178.25187.17196.08204.99213.90231.73249.55285.21320.86356.51
10
20
40
60
100
0.530.560.590.620.670.720.770.800.850.900.940.991.071.151.321.501.66
1.011.051.081.181.271.341.441.521.601.681.771.852.012.182.502.833.13
1.871.942.022.192.342.502.662.822.973.133.283.433.744.054.655.255.84
2.722.842.963.193.423.653.894.114.344.574.805.025.475.916.817.678.54
4.294.484.675.045.425.786.146.526.887.257.607.958.679.38
10.78
12.17
13.55
200
300
400
500
600
7.94 8.29 8.65 9.3410.0510.7311.4212.1012.7813.4714.1314.8016.1417.4720.0922.6725.22
11.3511.8512.3513.3614.3715.3616.3517.3418.3219.3020.2621.2323.1425.0528.8132.5236.18
14.5915.2515.9117.2018.5019.7921.0822.3423.6024.8726.1227.3729.8432.3137.1641.9446.64
17.7118.5119.3120.9022.4924.0625.6327.1828.7130.2431.7733.3036.3039.3045.2151.0156.73
20.7221.6722.6224.4926.3428.2130.0431.8633.6735.4937.2739.0442.5746.1053.0159.7966.47
700
800
950
1000
1200
24.2525.3526.4628.6630.8633.0435.1937.3239.4541.5843.6745.7649.8854.0162.0970.0077.77
26.5427.7628.9831.3933.7936.1738.5440.8943.2245.5447.8350.1354.6459.1467.9876.6285.09
32.1133.5935.0738.0040.9243.8046.6849.5252.3455.1657.9360.7066.1471.5982.2092.53
102.61
37.4539.1940.9344.3647.7751.1654.5157.8261.1164.4067.6370.8677.1783.4995.74
107.59
119.09
44.1546.2048.2552.3256.3460.3364.2768.1872.0475.9079.6783.4590.8098.15
112.33
125.91
138.93
1450
1600
1800
2000
2200
47.6349.8552.0656.4660.7965.0969.3573.5777.7181.8685.9189.9797.84
105.72
120.79
135.16
148.83
52.4854.9357.3862.2167.0071.7276.4081.0185.5590.1094.5298.95
107.51
116.06
132.29
147.61
57.1959.8662.5467.7973.0078.1483.2088.2193.1298.02
102.80
107.57
116.72
125.86
143.08
61.7064.5767.4573.1278.7284.2389.6695.01
100.24
105.47
110.54
115.60
125.24
134.87
66.20 69.28 72.36 78.44 84.44 90.32 96.12101.82107.37112.92118.28123.64133.76143.88
optibelt OMEGA HL
2400
70.44 73.72 76.99 83.43 89.77 95.98102.09108.09113.90119.71125.30130.88
2600
74.68 78.15 81.62 88.42 95.10101.64108.07114.35120.43126.51132.31138.12
2850
77.12 80.70 84.27 91.28 98.15104.88111.47117.90124.11130.33136.23142.14
300088.30
92.35
96.39
104.27
111.94
119.38
126.62
133.63
350097.06
101.43
105.80
114.27
122.45
Profile and design 14M HL
Standard belt width
[mm]
Factor
40
55
85
115
170
1.00
1.44
2.50
3.50
5.32
POWER RATINGS
PROFILE AND DESIGN 8M FP
Table 14
Nominal power PN [kW] for profile and design 8M FP and a timing belt width of 20 mm
Speed of the
small pulley
nk [min-1]
2224262830323436384044485256647280
56.02 61.12 66.21 71.30 76.39 81.49 86.58 91.67 96.77101.86112.05122.23132.42142.60162.97183.35203.72
10
20
50
100
200
0.060.070.080.080.090.100.110.120.130.130.150.170.190.200.240.270.30
0.110.130.150.160.180.190.220.240.250.270.300.330.360.390.460.520.58
0.280.310.350.390.430.470.510.550.580.620.710.780.860.931.091.241.38
0.510.590.670.750.820.900.971.041.131.201.351.501.641.792.082.382.66
0.971.131.271.411.571.711.852.002.152.292.582.873.153.434.004.565.12
300
400
500
600
700
1.411.631.842.062.272.492.702.923.133.343.774.194.615.025.856.677.49
1.832.122.402.682.973.253.533.814.094.364.935.476.026.577.658.749.80
2.242.592.953.303.654.004.344.695.035.386.056.747.428.099.44
10.76
12.08
2.643.063.483.904.314.725.145.555.966.367.187.998.799.59
11.18
12.76
14.32
3.113.624.114.615.105.596.086.577.057.548.509.46
10.41
11.36
13.25
15.12
16.98
800
1000
1200
1450
1600
3.433.984.535.075.616.166.707.237.788.319.37
10.43
11.48
12.53
14.61
16.67
18.72
4.19 4.87 5.54 6.22 6.89 7.56 8.23 8.89 9.5510.2111.5312.8314.1215.4117.9720.5023.01
4.94 5.74 6.55 7.35 8.14 8.93 9.7210.5111.3012.0813.6415.1716.7018.2421.2624.2627.22
5.88 6.85 7.82 8.78 9.7310.6911.6412.5813.5214.4616.3218.1720.0121.8425.4629.0332.56
6.38 7.44 8.49 9.5410.5811.6212.6513.6814.7015.7317.7519.7621.7623.7527.6831.5535.39
1800
2000
2200
2400
2800
7.09 8.27 9.4510.6111.7712.9314.0915.2316.3717.5119.7722.0224.2326.4430.8135.1139.34
7.78 9.0910.3811.6712.9514.2315.5016.7618.0219.2721.7624.2326.6629.1033.8938.5943.21
8.46 9.8911.3012.7114.1115.5016.8918.2719.6421.0023.7126.4029.0431.6936.8941.9746.96
9.1410.6912.2213.7515.2716.7718.2819.7721.2622.7325.6628.5631.4234.2839.8845.3550.70
10.4712.2514.0315.7817.5319.2620.9922.7024.4126.1029.4632.7836.0439.3045.6551.8357.82
3000
3500
4000
4500
5000
10.8612.7114.5516.3818.2020.0021.7923.5725.3527.1030.5934.0237.4040.7847.3453.7159.88
12.7214.9117.0819.2321.3623.4825.5927.6829.7531.8135.8839.8843.7847.6855.20
14.2816.7419.1921.6224.0226.4028.7731.1133.4335.7340.2644.7249.0353.34
15.8018.5321.2523.9426.6129.2431.8534.4336.9839.5144.4849.3455.20
17.2720.2723.2626.2029.1232.0034.8337.6540.4343.1648.5353.75
5500
6000
6500
7000
8000
18.7121.9825.2028.4031.5434.6637.7240.7443.7346.6752.3957.92
20.0823.6627.0630.5233.8637.2040.5143.6946.8650.0056.05
21.3925.3228.8232.5436.0639.6043.1846.4649.8253.1459.47
22.6426.9730.4634.4438.1441.8445.7149.0552.5856.08
23.8228.6231.9636.2040.0643.9248.0951.4255.12
optibelt
OMEGA FAN POWER
Profile and design 8M FP
Standard belt width
[mm]
Factor
20
30
50
85
1.00
1.58
2.73
4.76
POWER RATINGS
PROFILE AND DESIGN 14M FP
Table 15
Nominal power PN [kW] for profile and design 14M FP and a timing belt width of 40 mm
Speed of the
small pulley
nk [min-1]
2829303234363840424446485256647280
124.78129.23133.69142.60151.52160.43169.34178.25187.17196.08204.99213.90231.73249.55285.21320.86356.51
10
20
40
60
100
0.460.490.510.540.580.620.670.700.740.780.820.860.931.001.151.301.44
0.880.910.941.021.111.171.251.321.391.471.541.611.751.902.172.462.73
1.621.691.761.902.042.172.322.452.582.722.852.993.253.524.054.565.08
2.372.472.572.782.973.183.383.583.783.984.174.364.755.145.926.677.43
3.733.894.064.384.715.035.345.675.986.306.616.927.548.169.37
10.58
11.78
200
300
400
500
600
6.91 7.21 7.52 8.12 8.74 9.33 9.9310.5211.1211.7112.2912.8714.0315.1917.4719.7121.93
9.8710.3010.7411.6212.5013.3614.2215.0815.9316.7817.6218.4620.1221.7825.0528.2831.46
12.6813.2613.8314.9616.0817.2118.3319.4220.5321.6322.7123.8025.9528.0932.3136.4740.56
15.4016.0916.7918.1719.5620.9222.2823.6424.9726.3027.6328.9531.5634.1839.3144.3649.33
18.0218.8519.6721.3022.9124.5326.1227.7029.2830.8632.4033.9537.0240.0946.0951.9957.80
700
800
1000
1200
1450
21.0822.0523.0124.9326.8328.7330.6032.4634.3136.1537.9739.7943.3846.9653.9960.8767.63
23.0824.1425.2027.2929.3831.4533.5135.5637.5839.6041.5943.5947.5151.4359.1166.6273.99
27.9229.2130.5033.0435.5838.0940.5943.0645.5147.9750.3752.7857.5262.2571.4880.4689.22
32.5734.0835.5938.5741.5444.4847.4050.2853.1456.0058.8161.6167.1072.6083.2593.56
103.56
38.3940.1741.9545.5048.9952.4655.8959.2962.6466.0069.2872.5778.9685.3597.68
109.49
120.81
1600
1800
2000
2200
2400
41.4243.3545.2749.0952.8656.6060.3063.9767.5871.1874.7178.2385.0891.93
105.03
117.53
129.41
45.6347.7649.8954.0958.2662.3666.4470.4474.3978.3482.2086.0593.49
100.92
115.03
128.36
49.7352.0554.3858.9563.4867.9472.3576.7080.9785.2489.3993.54
101.49
109.45
124.42
53.6556.1558.6563.5868.4573.2477.9682.6287.1791.7196.12
100.52
108.90
117.28
57.5760.2562.9268.2173.4378.5483.5888.5493.3698.19
102.85
107.51
116.31
125.11
2600
2850
3000
3500
4000
61.2564.1066.9572.5578.0683.4688.7893.9999.04
104.10
108.95
113.81
64.9467.9670.9876.8982.7088.3893.9899.44
104.72
110.01
115.06
120.10
67.0670.1773.2879.3885.3591.2096.93
102.52
107.93
113.33
118.46
123.60
76.79 80.30 83.81 90.67 97.34103.81110.10116.20110.88116.25121.48
84.40 88.20 92.00 99.37106.48113.77121.68127.06113.44118.75
optibelt
OMEGA FAN POWER
4500 91.28
95.30
99.33
105.43
113.73
121.63
132.00
135.53
5000
97.36101.56105.73108.83119.75127.31
5500
102.61106.91111.16109.50
6000
106.99111.30
Profile and design 14M FP
Standard belt width
[mm]
Factor
40
55
85
115
170
1.00
1.44
2.50
3.50
5.32
POWER RATINGS
PROFILE AND DESIGN 3M HP
Table 16
Nominal power PN [W] for profile and design 3M HP and a timing belt width of 9 mm
Speed of the
small pulley
nk [min-1]
101214161820242832404856647280
Pitch diameter of the small pulley dwk (mm)
9.5511.4613.3715.2817.1919.1022.9226.7430.5638.2045.8453.4861.1268.7576.39
20
40
60
100
200
2.73.44.14.85.66.48.09.8
11.5
14.9
18.4
21.6
24.5
27.3
30.0
5.2 6.5 7.8 9.210.712.115.218.621.828.535.041.246.752.057.3
7.6 9.511.413.415.517.722.227.031.841.451.060.168.075.883.5
12.315.318.421.725.128.736.043.550.966.181.696.3
109.3
122.2
134.7
23.328.934.840.947.454.167.781.995.5
125.0
154.7
183.0
207.1
231.6
255.9
300
400
500
600
700
31.6
39.6
46.3
52.3
58.6
800
900
950
1000
1200
66.1 82.8100.2118.6138.5158.5199.2240.6281.3365.0451.0529.0601.0671.0739.0
71.5 89.0109.3129.7152.0173.5217.4262.8307.9399.0491.0577.0655.0731.0807.0
74.0 92.7113.3135.0157.8180.8226.5273.4320.6415.0512.0600.0682.0761.0839.0
76.5 96.3117.4140.3164.5188.1235.7284.1333.2432.0531.0624.0708.0791.0871.0
86.3109.3133.7160.0187.7214.8270.7326.5382.2496.0609.0713.0809.0902.0994.0
1400
1450
1600
1800
2000
96.0122.0149.7179.1211.0241.7303.4366.0428.2554.0680.0797.0903.0
1009.0
1110.0
98.5124.8153.7183.6216.8247.8311.9375.0439.1569.0698.0818.0927.0
1034.0
1139.0
106.4135.2164.9197.4232.5266.6335.1404.3473.1611.0749.0877.0995.0
1110.0
1221.0
117.0148.0180.0215.0253.0290.0365.0440.0515.0667.0816.0955.0
1082.0
1207.0
1326.0
125.0158.0193.0231.0272.0312.0395.0475.0557.0718.0879.0
1029.0
1165.0
1298.0
1427.0
2400
2850
3200
3600
4000
141.0178.0219.0263.0309.0356.0450.0543.0635.0819.0
1000.0
1168.0
1322.0
1471.0
1613.0
155.0198.0245.0296.0350.0403.0509.0614.0718.0923.0
1125.0
1313.0
1484.0
1648.0
1792.0
170.0216.0266.0320.0379.0436.0552.0665.0779.0
1001.0
1218.0
1419.0
1601.0
1775.0
1940.0
182.0233.0287.0347.0411.0473.0599.0722.0845.0
1084.0
1317.0
1531.0
1724.0
1907.0
2079.0
194.0248.0308.0372.0441.0508.0644.0776.0907.0
1163.0
1409.0
1635.0
1837.0
2028.0
2203.0
39.4
49.4
58.1
65.6
73.9
47.7 56.3 65.6 74.7 93.8113.6133.0173.9215.1253.9287.6321.9354.5
59.7 70.6 82.0 93.3116.7141.0165.6216.0268.0315.6358.2400.2441.5
70.6 83.6 97.3111.3138.6167.6197.0255.8317.1372.8423.0473.3521.3
80.1 95.3112.1128.1160.0192.4226.5294.0363.6426.9485.0541.8597.5
90.0106.9125.6143.7180.5217.4254.7330.1407.7478.8544.0607.6669.7
optibelt OMEGA HP
5000
6000
7000
8000
10000
221.0
246.0
265.0
284.0
320.0
284.0
317.0
344.0
368.0
418.0
352.0
395.0
429.0
462.0
515.0
427.0
479.0
523.0
564.0
632.0
507.0
571.0
625.0
676.0
759.0
587.0 743.0 896.01047.01335.01608.01853.02065.02257.02425.0
661.0 838.01011.01178.01495.01788.02045.02257.02440.02587.0
724.0 919.01105.01286.01621.01919.02169.02359.02506.02598.0
784.0 994.01194.01385.01733.02030.02264.02420.02517.02537.0
880.01114.01334.01534.01877.02128.02277.02393.0
12000
14000
349.0 452.0 566.0 690.0 822.0 954.01204.01428.01624.01920.02064.0
347.0 458.0 583.0 721.0 869.01006.01260.01476.01651.01856.0
Profile and design 3M HP
Belt width
[mm]
Factor
50 3
Standard
6
Standard
9
12
Standard
15
20
25
0.28
0.61
1.00
1.44
1.87
2.63
3.40
POWER RATINGS
Table 17
Nominal power PN [kW] for profile and design 5M HP and a timing belt width of 9 mm
Speed of the
small pulley
nk [min-1]
141618202428323640444856647280
22.2825.4628.6531.8338.2044.5650.9357.3063.6670.0376.3989.13
101.86
114.59
127.32
700
950
1450
2850
0.360.440.530.610.770.931.091.251.431.591.762.092.432.763.09
0.450.560.680.780.991.201.401.621.832.052.252.683.093.523.92
0.620.790.941.091.391.681.982.272.562.853.143.704.264.805.32
1.041.321.581.832.322.793.273.714.154.595.005.776.497.127.68
20
40
60
100
200
0.010.020.020.020.030.030.050.060.060.070.070.090.100.120.14
0.030.030.050.050.060.080.090.100.120.130.140.170.200.220.25
0.050.060.060.070.090.100.130.150.160.180.210.240.280.320.37
0.070.080.100.120.140.170.200.230.260.290.320.380.450.510.58
0.130.150.180.210.260.310.370.430.480.540.600.710.830.941.07
300
400
500
600
800
0.170.220.250.300.370.450.530.610.690.770.851.011.181.361.52
0.220.280.320.380.470.580.680.780.890.991.091.301.521.741.94
0.260.330.390.460.580.700.820.941.071.201.321.581.832.092.35
0.310.390.460.530.680.820.951.101.251.391.541.842.142.442.73
0.390.490.590.680.861.041.221.401.591.771.962.332.703.073.44
900
1000
1200
1400
1600
0.440.540.640.750.941.151.351.551.751.962.162.562.973.373.77
0.470.590.700.821.041.251.471.691.912.132.352.783.223.664.08
0.540.680.820.941.201.451.701.962.212.462.713.213.704.204.67
0.610.770.921.071.361.631.922.212.502.773.063.614.154.685.20
0.680.851.021.181.511.822.142.452.763.073.383.984.575.135.68
1800
2000
2400
3200
3600
0.740.931.121.301.641.992.332.683.013.353.684.324.955.546.12
0.791.011.221.401.782.162.532.903.253.613.974.655.305.926.51
0.911.161.391.612.052.472.893.303.704.114.495.225.926.577.15
1.121.441.711.992.523.023.534.004.474.925.356.146.847.447.95
1.211.551.862.162.733.283.814.314.805.265.696.477.157.698.12
4000
5000
6000
7000
8000
1.301.672.002.322.923.514.064.595.085.555.986.757.377.838.14
1.501.932.312.683.364.004.605.155.656.106.507.137.537.687.58
1.672.162.592.993.734.395.005.546.016.416.737.127.166.856.19
1.822.362.823.244.034.705.305.806.206.496.686.736.305.39
1.942.523.013.464.264.935.475.906.206.366.385.98
optibelt OMEGA HP
10000
12000
14000
2.152.793.323.784.575.145.545.735.725.505.05
2.302.983.523.974.665.085.225.074.623.88
2.393.093.624.044.584.754.553.962.97
Belt width
[mm]
Factor
6
Standard
9
12
Standard
15
20
Standard
25
30
0.61
1.00
1.44
1.87
2.63
3.40
4.15
POWER RATINGS
Table 18
Speed of the
small pulley
nk [min-1]
2224262830323436384044485256647280
56.02 61.12 66.21 71.30 76.39 81.49 86.58 91.67 96.77101.86112.05122.23132.42142.60162.97183.35203.72
10
20
50
100
200
0.060.070.080.080.090.100.110.120.130.130.150.170.190.200.240.270.30
0.110.130.150.160.180.190.220.240.250.270.300.330.360.390.460.520.58
0.280.310.350.390.430.470.510.550.580.620.710.780.860.931.091.241.38
0.510.590.670.750.820.900.971.041.131.201.351.501.641.792.082.382.66
0.971.131.271.411.571.711.852.002.152.292.582.873.153.434.004.565.12
300
400
500
600
700
1.411.631.842.062.272.492.702.923.133.343.774.194.615.025.856.677.49
1.832.122.402.682.973.253.533.814.094.364.935.476.026.577.658.749.80
2.242.592.953.303.654.004.344.695.035.386.056.747.428.099.44
10.76
12.08
2.643.063.483.904.314.725.145.555.966.367.187.998.799.59
11.18
12.76
14.32
3.113.624.114.615.105.596.086.577.057.548.509.46
10.41
11.36
13.25
15.12
16.98
800
1000
1200
1450
1600
3.433.984.535.075.616.166.707.237.788.319.37
10.43
11.48
12.53
14.61
16.67
18.72
4.19 4.87 5.54 6.22 6.89 7.56 8.23 8.89 9.5510.2111.5312.8314.1215.4117.9720.5023.01
4.94 5.74 6.55 7.35 8.14 8.93 9.7210.5111.3012.0813.6415.1716.7018.2421.2624.2627.22
5.88 6.85 7.82 8.78 9.7310.6911.6412.5813.5214.4616.3218.1720.0121.8425.4629.0332.56
6.38 7.44 8.49 9.5410.5811.6212.6513.6814.7015.7317.7519.7621.7623.7527.6831.5535.39
1800
2000
2200
2400
2800
7.09 8.27 9.4510.6111.7712.9314.0915.2316.3717.5119.7722.0224.2326.4430.8135.1139.34
7.78 9.0910.3811.6712.9514.2315.5016.7618.0219.2721.7624.2326.6629.1033.8938.5943.21
8.46 9.8911.3012.7114.1115.5016.8918.2719.6421.0023.7126.4029.0431.6936.8941.9746.96
9.1410.6912.2213.7515.2716.7718.2819.7721.2622.7325.6628.5631.4234.2839.8845.3550.70
10.4712.2514.0315.7817.5319.2620.9922.7024.4126.1029.4632.7836.0439.3045.6551.8357.82
3000
3500
4000
4500
5000
10.8612.7114.5516.3818.2020.0021.7923.5725.3527.1030.5934.0237.4040.7847.3453.7159.88
12.7214.9117.0819.2321.3623.4825.5927.6829.7531.8135.8839.8843.7847.6855.20
14.2816.7419.1921.6224.0226.4028.7731.1133.4335.7340.2644.7249.0353.34
15.8018.5321.2523.9426.6129.2431.8534.4336.9839.5144.4849.34 55.20
17.2720.2723.2626.2029.1232.0034.8337.6540.4343.1648.5353.75
5500
6000
6500
7000
8000
18.7121.9825.2028.4031.5434.6637.7240.7443.7346.6752.39 57.92
20.0823.6627.0630.5233.8637.2040.5143.6946.8650.0056.05
21.3925.3228.8232.5436.0639.6043.1846.4649.8253.1459.47
22.6426.9730.4634.4438.1441.8445.7149.0552.5856.08
23.8228.6231.9636.2040.0643.9248.0951.4255.12
optibelt OMEGA HP
Standard belt width
[mm]
Factor
20
30
50
85
1.00
1.58
2.73
4.76
POWER RATINGS
Table 19
Speed of the
small pulley
nk [min-1]
2829303234363840424446485256647280
124.78129.23133.69142.60151.52160.43169.34178.25187.17196.08204.99213.90231.73249.55285.21320.86356.51
10
20
40
60
100
0.460.490.510.540.580.620.670.700.740.780.820.860.931.001.151.301.44
0.880.910.941.021.111.171.251.321.391.471.541.611.751.902.172.462.73
1.621.691.761.902.042.172.322.452.582.722.852.993.253.524.054.565.08
2.372.472.572.782.973.183.383.583.783.984.174.364.755.145.926.677.43
3.733.894.064.384.715.035.345.675.986.306.616.927.548.169.37
10.58
11.78
200
300
400
500
600
6.91 7.21 7.52 8.12 8.74 9.33 9.9310.5211.1211.7112.2912.8714.0315.1917.4719.7121.93
9.8710.3010.7411.6212.5013.3614.2215.0815.9316.7817.6218.4620.1221.7825.0528.2831.46
12.6813.2613.8314.9616.0817.2118.3319.4220.5321.6322.7123.8025.9528.0932.3136.4740.56
15.4016.0916.7918.1719.5620.9222.2823.6424.9726.3027.6328.9531.5634.1839.3144.3649.33
18.0218.8519.6721.3022.9124.5326.1227.7029.2830.8632.4033.9537.0240.0946.0951.9957.80
700
800
1000
1200
1450
21.0822.0523.0124.9326.8328.7330.6032.4634.3136.1537.9739.7943.3846.9653.9960.8767.63
23.0824.1425.2027.2929.3831.4533.5135.5637.5839.6041.5943.5947.5151.4359.1166.6273.99
27.9229.2130.5033.0435.5838.0940.5943.0645.5147.9750.3752.7857.5262.2571.4880.4689.22
32.5734.0835.5938.5741.5444.4847.4050.2853.1456.0058.8161.6167.1072.6083.2593.56
103.56
38.3940.1741.9545.5048.9952.4655.8959.2962.6466.0069.2872.5778.9685.3597.68
109.49
120.81
1600
1800
2000
2200
2400
41.4243.3545.2749.0952.8656.6060.3063.9767.5871.1874.7178.2385.0891.93
105.03
117.53
129.41
45.6347.7649.8954.0958.2662.3666.4470.4474.3978.3482.2086.0593.49
100.92
115.03
128.36
49.7352.0554.3858.9563.4867.9472.3576.7080.9785.2489.3993.54
101.49
109.45
124.42
53.6556.1558.6563.5868.4573.2477.9682.6287.1791.7196.12
100.52
108.90
117.28
57.5760.2562.9268.2173.4378.5483.5888.5493.3698.19
102.85
107.51
116.31
125.11
2600
2850
3000
3500
4000
61.2564.1066.9572.5578.0683.4688.7893.9999.04
104.10
108.95
113.81
64.9467.9670.9876.8982.7088.3893.9899.44
104.72
110.01
115.06
120.10
67.0670.1773.2879.3885.3591.2096.93
102.52
107.93
113.33
118.46
123.60
76.7980.3083.8190.6797.34
103.81
110.10
116.20110.88116.25121.48
84.4088.2092.0099.37
106.48113.77121.68127.06113.44118.75
4500
5000
5500
6000
91.2895.3099.33105.43113.73121.63132.00135.53
97.36101.56105.73108.83119.75127.31
102.61106.91111.16109.50
106.99111.30
optibelt OMEGA HP
Standard belt width
[mm]
Factor
40
55
85
115
170
1.00
1.44
2.50
3.50
5.32
POWER RATINGS
PROFILE AND DESIGN 2M
Table 20
Nominal power PN [W] for profile and design 2M and a timing belt width of 9 mm
Speed of the
small pulley
nk [min-1]
10121416182024283236404856647280
6.37 7.64 8.9110.1911.4612.7315.2817.8320.3722.9225.4630.5635.6540.7445.8450.93
20
40
60
100
200
0.390.480.570.660.750.851.031.231.421.621.822.212.623.023.433.84
0.790.961.141.331.521.712.082.462.853.243.634.425.226.026.827.64
1.181.441.721.992.272.553.103.674.254.825.416.587.768.96
10.16
11.37
1.972.412.853.303.754.215.136.077.027.978.93
10.88
12.86
14.80
16.77
18.72
3.90 4.75 5.63 6.52 7.41 8.3110.1111.9613.8315.7017.5721.3625.2229.0732.9436.94
300
400
500
600
700
5.78 7.07 8.37 9.6811.0212.3815.0917.7920.5523.3526.1331.7537.4743.2348.9954.83
7.67 9.3611.1212.7914.5616.3419.9323.5727.2030.8334.5142.0349.6057.1764.8272.61
9.5311.6413.7215.9118.1020.2924.7129.2433.8038.3742.9652.2661.6271.1080.6390.16
11.4213.9316.4319.0421.6424.2429.5534.9540.3545.7951.3062.4273.6384.9296.34
107.70
13.2416.1619.0822.1025.1228.1634.3240.5846.8653.4559.9372.5085.5398.65
111.87
125.12
800
900
950
1000
1200
15.1018.4021.7025.2028.6032.1039.1046.2053.4061.1068.6082.6097.40
112.40
127.40
142.50
16.9020.6024.4028.2032.1036.0043.8051.8059.8068.2076.4092.60
109.20
126.00
142.90
159.80
17.8021.7025.7029.7033.8037.9046.2054.6063.0071.7080.3097.60
115.10
132.80
150.60
168.50
18.7022.9027.0031.2035.6039.9048.5057.4066.3075.2084.30
102.60
121.00
139.60
158.30
177.10
22.3027.2032.2037.3042.4047.5057.9068.4079.0089.80
100.60
122.40
144.40
166.60
189.00
211.50
1400
1450
1600
1800
2000
25.9031.6037.4043.3049.2055.2067.3079.5091.80
104.30
116.80
142.20
167.80
193.60
219.50
245.60
26.8032.7038.7044.8050.9057.1069.6082.2095.00
107.90
120.80
147.10
173.60
200.30
227.10
254.10
29.40 36.00 42.50 49.20 55.90 62.80 76.60 90.50104.50118.70133.00161.90190.90220.40249.90279.60
32.90 40.30 47.70 55.20 62.80 70.40 85.70101.40117.10133.00149.10181.40214.00247.00280.10313.50
36.50 44.60 52.80 61.00 69.40 77.90 95.00112.30129.70147.30165.10200.90237.00273.50310.20347.20
2400
2850
3200
3600
4000
optibelt OMEGA
43.50
51.30
57.40
64.20
71.00
53.20 62.90 72.80 82.80 92.90113.20133.80154.60175.70196.80239.60282.70326.30370.10414.20
62.70 74.20 85.90 98.00109.80133.60158.00182.50207.40232.40282.90333.80385.20436.90489.00
70.10 82.90 96.10112.10124.00149.40176.60204.10231.90259.80316.30373.30430.80488.70546.90
78.50 92.90107.50122.20137.20167.30197.80228.60259.60291.00354.30418.10482.60547.40612.60
86.80102.80118.90135.20151.80185.10218.80252.90287.30322.00392.10462.70534.00605.80678.10
5000
6000
7000
8000
10000
87.90107.40127.20147.10167.50187.90229.10270.70313.00355.80398.80485.70573.10661.70750.50840.20
104.50127.70151.30175.00199.20223.50272.60322.40372.70423.40474.60578.10682.30787.70893.60
1000.40
120.80147.60174.90202.40230.30258.50315.40373.00431.20489.90549.20669.00789.60911.70
1034.40
1158.10
137.10167.50198.50229.80261.40293.50358.10423.50489.70556.40623.80759.90897.00
1035.70
1175.20
1315.70
169.00206.00245.00283.00322.00362.00442.00522.00604.00687.00770.00938.00
1107.00
1279.00
1451.00
1625.00
12000
14000
200.00245.00290.00336.00382.00429.00524.00619.00716.00814.00913.00
1113.00
1314.00
1517.00
1722.00
1928.00
230.00282.00334.00387.00440.00494.00604.00714.00826.00939.00
1053.00
1284.00
1516.00
1692.00
1751.00
1988.00
Profile and design 2M
Belt width
[mm]
Factor
Standard
3
Standard
6
Standard
9
12
0.28
0.61
1.00
1.44
POWER RATINGS
Table 21
Speed of the
small pulley
nk [min-1]
101214161820242832404856647280
9.5511.4613.3715.2817.1919.1022.9226.7430.5638.2045.8453.4861.1268.7576.39
20
40
60
100
200
1.61.61.61.63.23.23.24.84.86.49.6
11.2
12.8
12.8
14.4
3.23.23.24.84.84.86.48.09.6
14.4
17.6
20.9
24.1
27.3
31.0
3.2 4.8 4.8 6.4 8.0 8.011.212.816.020.927.332.637.440.645.5
6.4 8.0 9.611.212.814.417.620.925.734.245.553.562.068.476.5
12.816.017.620.924.127.335.843.951.970.189.8
107.5
122.5
136.9
153.5
300
400
500
600
700
17.620.925.729.434.239.048.758.870.194.7
120.9
142.2
163.1
182.9
204.3
20.925.731.037.442.248.760.473.386.6
116.0
147.1
174.9
199.5
225.7
249.7
25.7 31.0 37.4 43.9 50.3 57.2 71.7 86.6101.1135.3173.3204.3233.7263.1292.5
29.4 35.8 43.9 50.3 57.2 65.2 81.3 97.9116.0155.1196.3232.1266.3298.9331.6
32.6 40.6 48.7 57.2 65.2 73.3 91.4110.7130.5173.3218.7259.9295.7333.2371.1
optibelt OMEGA
800
900
950
1000
1200
37.4
40.6
42.2
43.9
50.3
45.5
48.7
51.9
53.5
62.0
1400
1450
1600
1800
2000
57.2
58.8
63.6
68.4
74.9
70.1 82.9 96.3110.7124.1153.5184.5217.1286.1357.8421.9482.4541.2601.6
71.7 85.0 99.5112.8127.3158.3189.3223.5292.5367.9431.6493.6554.0616.0
76.5 91.4105.9122.5136.9170.1204.3240.1313.9394.1462.6527.8593.6658.8
85.0101.1117.6133.7150.3186.1221.9261.5341.7426.7501.6573.8643.9714.4
91.4109.1125.7145.5163.1201.1241.7282.9369.5459.4541.2616.0691.4766.8
2400
2850
3200
3600
4000
86.0106.0126.0145.0167.0188.0231.0277.0323.0421.0523.0614.0700.0785.0869.0
98.0119.0141.0163.0186.0211.0259.0309.0362.0470.0582.0682.0777.0869.0961.0
108.0132.0157.0182.0206.0232.0286.0342.0398.0516.0637.0746.0847.0947.0
1046.0
119.0144.0172.0198.0226.0254.0313.0372.0434.0560.0690.0806.0915.0
1020.0
1123.0
129.0157.0185.0214.0245.0275.0337.0401.0467.0603.0739.0862.0977.0
1087.0
1192.0
5000
6000
7000
8000
10000
154.0186.0219.0254.0290.0324.0398.0472.0547.0700.0854.0988.0
1111.0
1228.0
1334.0
177.0214.0252.0291.0331.0372.0454.0536.0619.0788.0952.0
1093.0
1218.0
1331.0
1428.0
198.0241.0283.0327.0372.0416.0506.0596.0687.0865.0
1034.0
1177.0
1295.0
1393.0
1469.0
219.0267.0313.0362.0409.0457.0555.0652.0747.0933.0
1103.0
1236.0
1338.0
1411.0
1451.0
260.0314.0370.0424.0480.0534.0644.0749.0851.0
1034.0
1187.0
1280.0
1318.0
1298.0
1211.0
12000
14000
298.0360.0421.0483.0544.0603.0718.0828.0928.0
1092.0
1195.0
1211.0
1133.0
334.0401.0469.0536.0600.0662.0780.0887.0977.0
1098.0
1120.0
1010.0
53.5
58.8
62.0
63.6
73.3
63.6
68.4
71.7
74.9
85.0
71.7 81.3101.1122.5143.9190.9241.7284.5325.1366.3407.0
78.1 89.8110.7133.7156.7207.5261.5309.1352.9397.3441.2
81.3 93.0116.0138.5163.1215.5272.7321.9367.9413.4459.4
85.0 96.3119.3143.9170.1223.5282.9333.2380.7428.3475.4
97.9110.7136.9164.7194.1255.1321.9379.1433.2487.2539.6
Belt width
[mm]
Factor
3
Standard
6
Standard
9
12
Standard
15
20
25
0.28
0.61
1.00
1.44
1.87
2.63
3.40
POWER RATINGS
Table 22
Speed of the
small pulley
nk [min-1]
141618202428323640444856647280
22.2825.4628.6531.8338.2044.5650.9357.3063.6670.0376.3989.13
101.86
114.59
127.32
20
40
60
100
200
3.7 4.9 5.8 6.9 8.911.013.015.017.019.922.826.830.834.038.0
8.911.011.813.817.921.025.930.034.940.145.053.961.168.976.9
13.015.917.921.025.932.038.045.051.959.968.080.191.9
103.2
115.0
21.925.930.034.944.153.964.074.987.0
100.0
113.0
134.3
153.3
172.3
192.2
45.0 53.0 61.1 68.9 88.2107.2128.2150.1174.4199.4226.2268.6306.6345.5383.9
300
400
500
600
700
61.0 72.0 83.0 94.0119.0145.0172.0202.0233.0266.0300.0356.0407.0458.0509.0
76.0 90.0103.0117.0147.0179.0213.0249.0286.0326.0368.0436.0498.0561.0623.0
91.0106.0122.0139.0174.0211.0251.0292.0336.0382.0430.0510.0583.0656.0728.0
104.0122.0140.0159.0199.0241.0286.0334.0383.0435.0489.0580.0662.0745.0827.0
117.0137.0158.0179.0223.0271.0321.0373.0428.0485.0545.0646.0738.0829.0921.0
800
900
950
1000
1200
130.0152.0174.0198.0247.0299.0353.0411.0471.0533.0598.0709.0809.0910.0
1010.0
142.0166.0191.0216.0269.0326.0385.0447.0512.0580.0650.0769.0879.0987.0
1096.0
148.0173.0199.0225.0280.0339.0401.0465.0532.0603.0675.0799.0912.0
1025.0
1137.0
154.0180.0206.0234.0291.0352.0416.0483.0552.0625.0699.0828.0945.0
1062.0
1178.0
177.0207.0237.0268.0334.0403.0475.0551.0629.0710.0794.0939.0
1072.0
1204.0
1334.0
1400
1450
1600
1800
2000
199.0232.0266.0301.0375.0451.0532.0615.0702.0791.0884.0
1044.0
1191.0
1336.0
1480.0
205.0239.0274.0309.0384.0463.0545.0631.0720.0811.0905.0
1070.0
1220.0
1368.0
1515.0
221.0257.0295.0333.0414.0498.0586.0677.0771.0869.0969.0
1144.0
1303.0
1461.0
1617.0
242.0281.0322.0364.0451.0543.0638.0736.0838.0943.0
1050.0
1239.0
1410.0
1578.0
1745.0
262.0305.0349.0394.0488.0586.0688.0794.0902.0
1014.0
1128.0
1329.0
1511.0
1689.0
1864.0
2400
2850
3200
3600
4000
301.0
338.0
374.0
409.0
443.0
350.0
393.0
434.0
474.0
513.0
5000
6000
7000
8000
10000
523.0
598.0
669.0
735.0
854.0
605.0 688.0 772.0 943.01115.01288.01459.01628.01792.01951.02212.02402.02541.02623.0
690.0 783.0 877.01064.01250.01433.01610.01778.01937.02084.02301.02411.02434.02358.0
769.0 870.0 971.01171.01365.01550.01722.01880.02019.02137.02268.02245.0
843.0 950.01057.01264.01459.01637.01794.01927.02031.02101.02100.0
972.01088.01199.01403.01577.01714.01804.01842.01819.01729.0
12000
14000
956.01078.01193.01299.01476.01594.01643.01609.0
1039.01158.01264.01354.01473.01495.01403.0
optibelt OMEGA
400.0
449.0
496.0
541.0
585.0
451.0
506.0
559.0
609.0
658.0
558.0
625.0
688.0
749.0
808.0
669.0 784.0 902.01024.01148.01274.01497.01697.01891.02079.0
748.0 874.01004.01137.01272.01408.01649.01863.02067.02262.0
822.0 960.01100.01242.01386.01531.01786.02008.02217.02411.0
893.01040.01190.01340.01492.01644.01908.02134.02340.02526.0
961.01116.01274.01431.01589.01745.02015.02238.02436.02604.0
Belt width
[mm]
Factor
56 6
Standard
9
12
Standard
15
20
Standard
25
30
0.61
1.00
1.44
1.87
2.63
3.40
4.15
POWER RATINGS
Table 23
Nominal power PN [kW] for profile and design 8M and a timing belt width of 20 mm
Speed of the
small pulley
nk [min-1]
2224262830323436384044485256647280
56.02 61.12 66.21 71.30 76.39 81.49 86.58 91.67 96.77101.86112.05122.23132.42142.60162.97183.35203.72
10
20
50
100
200
0.0150.0180.0220.0260.0290.0360.0420.0460.0530.0570.0610.0680.0720.0780.0870.0970.106
0.0330.0370.0440.0510.0620.0720.0820.0930.1060.1140.1250.1350.1440.1540.1730.1940.213
0.0810.0920.1100.1320.1540.1790.2070.2340.2620.2830.3100.3360.3610.3860.4350.4830.532
0.1650.1830.2230.2640.3110.3590.4120.4660.5260.5660.6210.6710.7220.7700.8700.9671.064
0.3260.3700.4470.5310.6230.7200.8230.9331.0511.1311.2391.3401.4421.5411.7391.9332.125
300
400
500
600
700
0.4910.5350.6450.7660.8971.0401.1901.3401.5101.6401.7801.9302.0702.2202.5002.7703.050
0.6520.7110.8390.9931.1651.3401.5401.7401.9602.1202.3102.5002.6802.8703.2303.5903.940
0.8100.8901.0201.2201.4201.6401.8802.1302.3902.5902.8203.0503.2703.5003.9404.3704.800
0.9801.0701.2101.4301.6701.9302.2102.5102.8203.0503.3203.5903.8504.1104.6305.1305.630
1.1401.2401.3801.6401.9202.2202.5402.8803.2303.5003.8104.1104.4104.7105.3005.8706.440
800
950
1000
1200
1450
1.3001.4201.5601.8502.1702.5002.8603.2403.6403.9404.2804.6304.9705.3005.9606.6007.230
1.5501.6901.8302.1602.5202.9103.3303.7704.2404.5804.9905.3805.7706.1606.9107.6508.370
1.6301.7701.9302.2602.6403.0503.4803.9504.4404.8005.2205.6306.0406.4407.2307.9908.740
1.9502.1302.3102.6503.1003.5804.0904.6305.2105.6306.1206.6007.0707.5408.4409.320
10.170
2.3502.5702.7903.1303.6604.2304.8305.4706.1406.6407.2107.7708.3108.8509.890
10.900
11.850
1600
1800
2000
2200
2500
2.5902.8303.0703.4203.9904.6105.2605.9606.6907.2307.8408.4409.0309.610
10.730
11.790
12.800
2.9203.1803.4503.7804.4205.1005.8206.5907.4007.9908.6709.3209.960
10.590
11.790
12.920
13.990
3.2303.5203.8204.1804.8405.5806.3707.2108.0908.7409.470
10.170
10.860
11.530
12.800
13.990
15.090
3.5503.8704.1904.5905.2506.0506.9107.8208.7709.470
10.240
11.000
11.730
12.430
13.760
14.980
16.090
4.020 4.380 4.750 5.190 5.840 6.740 7.690 8.690 9.75010.52011.36012.18012.95013.70015.09016.32017.400
2850
3000
3500
4000
4500
4.570 4.970 5.380 5.880 6.510 7.510 8.560 9.67010.85011.69012.60013.47014.29015.06016.46017.65018.620
4.800 5.220 5.650 6.170 6.790 7.820 8.92010.08011.30012.18013.11013.99014.82015.60016.99018.14019.040
7.720 8.84010.07011.37012.73013.70014.68015.60016.44017.20018.47019.38019.890
9.78011.13012.55014.04015.09016.09016.99017.79018.470
12.090
13.620
15.230
16.320
17.300
18.140
18.840
5000
5500
6000
14.580
16.270
17.400
18.310
19.040
19.570
17.170
18.310
19.100
17.910
19.040
19.650
optibelt OMEGA
Standard belt width
[mm]
Factor
20
30
50
85
1.00
1.58
2.73
4.74
POWER RATINGS
Table 24
Nominal power PN [kW] for profile and design 14M and a timing belt width of 40 mm
Speed of the
small pulley
nk [min-1]
2829303234363840424446485256647280
124.78129.23133.69142.60151.52160.43169.34178.25187.17196.08204.99213.90231.73249.55285.21320.86356.51
10
20
40
60
100
0.170.200.200.230.290.300.340.360.380.400.420.440.490.530.610.680.74
0.350.370.430.490.550.630.680.720.760.800.830.890.971.041.191.341.50
0.720.780.840.981.101.251.341.421.521.591.691.761.932.102.392.692.99
1.071.151.271.441.641.882.032.142.272.392.522.652.903.143.584.034.49
1.791.932.102.422.773.113.373.583.794.004.204.414.855.235.986.727.48
200
300
400
500
600
3.603.904.204.805.506.206.807.207.608.008.408.909.70
10.50
12.00
13.50
15.00
4.90 5.30 5.70 6.60 7.50 8.50 9.20 9.7010.3010.8011.4012.0013.1014.2016.5018.9021.30
6.10 6.60 7.10 8.20 9.3010.5011.4012.0012.7013.3014.0014.7016.1017.4020.1022.9025.80
7.20 7.80 8.40 9.6011.0012.3013.3014.1014.8015.6016.4017.2018.7020.2023.3026.4029.60
8.20 8.90 9.5011.0012.5014.0015.1015.9016.8017.7018.5019.4021.1022.7026.1029.5032.90
700
800
950
1000
1200
9.10 9.9010.6012.2013.9015.6016.8017.7018.6019.5020.5021.4023.2025.0028.6032.2035.80
10.0010.8011.6013.4015.1017.0018.3019.3020.3021.3022.2023.2025.2027.0030.8034.5038.20
11.3012.1013.1014.9016.9019.0020.4021.4022.5023.6024.6025.7027.7029.7033.6037.4041.10
11.6012.6013.5015.4017.5019.6021.0022.1023.2024.3025.4026.5028.5030.5034.4038.2041.90
13.1014.1015.1017.3019.5021.8023.4024.5025.7026.8028.0029.1031.2033.2037.1040.7044.10
1450
1600
1800
2000
2200
14.6015.7016.9019.2021.7024.2025.9027.1028.3029.4030.6031.7033.8035.7039.2042.3044.80
15.4016.6017.8020.3022.8025.5027.1028.3029.5030.7031.8032.9034.9036.6039.8042.3044.10
16.4017.7018.9021.5024.1026.8028.5029.7030.9032.0033.0034.0035.8037.3039.8041.3043.00
17.3018.6019.8022.5025.2028.0029.7030.8031.9032.9033.8034.7036.2037.4038.90
18.6019.3020.6023.3026.1028.9030.5031.5032.5033.4034.2035.0036.1036.70
2400
2600
2850
3000
3500
20.1020.7021.3024.0026.7029.5031.1032.0032.8033.5034.2034.7035.3035.40
21.5022.1022.7024.4027.2029.9031.4032.1032.7033.2033.7033.9034.00
23.1023.8024.4025.6027.4030.0031.3031.8032.1032.3032.4032.3031.70
24.1024.7025.3026.5027.5030.1031.0031.6031.5031.5031.4031.60
28.0029.1030.0030.7031.2031.5031.70
4000
30.80
31.40
optibelt OMEGA
Standard belt width
[mm]
Factor
40
55
85
115
170
1.00
1.50
2.50
3.47
5.28
optibelt OMEGA HL
optibelt OMEGA HP
optibelt OMEGA
optibelt OMEGA FAN POWER
optibelt OMEGA linear
optibelt OMEGA HP linear
optibelt OMEGA
double-sided
optibelt ZR
optibelt ZR linear
optibelt STD © Arntz OPTIBELT Group, Germany 59
POWER RATINGS
optibelt ZR Profile MXL
Nominal power PN [W] AT THE BELT WIDTH OF 1" ≙ 25,4 mm
Table 25
Number of teeth
of the small 10 MXL timing belt pulley
12 MXL 14 MXL
15 MXL 16 MXL 18 MXL 20 MXL
22 MXL 24 MXL 28 MXL
Pitch diameter
6.47 7.76 9.06 9.7010.3511.6412.9414.2315.5218.11
[mm]
0.620.620.740.870.870.991.121.241.361.61
2.232.733.103.353.604.094.464.965.336.32
3.354.094.715.085.336.086.707.448.069.42
5.58 6.70 7.81 8.43 8.9310.0411.1612.2813.3915.75
11.1613.3915.7516.8617.9820.2122.4424.6826.9131.37
400
600
800
1000
1200
14.6426.9131.3733.6035.8440.3044.8949.3553.8262.74
33.6040.3047.1250.4754.9360.5167.2174.0380.7294.12
44.8953.8262.7467.3371.6780.7289.6598.58
107.63
125.49
56.05 67.21 78.49 84.07 89.65100.81112.10123.26134.54156.86
67.21 80.72 94.24100.94107.63121.02134.54147.93161.45188.23
1400
1600
1800
2000
2400
78.49 94.12109.86117.30125.49141.24156.86172.61188.23219.73
89.65107.63125.24135.16143.47161.45142.10197.28215.14251.10
100.81121.02141.36151.28161.45181.54201.75221.96242.05282.47
112.10134.54157.48168.64179.30201.75224.19246.51268.96313.84
134.54161.45188.48202.12215.14242.05268.96295.86322.77376.59
2800
3200
3600
4000
5000
156.86188.23219.48235.60251.10282.47313.84345.22376.59439.33
179.30215.14251.72269.08286.94322.77358.61394.44430.40502.08
201.75242.05282.72302.56322.77363.07403.50443.80484.22564.82
224.19268.96313.72336.04358.61403.50448.26493.15537.91627.56
280.24336.29391.84420.36448.26504.31560.36616.40672.45784.55
6000
8000
10000
12000
14000
336.29403.50471.20504.68537.91605.24672.45739.66806.99941.41
448.26537.91627.44673.32729.74806.99896.64986.30
1075.95
1255.25
560.36 672.45 784.92 840.72 896.641008.741120.711232.811344.901569.10
672.45 806.99 942.401009.361075.951210.361344.901479.441613.861882.82
784.55 941.411098.641176.761255.251412.111569.101725.961882.822196.66
Rotary frequency of the small timing belt pulley [min-1]
10
40
60
100
200
optibelt ZR
Profile and design MXL
Belt code
Belt width [mm]
012
3.18
019
4.76
025
6.35
031
7.94
037
9.53
043
11.11
0.50
12.70
063
15.88
075
19.05
Factor
0.06
0.12
0.18
0.24
0.30
0.36
0.42
0.57
0.71
POWER RATINGS
optibelt ZR Profile MXL
Nominal power PN [W] AT THE BELT WIDTH OF 1" ≙ 25,4 mm
Table 26
Number of teeth
of the small
timing belt pulley
19.4020.7023.2925.8727.1731.0538.8146.5751.74
Pitch diameter
[mm]
1.741.741.982.232.362.733.354.094.46
6.70 7.19 8.06 8.93 9.4210.7913.3916.1217.98
10.0410.7912.1513.3914.1416.1220.2124.1826.91
16.8617.9820.2122.4423.5626.9133.6040.3044.89
33.6035.8440.3044.8947.1253.8267.2180.7289.65
10
40
60
100
200
67.21 71.67 80.72 89.65 94.12107.63134.54161.45179.30
100.81107.63121.02134.54141.24161.45201.75242.05268.96
134.54143.47161.45179.30188.23215.14268.96322.77358.61
168.14179.30201.75224.19235.35268.96336.29403.50448.26
201.75215.14242.05268.96282.47322.77403.50484.22537.91
400
600
800
1000
1200
235.35251.10282.47313.84329.47376.59470.70564.82627.56
268.96286.94322.77358.61376.59430.40537.91645.54717.34
302.56322.77363.07403.50423.58484.22605.24726.27806.99
336.29358.61403.50448.26470.70537.91672.45806.99896.64
403.50430.40484.22537.91564.82645.54806.99968.32
1075.95
1400
1600
1800
2000
2400
470.70502.08564.82621.98659.06753.18941.41
1129.76
1255.25
537.91573.87645.54717.34753.18860.68
1075.95
1291.09
1434.56
605.24645.54726.27806.99847.29968.32
1210.36
1452.54
1613.86
672.45 717.34 806.99 896.64 941.411075.951344.901613.861793.16
840.60 896.641008.741120.711176.761344.901681.192017.362241.55
2800
3200
3600
4000
5000
1008.741075.951210.361344.901412.111613.862017.362420.852689.81
1344.901434.561613.861793.161882.822151.902689.813227.723586.45
1681.191793.162017.362241.552353.642689.813362.264034.714482.97
2017.362151.902420.852689.812824.353227.724034.714841.705379.62
2353.642510.502824.353138.073295.053765.764707.165648.576276.26
6000
8000
10000
12000
14000
30 MXL 32 MXL 36 MXL 40 MXL 42 MXL 48 MXL 60 MXL 72 MXL optibelt ZR
80 MXL
Profile and design MXL
Belt code
Belt width [mm]
012
3.18
019
4.76
025
6.35
031
7.94
037
9.53
043
11.11
0.50
12.70
063
15.88
075
19.05
Factor
0.06
0.12
0.18
0.24
0.30
0.36
0.42
0.57
0.71
POWER RATINGS
optibelt ZR Profile XL
Nominal power PN [kW] AT THE BELT WIDTH OF 1" ≙ 25,4 mm
Table 27
Number of teeth
of the small timing belt pulley
10 XL
11 XL
12 XL
13 XL
14 XL
15 XL
16 XL
17 XL
18 XL
19 XL
20 XL
Pitch diameter
16.1717.7919.4021.0222.6424.2625.8727.4929.1130.7232.34
[mm]
0.010.010.010.020.020.020.020.030.030.030.03
0.030.030.040.040.040.040.050.050.050.060.06
0.040.050.050.060.070.070.070.080.080.090.09
0.060.070.070.080.080.090.100.100.100.110.12
0.070.080.090.100.100.110.120.130.130.140.15
600
700
800
900
1000
0.090.100.100.120.130.130.140.150.160.170.18
0.100.110.130.140.150.160.170.180.190.200.21
0.120.130.140.160.170.180.190.210.220.240.25
0.130.150.160.180.190.200.220.240.250.270.28
0.150.160.180.200.220.230.250.270.280.300.31
1100
1200
1300
1400
1500
0.160.190.190.210.230.250.270.290.300.320.34
0.180.200.220.240.250.280.290.310.330.350.37
0.190.220.230.260.280.300.310.340.360.380.40
0.210.230.250.280.300.320.340.370.390.410.43
0.220.250.270.300.320.340.370.390.410.440.46
1600
1800
2000
2200
2400
0.250.270.300.320.340.370.400.420.440.460.48
0.280.300.330.360.380.410.440.470.490.520.55
0.310.340.370.400.430.460.480.520.550.580.61
0.340.370.400.440.470.510.540.570.600.640.67
0.370.400.440.480.510.550.590.630.660.700.73
2600
2800
3000
3200
3400
0.400.430.480.520.550.600.630.680.720.760.79
0.430.470.510.560.600.640.690.730.770.820.86
0.460.500.550.600.640.690.730.780.820.870.92
0.480.540.590.640.680.730.780.830.880.930.97
0.510.570.620.670 720.780.830.880.930.981.03
3600
3800
4000
4200
4400
0.550.600.660.720.770.820.880.930.981.041.09
0.580.620.690.750.810.870.930.991.041.101.15
0.610.670.730.800.860.920.971.031.091.161.22
0.640.700.770.840.900.951.021.081.141.211.28
0.670.740.810.870.931.001.071.141.201.271.33
4600
4800
5000
5500
6000
0.700.770.840.910.981.041.121.191.251.321.39
0.730.800.880.951.021.091.161.241.311.381.45
0.760.840.920.991.061.131.221.291.361.431.50
0.860.931.011.091.181.251.331.411.491.571.64
0.931.011.101.191.291.361.451.531.611.701.78
6500
7000
7500
8000
8500
1.011.101.201.291.381.461.561.661.751.841.92
1.081.181.291.391.491.571.671.771.861.962.05
1.161.271.371.471.581.681.781.881.982.082.18
1.231.341.461.571.681.781 881.982.102.212.31
1.301.421.541.651.771.882.002.102.222.332.43
9000
9500
10000
1.371.501.631.751.871.982.102.212.332.442.54
1.441.571.711.831.962.082.202.322.452.562.66
1.521.651.791.922.052.182.302.422.542.662.77
100
200
300
400
500
optibelt ZR
When using this timing belt pulley the operational life will be reduced.
Profile and design XL
Belt code
Belt width [mm]
019
4.76
025
6.35
031
7.94
037
9.53
043
11.11
0.50
12.70
063
15.88
075
19.05
100
25.40
Factor
0.12
0.18
0.24
0.30
0.36
0.42
0.57
0.71
1.00
POWER RATINGS
optibelt ZR Profile XL
Table 28
Number of teeth
of the small
timing belt pulley
33.9635.5737.1938.8140.4342.0443.6745.2846.8948.51
Pitch diameter
[mm]
0.030.030.040.040.040.040.040.040.040.04
0.060.070.070.070.070.080.080.080.090.09
0.100.100.100.100.110.120.130.130.130.13
0.130.130.140.140.150.160.170.170.180.18
0.160.160.170.180.190.200.210.220.220.22
100
200
300
400
500
0.190.200.210.220.230.240.250.250.270.28
0.220.230.240.250.270.280.290.300.310.32
0.250.270.290.300.310.320.330.340.360.37
0.290.300.320.330.350.360.370.380.400.41
0.320.340.360.370.390.400.420.430.450.46
600
700
800
900
1000
0.350.370.390.400.420.440.460.470.490.51
0.390.400.420.440.460.480.500.510.530.55
0.420.430.460.480.500.520.540.550.580.60
0.450.470.490.510.540.560.580.600.620.64
0.480.500.530.550.580.600.620.640.670.69
1100
1200
1300
1400
1500
0.510.540.570.590.620.640.660.680.710.73
0.570.600.630.660.690.710.740.770.800.82
0.640.670.700.730.770.800.830.860.890.92
0.700.740.780.810.840.870.900.930.971.00
0.770.800.840.880.920.950.991.021.061.09
1600
1800
2000
2200
2400
0.840.870.900.930.981.021.061.101.141.18
0.900.940.981.021.071.111.151.191.241.28
0.951.001.051.091.141.191.241.281.321.36
1.021.071.121.161.211.261.311.351.401.45
1.081.131.191.241.291.341.391.431.481.53
2600
2800
3000
3200
3400
1.151.201.261.311.361.411.461.511.561.61
1.211.271.321.371.431.481.541.591.641.69
1.291.331.391.451.511.561.621.671.731.78
1.331.391.451.511.571.631.691.751.811.86
1.391.451.521.581.651.711.771.831.891.95
3600
3800
4000
4200
4400
1.451.521.591.651.721.781.841.901.962.02
1.511.591.661.721.791.851.921.982.042.10
1.571.641.711.781.851.921.992.052.122.18
1.721.801.881.952.022.092.162.232.302.37
1.861.952.032.102.182.262.342.412.482.54
4600
4800
5000
5500
6000
2.012.092.182.262.342.412.482.552.642.72
2.142.232.322.412.492.572.652.722.792.86
2.282.372.462.542.622.702.782.862.943.01
2.412.492.592.682.762.842.923.003.073.14
2.532.632.722.802.892.973.053.133.203.26
6500
7000
7500
8000
8500
2.652.752.842.923.003.083.163.243.303.36
2.762.862.953.043.123.193.263.333.393.45
2.862.963.053.143.213.283.353.423.473.52
9000
9500
10000
21 XL
22 XL
23 XL
24 XL
25 XL
26 XL
27 XL
28 XL
29 XL
optibelt ZR
30 XL
Profile and design XL
Belt code
Belt width [mm]
019
4.76
025
6.35
031
7.94
037
9.53
043
11.11
0.50
12.70
063
15.88
075
19.05
100
25.40
Factor
0.12
0.18
0.24
0.30
0.36
0.42
0.57
0.71
1.00
POWER RATINGS
optibelt ZR Profile L
Table 29
Number of teeth
of the small timing belt pulley
10 L 11 L 12 L 13 L 14 L 15 L 16 L 17 L 18 L 19 L 20 L 21 L 22 L 23 L 24 L 25 L 26 L 27 L 28 L 29 L
Pitch diameter
30.3233.3536.3839.4142.4545.4848.5151.5454.5757.6160.6463.6766.7069.7372.7775.8078.8381.8684.8987.93
[mm]
100
200
300
400
500
0.040.040.040.050.050.060.060.070.070.070.070.080.090.100.100.100.100.110.110.12
0.070.090.100.100.110.120.130.130.140.150.160.160.170.180.190.200.200.210.220.23
0.120.130.140.150.160.170.190.200.210.220.230.250.250.270.280.300.310.320.330.34
0.160.180.190.200.220.230.250.260.280.300.310.330.340.360.370.390.400.420.430.45
0.190.210.230.250.280.290.310.330.350.370.390.410.430.450.470.490.510.530.540.56
600
700
800
900
1000
0.230.260.280.310.330.350.370.400.420.440.470.490.510.540.560.580.600.630.650.68
0.280.310.330.350.380.410.430.460.490.510.540.570.600.630.650.680.710.740.760.79
0.310.340.370.400.430.460.500.530.560.590.620.650.690.720.750.780.810.840.870.90
0.350.390.420.460.490.520.560.600.630.660.700.730.770.810.840.870.900.940.971.01
0.390.430.460.510.540.580.620.660.700.740.780.810.850.890.930.971.001.041.081.12
1100
1200
1300
1400
1500
0.430.470.510.560.600.640.690.720.770.810.850.900.930.971.011.061.101.151.191.23
0.470.520.560.600.660.700.750.790.840.880.930.971.011.061.111.161.201.251.291.34
0.510.560.600.660.710.750.810.860.900.951.001.051.101.151.201.251.301.351.401.45
0.540.600.650.710.760.810.870.920.971.031.081.131.191.241.291.351.401.451.501.55
0.580.640.700.760.810.870.930.981.041.101.161.211.271.331.381.441.491.551.601.66
1600
1700
1800
1900
2000
0.620.690.750.810.870.930.981.051.111.171.231.291.351.411.471.531.591.651.701.76
0.660.730.790.860.920.981.051.111.181.241.311.371.431.501.561.631.691.751.811.87
0.700.770.840.900.971.041.111.181.251.311.381.451.511.581.651.721.781.851.911.98
0.740.810.880.951.031.101.171.241.311.381.451.521.601.681.731.801.871.942.012.08
0.770.860.931.011.081.161.231.311.381.451.531.601.681.751.821.891.962.032.102.18
2200
2400
2500
2600
2800
0.860.941.011.101.191.271.351.431.511.601.681.751.841.921.992.072.152.232.302.38
0.931.011.111.201.291.381.471.561.651.731.821.911.992.082.162.252.332.412.492.58
0.971.061.161.251.341.431.531.621.721.811.891.982.072.162.252.342.422.512.592.67
1.001.111.201.301.401.491.591.691.781.871.962.062.152.242.332.422.512.602.682.76
1.081.181.291.401.501.601.711.811.912.012.102.212.312.402.492.592.682.772.862.95
3000
3200
3400
3600
3800
1.171.281.381.491.601.711.821.932.042.142.252.352.452.552.652.752.842.943.033.12
1.241.361.471.591.701.821.942.042.162.272.382.492.602.702.802.913.013.113.203.30
1.311.441.561.691.811.922.052.172.292.402.512.632.742.852.963.063.163.263.363.46
1.391.521.651.771.902.042.162.292.412.532.652.772.882.993.103.213.323.423.523.52
1.461.601.731.872.012.132.262.402.542.662.782.903.023.143.253.363.463.563.663.76
4000
4200
4400
4600
4800
1.531.671.811.962.112.242.392.512.662.782.903.033.163.283.393.503.603.703.803.89
1.611.751.902.052.212.352.492.632.782.893.033.163.283.403.523.633.743.843.944.03
1.671.831.982.142.302.452.602.742.883.013.153.283.413.533.653.763.873.974.064.15
1.761.922.072.232.402.542.712.852.993.133.273.403.533.653.773.883.984.084.174.26
1.831.992.152.322.492.642.812.953.113.253.393.523.653.773.883.994.094.184.274.35
5000
5200
5400
5600
5800
1.912.082.242.412.582.742.923.063.223.363.493.633.763.883.994.104.204.294.374.45
1.982.162.332.502.672.843.013.163.323.453.603.743.863.984.094.204.304.384.464.53
2.052.242.412.592.772.933.113.263.423.563.703.833.964.084.194.294.394.464.534.59
2.132.312.492.672.853.023.203.363.523.663.803.944.064.174.274.374.464.534.604.64
2.192.382.572.762.933.113.303.453.613.763.894.034.164.264.364.454.534.594.654.68
6000
2.262.462.652.843.023.203.393.543.713.843.984.124.244.334.424.514.594.644.684.71
optibelt ZR
Profile and design L
Belt code
Belt width [mm]
025
6.35
031
7.94
037
9.53
043
11.11
0.50
12.70
063
15.88
075
19.05
100
25.40
125
31.75
Factor
0.18
0.24
0.30
0.36
0.42
0.57
0.71
1.00
1.29
POWER RATINGS
optibelt ZR Profile L
Table 30
Number of teeth
of the small
timing belt pulley
90.96 93.99 97.02100.05103.08 106.12 109.15 112.18 115.21 118.24 121.28 124.31 127.34130.37133.40136.44 139.47142.50145.53
Pitch diameter
[mm]
0.120.130.130.130.140.140.140.150.150.160.160.160.170.170.170.170.180.190.19
0.230.240.250.260.270.280.280.290.300.310.310.320.330.340.340.350.360.370.37
0.350.360.370.390.400.410.420.440.450.460.470.480.490.500.510.530.540.550.56
0.460.480.500.520.530.550.560.580.590.610.620.640.660.680.690.710.720.740.75
0.580.600.620.640.660.680.700.720.740.760.780.800.820.840.850.850.890.910.93
100
200
300
400
500
0.700.730.750.780.800.820.840.860.890.910.930.950.970.991.011.041.0610.91.11
0.810.840.870.900.920.950.971.001.031.061.081.111.141.171.191.221.241.271.29
0.930.960.981.021.051.081.111.141.171.201.231.261.291.321.351.381.411.441.47
1.041.081.111.141.181.221.251.291.321.351.381.421.451.481.511.551.581.621.65
1.161.201.231.271.311.351.381.421.461.501.531.571.611.651.681.721.751.791.82
600
700
800
900
1000
1.271.311.351.391.431.471.511.561.601.641.681.721.761.801.841.881.921.961.99
1.381.431.471.421.561.611.651.701.741.781.821.871.911.951.992.042.082.122.16
1.491.541.591.641.691.741.781.831.871.921.962.012.062.112.152.202.242.292.33
1.601.661.711.761.811.861.911.962.012.062.102.162.212.262.312.362.402.452.49
1.721.771.821.881.931.992.042.102.152.202.252.302.352.402.452.502.552.602.65
1100
1200
1300
1400
1500
1.821.881.942.002.052.112.162.222.282.342.392.452.502.552.602.652.702.752.80
1.931.992.052.112.172.232.292.352.412.472.522.582.642.702.752.812.862.912.96
2.042.102.162.232.292.352.412.472.532.592.652.712.772.832.882.942.993.053.10
2.142.212.282.352.412.472.532.602.662.722.782.842.902.963.023.083.143.203.25
2.252.322.382.452.522.592.662.722.782.842.902.973.033.103.163.223.283.343.39
1600
1700
1800
1900
2000
2.452.532.602.672.742.812.882.953.023.093.163.233.293.353.413.473.533.593.65
2.662.732.802.882.963.043.113.183.253.323.393.463.523.593.653.713.773.833.89
2.752.832.912.993.063.143.213.293.363.433.503.573.633.703.763.823.883.943.99
2.842.933.013.093.163.243.313.393.463.533.603.673.733.803.863.923.984.044.09
3.033.123.203.283.363.443.513.593.663.733.803.873.934.004.064.124.174.224.27
2200
2400
2500
2600
2800
3.213.303.393.473.553.633.713.783.853.923.994.064.124.184.244.294.344.394.43
3.393.483.563.643.723.803.883.954.024.094.164.224.284.344.394.444.484.524.56
3.553.643.723.803.883.964.044.114.184.254.314.364.414.464.514.554.584.654.65
3.713.803.893.974.044.124.194.264.324.384.444.494.534.574.614.664.694.714.71
3.853.944.034.114.184.254.324.384.434.494.544.584.614.654.684.724.744.754.72
3000
3200
3400
3600
3800
3.984.074.164.234.304.374.434.484.534.584.634.664.684.704.724.734.744.734.71
4.124.204.284.354.414.484.544.584.614.654.684.704.714.734.744.754.744.724.65
4.244.324.394.454.504.564.614.644.674.704.724.724.724.744.714.714.694.654.54
4.344.414.484.534.584.634.674.694.714.734.744.744.714.704.654.644.594.534.39
4.434.504.574.614.644.684.714.714.714.714.714.724.694.654.554.534.464.374.20
4000
4200
4400
4600
4800
4.524.584.634.664.704.724.734.774.734.714.674.664.624.564.424.384.284.153.95
4.594.644.684.704.724.744.734.744.724.704.604.574.504.414.244.194.053.903.66
4.654.684.714.754.754.754.704.724.674.604.484.454.354.234.043.963.803.613.31
4.684.714.734.774.754.734.664.644.584.494.354.304.164.023.773.673.473.262.90
4.714.724.734.754.734.684.584.554.464.364.184.103.943.763.483.353.112.852.44
5000
5200
5400
5600
5800
4.744.734.724.724.674.614.484.444.324.193.973.873.693.463.132.972.692.391.92
6000
30 L
31 L
32 L
33 L
34 L
35 L
36 L
37 L
38 L
39 L
40 L
41 L
42 L
43 L
44 L
45 L
46 L
47 L
optibelt ZR
48 L
Profile and design L
Belt code
Belt width [mm]
025
6.35
031
7.94
037
9.53
043
11.11
0.50
12.70
063
15.88
075
19.05
100
25.40
125
31.75
Factor
0.18
0.24
0.30
0.36
0.42
0.57
0.71
1.00
1.29
POWER RATINGS
optibelt ZR Profile H
Table 31
Number of teeth
of the small 14 H 15 H 16 H 17 H 18 H 19 H 20 H 21 H 22 H 23 H 24 H 25 H 26 H 27 H 28 H 29 H 30 H 31 H
timing belt pulley
Pitch diameter
56.6060.6464.6868.7272.7776.8180.8584.8988.9492.9897.02101.06105.11109.15113.19117.23121.28
125.32
[mm]
100
200
300
400
500
0.190.200.210.220.240.250.260.280.290.300.310.330.340.360.370.390.400.42
0.370.400.430.450.480.500.530.550.580.610.630.660.690.720.740.770.790.82
0.550.590.630.670.720.750.790.830.870.910.950.991.031.071.111.151.191.23
0.740.790.840.900.951.001.051.111.161.221.271.321.371.431.481.531.581.64
0.930.991.051.121.191.251.321.391.451.521.581.651.721.781.841.911.982.04
600
700
800
900
1000
1.111.191.271.341.421.511.581.661.741.821.891.972.052.132.212.292.362.44
1.291.391.481.571.661.751.841.932.032.122.212.302.392.482.572.672.762.85
1.481.591.691.791.892.002.102.212.312.422.522.632.732.842.943.053.153.26
1.661.781.892.012.132.252.362.482.602.722.832.953.073.193.303.423.543.66
1.841.972.102.242.362.502.632.762.893.023.153.283.413.543.663.793.924.05
1100
1200
1300
1400
1500
2.032.172.312.462.602.752.893.033.183.323.463.603.743.894.034.174.304.45
2.212.362.522.682.832.993.153.303.463.623.773.924.074.234.394.544.694.84
2.402.562.732.903.073.243.413.573.743.914.074.244.414.584.744.915.075.23
2.582.762.943.133.303.483.663.844.024.204.384.564.744.925.105.285.455.63
2.772.963.153.343.543.733.924.114.304.484.684.885.075.265.455.645.826.01
1600
1700
1800
1900
2000
2.963.153.363.573.773.984.184.384.594.794.995.195.395.605.806.006.196.39
3.143.343.563.784.004.214.434.654.865.085.305.515.725.936.146.356.566.77
3.343.543.774.004.234.464.684.925.145.375.595.826.046.266.486.706.927.14
3.523.784.044.224.464.704.945.185.425.665.896.136.366.606.837.067.287.51
3.703.884.184.444.684.945.195.455.695.946.186.436.686.927.167.407.647.88
2100
2200
2300
2400
2500
3.894.134.394.554.925.185.445.715.976.236.486.746.997.257.507.757.998.23
4.084.224.594.865.145.425.695.976.246.516.777.047.307.577.838.098.348.59
4.264.514.805.095.375.655.946.226.516.797.067.347.627.898.158.428.688.94
4.444.615.005.305.595.896.186.486.777.067.357.647.928.208.488.759.029.29
4.614.905.205.515.826.126.436.747.047.347.637.938.228.518.809.089.359.63
2600
2800
3000
3200
3400
4.505.095.415.726.046.366.686.997.307.617.928.228.528.829.129.359.589.91
5.155.465.806.146.486.827.157.497.838.158.478.799.119.439.74
10.03
10.32
10.61
5.505.846.196.556.927.277.637.988.348.689.019.309.589.96
10.33
10.61
10.94
11.24
5.866.226.586.977.357.738.098.478.849.199.549.89
10.24
10.58
10.91
11.22
11.53
11.68
6.206.586.967.277.788.178.568.949.339.70
10.06
10.42
10.78
11.13
11.47
11.79
12.10
12.40
3600
3800
4000
4200
4400
6.55
6.96
7.23
7.58
7.92
4600
4800
5000
5200
5400
8.25 8.71 9.19 9.7010.1810.6811.1211.5812.0312.4312.8213.2113.5913.9414.2914.5714.8515.14
8.56 9.20 9.5410.0610.5711.0611.5011.9712.4412.8313.2113.6013.9814.3314.6714.9415.2015.46
8.90 9.38 9.8910.4210.9311.4411.8812.3512.8213.2113.5913.9714.3514.6815.0115.2615.4915.71
9.21 9.7210.2310.7711.2911.8012.2412.7213.2013.5713.9414.3114.6815.0815.3215.5415.7515.96
9.5310.0410.5711.1211.6412.1612.6013.0813.5513.9114.2714.6314.9915.3115.5915.8015.9616.14
5600
5800
6000
9.8310.3610.8911.4511.9812.5012.9413.4113.8814.2714.5814.9715.2715.5815.8316.0016.1316.27
10.1510.6711.2211.7812.3112.8213.2613.7314.2014.5914.8715.2615.5215.8016.0316.1616.2516.36
10.4510.9811.5312.0912.6313.1513.5714.0414.5014.8815.1215.5115.7415.9916.1916.2816.3216.38
optibelt ZR
6.95
7.31
7.66
8.01
8.34
7.34
7.73
8.09
8.46
8.82
7.78
8.17
8.57
8.94
9.33
8.20 8.62 9.00 9.41 9.8210.1910.5610.9311.3011.6512.0012.3212.6412.94
8.61 9.04 9.45 9.8710.2910.6711.0511.4311.8012.1612.5212.8413.1513.45
9.02 9.46 9.8810.3110.7411.1311.5211.9012.2812.6413.0013.3213.6313.92
9.42 9.8810.3010.7511.1911.5811.9712.3612.7413.1113.4713.7814.0814.36
9.8110.2810.7111.1711.6212.0212.4112.8013.1813.5413.8914.1914.4914.79
Profile and design H
Belt code
Belt width [mm]
Factor
66 0.50
12.70
063
15.88
075
19.05
100
25.40
125
31.75
150
38.10
175
44.45
200
50.80
250
63.50
300
76.20
0.42
0.57
0.71
1.00
1.29
1.58
1.84
2.14
2.72
3.36
POWER RATINGS
optibelt ZR Profile H
Table 32
Number of teeth
of the small
timing belt pulley
129.36133.40137.45141.49145.53149.57153.62157.66161.70165.74169.79173.83177.87181.91185.96190.00194.04
Pitch diameter
[mm]
0.430.450.460.470.480.500.510.520.530.550.560.570.580.600.610.620.63
0.840.870.900.930.950.981.001.031.051.081.111.141.161.191.221.251.27
1.271.311.351.391.421.461.501.541.581.621.661.701.741.781.821.861.89
1.691.741.791.841.891.952.002.052.102.162.212.262.312.372.422.472.52
2.102.172.232.302.362.432.502.572.632.702.762.832.892.963.023.093.15
100
200
300
400
500
2.522.592.682.762.832.912.993.073.153.233.313.393.463.543.623.703.77
2.943.033.123.213.303.393.483.573.663.763.853.944.034.124.214.304.39
3.363.473.573.673.773.883.984.084.184.294.394.494.594.694.794.894.99
3.773.894.004.124.234.354.464.584.694.814.925.035.145.265.375.485.59
4.184.314.444.574.694.824.945.075.195.325.445.575.695.825.946.076.19
600
700
800
900
1000
4.594.734.875.015.155.295.425.565.695.835.976.116.246.386.516.646.77
4.995.145.295.445.595.745.896.046.196.346.486.636.776.927.077.227.36
5.395.565.725.886.046.206.366.526.686.846.997.157.307.467.617.777.92
5.805.976.146.316.486.656.826.997.167.337.507.677.837.998.158.318.47
6.196.386.566.746.927.107.287.467.647.827.998.178.348.518.688.859.02
1100
1200
1300
1400
1500
6.586.786.977.177.367.557.747.938.118.308.488.668.849.029.209.389.55
6.977.187.387.587.787.988.188.388.578.768.959.149.339.529.709.89
10.07
7.367.577.787.998.208.418.618.829.029.229.429.629.81
10.01
10.20
10.39
10.58
7.737.968.188.408.628.849.059.269.479.689.88
10.08
10.28
10.48
10.67
10.87
11.06
8.11 8.34 8.57 8.80 9.03 9.25 9.47 9.69 9.9010.1110.3210.5310.7410.9411.1411.3411.53
1600
1700
1800
1900
2000
8.47 8.71 8.95 9.19 9.42 9.65 9.8710.1010.3210.5410.7510.9711.1811.3911.5911.8012.00
8.84 9.09 9.33 9.58 9.8210.0510.2810.5110.7410.9611.1811.4011.6211.8312.0312.2312.43
9.20 9.46 9.71 9.9610.2110.4510.6810.9211.1511.3711.5911.8112.0312.2412.4412.6512.85
9.55 9.8110.0710.3310.5810.8211.0611.3011.5311.7611.9812.2112.4312.6412.8413.0513.25
9.9010.1710.4310.6910.9511.2011.4411.6811.9212.1512.3812.6112.8313.0313.2313.4313.63
2100
2200
2300
2400
2500
10.2410.5110.7811.0511.3111.5611.8012.0512.2912.5212.7412.9613.1813.3913.5913.7913.99
10.9011.1811.4511.7312.0012.2512.5012.7512.9913.2213.4413.6613.8814.0714.2614.4514.64
11.5311.8112.0912.3712.6512.9013.1413.3913.6313.8514.0614.2814.4914.6714.8515.0315.20
12.1412.4212.7012.9813.2613.5013.7413.9814.2214.4214.6214.8215.0215.2015.3615.5315.66
12.7012.9813.2613.5413.8214.0514.2814.5114.7414.9515.1415.3215.4815.6215.7815.9116.01
2600
2800
3000
3200
3400
13.2413.5213.7914.0714.3414.5614.7714.9915.2015.4015.5015.5915.6715.8215.9616.0716.14
13.7414.0114.2814.5514.8115.0315.2215.4015.5815.7215.7815.8015.8515.9916.1616.2316.24
14.2014.4914.7414.9815.2215.4215.6015.7615.9015.9716.0316.1116.1116.2016.2916.3516.35
14.6314.9015.1515.3515.5815.8515.9116.0416.1316.2516.2716.2916.2916.3216.3816.3516.34
15.0115.2715.4915.6715.8716.01 161316.2416.2916.3316.3516.3516.3616.3416.3016.2516.19
3600
3800
4000
4200
4400
15.3515.5815.7815.9316.1016.2116.2916.3516.3516.3816.3816.3616.3216.2816.2216.1215.90
15.6415.8416.0116.1416.2716.3316.3716.3816.3316.3216.3016.2716.1716.0115.8115.5515.46
15.8816.0716.1916.2916.3716.3816.3816.3316.2116.1516.0715.9915.8915.7215.4915.2314.87
16.0716.2316.3116.3616.4016.3616.3016.1915.9915.8515.7015.6015.4915.2815.0414.76
16.2116.3416.3716.3716.3616.2616.1315.9615.6815.5215.3515.1514.9614.5514.21
4600
4800
5000
5200
5400
16.3016.3816.3616.3216.2316.0815.8815.6315.2615.0714.8614.65
16.3316.3716.3016.1916.0415.8015.5315.2014.7314.3014.12
16.3016.2916.1615.9815.7615.4415.0814.67
5600
5800
6000
32 H
33 H
34 H
35 H
36 H
37 H
38 H
39 H
40 H
41 H
42 H
43 H
44 H
45 H
46 H
47 H
optibelt ZR
48 H
Profile and design H
Belt code
Belt width [mm]
Factor
0.50
12.70
063
15.88
075
19.05
100
25.40
125
31.75
150
38.10
175
44.45
200
50.80
250
63.50
300
76.20
0.42
0.57
0.71
1.00
1.29
1.58
1.84
2.14
2.72
3.36
POWER RATINGS
optibelt ZR Profile XH
Table 33
Number of teeth
of the small 18 XH
timing belt pulley
19 XH
20 XH
21 XH
22 XH
23 XH
24 XH
25 XH
26 XH
27 XH
28 XH
29 XH
Pitch diameter
127.34134.41141.49148.56155.64162.71169.79176.86183.94191.01198.08205.16
[mm]
100
200
300
400
500
0.570.600.630.660.690.730.750.790.830.860.880.91
1.131.191.251.321.381.451.511.571.631.701.761.82
1.701.791.881.982.072.172.262.362.452.552.642.73
2.262.392.512.592.762.893.013.143.263.393.513.63
2.822.983.133.253.443.593.743.904.064.214.364.52
600
700
800
900
1000
3.383.573.743.904.124.304.484.674.855.035.21 539
3.934.154.364.554.795.005.215.425.625.836.046.25
4.484.624.975.215.455.695.936.176.416.646.877.10
5.035.305.575.846.116.376.646.907.157.427.687.93
5.575.876.166.456.757.037.337.627.908.198.478.74
1100
1200
1300
1400
1500
6.116.436.757.077.397.708.028.328.628.939.249.53
6.656.997.337.678.028.358.689.019.339.659.97
10.32
7.177.547.908.278.638.989.339.68
10.03
10.36
10.68
11.00
7.688.088.478.849.239.609.97
10.32
10.68
11.03
11.38
11.71
8.21 8.60 9.01 9.40 9.8110.1910.5910.9411.3211.6812.0412.37
1600
1700
1800
1900
2000
8.70 9.12 9.55 9.9610.3810.7811.1811.5411.9412.3112.6712.73
9.18 9.6310.0710.4910.9411.3311.7612.1312.5312.9013.2613.60
9.6610.1110.5811.0111.4711.8812.3212.6913.1013.4613.8214.16
10.1310.6011.0611.5211.9912.4112.8513.3613.9114.1214.3514.89
10.5711.0511.5312.0012.4912.9113.3513.7314.1314.4714.8215.14
2100
2200
2300
2400
2500
11.0211.5011.9912.4812.9713.4013.8214.2014.5914.9315.2815.57
11.4111.9212.4312.9313.4313.9614.4914.7615.0215.3515.6715.94
11.8712.3612.8613.3813.8714.2914.7015.0515.4215.7116.0216.26
12.2812.7613.2613.7614.2714.6815.0815.4215.7716.0416.3216.53
12.6713.1513.6414.1414.6615.0615.4515.7616.0916.3316.5816.74
2600
2800
3000
3200
3400
13.0513.5214.0114.5115.0415.4115.7716.0616.3716.5716.7816.90
13.7314.2014.6615.1615.6916.0216.3316.5616.7816.8917.0Z17.03
14.3514.7715.2115.7116.2216.4716.7316.8717.0117.0117.0216.87
14.9015.2815.6616.1416.6316.8116.9717.0117.0216.9016.7616.45
15.3615.6815.9916.4516.9116.9817.0416.9516.8416.5416.2515.73
3600
3800
4000
4200
4400
15.8216.0316.2316.6417.0617.0116.9416.6816.4315.9415.4614.72
16.0516.1916.3516.7017.0616.8616.6415.9615.9715.1514.3413.37
16.2616.2916.3316.6217.8916.5316.1515.5014.8613.9112.94
16.3516.3516.1616.3716.5816.0115.4514.7513.6712.60
16.2616.2215.8315.9616.0815.3014.5213.2411.94
optibelt ZR
Profile and design XH
Belt code
Belt width [mm]
Factor
68 100
25.40
125
31.75
150
38.10
175
44.45
200
50.80
250
63.50
1.00
1.29
1.58
1.84
2.14
2.72
300
400
500
700
1000
76.20 101.60 127.00 177.80 254.00
3.36
4.76
6.15
8.89
13.10
POWER RATINGS
optibelt ZR Profile XH
Table 34
Number of teeth
of the small
timing belt pulley
212.23219.31226.38233.46240.53247.61254.68261.75268.63275.90282.98
Pitch diameter
[mm]
0.940.971.001.041.071.101.131.161.191.221.25
1.881.952.012.082.142.202.262.332.392.452.51
2.822.923.013.113.203.293.383.473.563.653.74
3.743.874.004.134.254.374.494.614.734.854.97
4.674.845.015.165.305.455.595.745.886.026.16
100
200
300
400
500
5.575.755.936.116.286.466.636.816.987.167.33
6.466.676.877.077.277.477.677.878.078.278.47
7.337.567.798.018.238.458.678.899.119.339.55
8.188.438.688.929.169.409.639.87
10.11
10.35
10.58
9.01 9.28 9.55 9.8110.0610.3110.5610.8211.0711.3211.57
600
700
800
900
1000
9.8110.1010.3810.6510.9111.1811.4411.7111.9712.2312.49
10.6610.9211.1811.4611.7312.0012.2712.5412.8113.0813.35
11.3211.6311.9412.2212.4912.7713.0413.3213.5913.8614.13
12.0412.3612.6712.9413.2113.4813.7514.0214.2914.5614.82
12.7013.0313.3513.6213.8814.1414.4014.6714.9315.1915.45
1100
1200
1300
1400
1500
12.7913.4214.0414.2914.5314.7715.0115.2615.5015.7415.98
13.9414.2514.5514.7915.0215.2515.4815.7115.9416.1716.40
14.4914.7915.0815.2815.4815.6815.8816.0816.2816.4816.67
15.4315.5015.5615.7415.9116.0816.2516.4216.5916.7616.93
15.4515.7215.9816.1216.2516.3816.5116.6516.7816.9117.04
1600
1700
1800
1900
2000
15.8516.0916.3216.4116.5316.5916.7716.8816.9817.0117.02
16.2016.4116.6116.7216.8216.8416.9517.0317.0116.9816.87
16.4916.6616.8216.8816.9516.9817.0216.9516.8416.7416.64
16.7316.8516.9717.0317.0417.0116.9816.8316.6616.4016.15
16.8916.9717.0417.0216.9316.8716.7016.4016.2215.9015.58
2100
2200
2300
2400
2500
17.0117.0217.0216.9516.8316.6816.5516.1515.8015.3114.86
17.0216.8816.7616.5516.2515.9115.4814.9714.3913.6612.94
16.7416.4416.1515.7615.2514.6913.9913.27
16.1515.6515.1714.5613.8112.98
15.2314.4613.7912.94
2600
2800
3000
3200
3400
13.97
12.41
3600
3800
4000
4200
4400
31 XH
32 XH
33 XH
34 XH
35 XH
36 XH
37 XH
38 XH
39 XH
optibelt ZR
13.10
40 XH
30 XH
Profile and design XH
Belt code
Belt width [mm]
Factor
100
25.40
125
31.75
150
38.10
175
44.45
200
50.80
250
63.50
1.00
1.29
1.58
1.84
2.14
2.72
300
400
500
700
1000
76.20 101.60 127.00 177.80 254.00
3.36
4.76
6.15
8.89
13.10
POWER RATINGS
optibelt ZR Profile XXH
Table 35
Number of teeth
of the small 18 XXH
timing belt pulley
19 XXH
20 XXH
21 XXH
22 XXH
23 XXH
24 XXH
25 XXH
26 XXH
27 XXH
28 XXH
29 XXH
Pitch diameter
181.91192.02202.13212.23222.34232.45242.55252.66262.77272.87282.98293.08
[mm]
100
200
300
400
500
0.991.051.101.161.221.271.321.381.431.491.541.60
1.981.092.202.312.422.532.642.752.862.973.083.19
2.973.143.303.463.623.793.954.114.274.444.604.76
3.954.174.384.594.805.025.245.465.675.886.096.30
4.955.215.455.735.986.256.516.777.037.297.557.81
600
700
800
900
1000
5.886.206.516.837.147.457.768.078.378.678.979.27
6.837.197.567.928.278.628.979.329.67
10.01
10.35
10.69
7.76 8.18 8.57 8.98 9.37 9.7710.1610.5410.9211.2911.6612.03
8.72 9.18 9.5710.0110.4410.8811.3011.7112.1112.5112.9113.31
9.5710.0210.5511.0211.4911.9512.1312.7113.2813.7014.1114.52
1100
1200
1300
1400
1500
10.4410.9711.4912.0512.6413.0413.4313.9014.3714.7915.2115.63
11.4011.8512.4012.9213.4513.9514.4514.9115.3815.8016.2216.64
12.1212.7013.2813.8114.3714.6014.8315.5716.3216.7317.1417.55
12.9013.5114.1214.6615.2315.7316.2616.7017.1817.5717.9518.34
13.6614.2814.9115.4616.0416.5417.0517.7117.9618.3118.6619.01
1600
1700
1800
1900
2000
14.3915.0315.6816.2317.0417.2817.7818.3818.6418.9519.2519.56
15.0715.7316.4016.9317.4917.9518.4318.8119.2119.4619.7019.95
15.7116.3717.0617.5818.1218.5519.0019.3319.6819.9320.1220.24
16.3116.9817.6718.1618.6819.0719.4819.7420.0420.1320.2520.30
16.8817.5418.2318.6919.1719.5119.8620.0520.2820.3520.3820.28
2100
2200
2300
2400
2500
17.3918.0518.7319.1419.5819.8420.1420.2520.3920.2920.1820.00
17.8418.5019.1719.5419.9120.1120.3220.3320.3720.2219.9819.60
18.2518.9019.5519.8420.1620.2820.3920.3020.2119.7619.4518.94
18.6019.2219.8620.0920.3220.3020.3520.1219.9119.4718.9118.19
18.9019.5022.3421.3720.3920.2820.1919.8019.4518.7518.0017.11
2600
2800
3000
19.1519.7220.2820.3220.3720.1219.9119.3618.8418.0417.10
19.4419.9220.4020.2120.0219.4618.9618.0417.1215.89
19.4919.8520.1919.7419.2418.3217.4316.0614.66
optibelt ZR
Profile and design XXH
Belt code
Belt width [mm]
Factor
70 100
25.40
125
31.75
150
38.10
175
44.45
200
50.80
250
63.50
1.00
1.29
1.58
1.84
2.14
2.72
300
400
500
700
1000
76.20 101.60 127.00 177.80 254.00
3.36
4.76
6.15
8.89
13.10
POWER RATINGS
optibelt ZR Profile XXH
Table 36
Number of teeth
of the small
timing belt pulley
303.19313.30323.40333.51343.62353.72363.83373.94384.04394.15404.25
Pitch diameter
[mm]
1.651.701.761.811.871.921.982.052.142.202.20
3.303.393.503.613.733.823.934.074.204.414.38
4.925.085.325.405.565.715.876.056.226.386.51
6.516.736.937.147.357.547.757.978.198.398.57
8.068.328.578.829.089.319.559.82
10.08
10.31
10.54
100
200
300
400
500
9.57 9.8610.1510.4310.7311.0011.2811.5611.8612.1412.40
11.0211.3411.6711.9812.3212.6012.9113.2213.5313.8314.12
12.4012.7513.1013.3413.7914.1214.3914.7515.0615.3915.68
13.7014.0814.4414.5915.1515.4915.8216.1216.5516.7617.05
14.9315.3015.6716.0216.4016.7216.9817.2417.6517.9418.23
600
700
800
900
1000
16.0416.4216.7117.0517.4917.7118.0018.2918.5518.8619.17
17.0517.4117.7618.0818.4318.7118.9719.2319.4519.6519.86
17.9618.2118.5318.8119.2119.3919.5519.7419.8920.0820.28
18.7219.0119.2919.3419.8019.9720.0820.2020.3220.3620.39
19.3619.5219.7419.9220.1920.2020.2120.2320.2120.1920.18
1100
1200
1300
1400
1500
19.8620.0320.1920.2920.3820.3320.2820.2320.0519.8619.64
20.1920.2120.2620.3020.3420.0119.7819.6619.3419.0418.73
20.3720.3820.3320.2820.0619.7319.4019.0718.5918.0217.43
20.3720.2719.9819.7419.5318.9718.4117.8417.1516.3315.50
20.1919.9519.6319.1618.7318.0317.3316.6215.7014.6513.58
1600
1700
1800
1900
2000
19.8119.3118.8018.2017.6516.6615.6714.67
19.2418.6617.9817.1716.2315.22
18.4617.5916.65
17.43
16.44
2100
2200
2300
2400
2500
31 XXH
32 XXH
33 XXH
34 XXH
35 XXH
36 XXH
37 XXH
38 XXH
39 XXH
optibelt ZR
40 XXH
30 XXH
2600
2800
3000
Profile and design XXH
Belt code
Belt width [mm]
Factor
100
25.40
125
31.75
150
38.10
175
44.45
200
50.80
250
63.50
1.00
1.29
1.58
1.84
2.14
2.72
300
400
500
700
1000
76.20 101.60 127.00 177.80 254.00
3.36
4.76
6.15
8.89
13.10
DIMENSIONS AND TOLERANCES
Timing belts with optibelt OMEGA profiles are produced in
a wide range of lengths and widths. Many special lengths,
widths and designs are available. Please contact our
Application Engineering Department for further details.
Timing belts with optibelt OMEGA profiles are produced to
ground category G2 with a thickness tolerance of ± 0.25 mm
as standard. If required, the belts can be ground to category
G1 with a thickness tolerance of ± 0.13 mm.
ht
hs
t
Table 37
Nominal dimensions and weights
Profile
2M
3M
5M
8M
D8M
14M
Tooth height ht [mm]
0.70
1.10
1.90
3.20
3.20
5.60
Total belt thickness hs [mm]
1.30
2.30
3.40
5.40
7.73
9.50
Tooth pitch t [mm]
2.00
3.00
5.00
8.00
8.00
14.00
0.013
0.024
0.035
0.058
0.067
0.100
Weight [kg/m] for 10 mm belt width
Length tolerances
Pitch length [mm]
> 250 > 500 > 750 > 1000 > 1250 > 1500 > 1750 > 2000 > 2250 > 2500 > 2750 > 3000
≤ 250 ≤ 500 ≤ 750 ≤ 1000 ≤ 1250 ≤ 1500 ≤ 1750 ≤ 2000 ≤ 2250 ≤ 2500 ≤ 2750 ≤ 3000
± 0.55
Length tolerances given as
± 0.20 ± 0.23 ± 0.27 ± 0.30 ± 0.33 ± 0.36 ± 0.39 ± 0.42 ± 0.46 ± 0.49 ± 0.52 ± 0.55
centre distance deviation
± 0.03*
Width tolerance
Standard belt width
Allowed tolerance [mm] of the timing belt
Pitch length
up to 838.2 mm
Pitch length
838.3 up to 1676.4 mm
Pitch length
over 1676.4 mm
3.0 to 11.0
+ 0.4
– 0.8
+ 0.4
– 0.8
—
11.1 to 38.1
+ 0.8
– 0.8
+ 0.8
– 0.8
+ 0.8
– 1.2
38.2 to 50.8
+ 0.8
– 1.2
+ 1.2
– 1.2
+ 1.2
– 1.6
50.9 to 63.5
+ 1.2
– 1.2
+ 1.2
– 1.6
+ 1.6
– 1.6
63.6 to 76.2
+ 1.2
– 1.6
+ 1.6
– 1.6
+ 1.6
– 2.0
76.3 to 101.6
+ 1.6
– 1.6
+ 1.6
– 2.0
+ 2.0
– 2.0
101.7 to 177.8
+ 2.4
– 2.4
+ 1.6
– 2.0
+ 2.0
– 2.0
—
—
+ 4.8
– 6.4
Nominal width [mm]
177.9 to max. * For greater lengths additional 0.03 mm should be added in length steps of 250 mm.
TIMING BELT PULLEYS
FOR TIMING BELTS IN optibelt OMEGA Profile
Profile 3M
Number
of teeth
Pitch
Outside
diameter
[mm]
Number
of teeth
Pitch
Outside
diameter
[mm]
Number
of teeth
Pitch
Outside
diameter
[mm]
Number
of teeth
Pitch
Outside
diameter
[mm]
10
11
12
13
14
9.55
8.79
10.50
9.74
11.4610.70
12.4111.65
13.3712.61
50
51
52
53
54
47.7546.99
48.7047.94
49.6648.90
50.6149.85
51.5750.81
90
91
92
93
94
85.94
86.90
87.85
88.81
89.76
85.18
86.14
87.09
88.05
89.00
130
131
132
133
134
124.14123.38
125.10124.33
126.05125.29
127.01126.24
127.96127.20
15
16
17
18
19
14.3213.56
15.2814.52
16.2315.47
17.1916.43
18.1417.38
55
56
57
58
59
52.5251.76
53.4852.72
54.4353.67
55.3954.63
56.3455.58
95
96
97
98
99
90.72
91.67
92.63
93.58
94.54
89.96
90.91
91.87
92.82
93.78
135
136
137
138
139
128.92128.15
129.87129.11
130.83130.06
131.78131.02
132.74131.97
20
21
22
23
24
19.1018.34
20.0519.29
21.0120.25
21.9621.20
22.9222.16
60
61
62
63
64
57.3056.54
58.2557.49
59.2158.45
60.1659.40
61.1260.36
100
101
102
103
104
95.49
96.45
97.40
98.36
99.31
94.73
95.69
96.64
97.60
98.55
140
141
142
143
144
133.69132.93
134.65133.88
135.60134.84
136.55135.79
137.51136.75
25
26
27
28
29
23.8723.11
24.8324.07
25.7825.02
26.7425.98
27.6926.93
65
66
67
68
69
62.0761.31
63.0362.27
63.9863.22
64.9464.18
65.8965.13
105
106
107
108
109
100.27 99.51
101.22100.46
102.18101.42
103.13102.37
104.09103.33
145
146
147
148
149
138.46137.70
139.42138.66
140.37139.61
141.33140.57
142.28141.52
30
31
32
33
34
28.6527.89
29.6028.84
30.5629.80
31.5130.75
32.4731.71
70
71
72
73
74
66.8566.09
67.8067.04
68.7567.99
69.7168.95
70.6669.90
110
111
112
113
114
105.04104.28
106.00105.24
106.95106.19
107.91107.15
108.86108.10
150 143.24142.48
35
36
37
38
39
33.4232.66
34.3833.62
35.3334.57
36.2935.53
37.2436.48
75
76
77
78
79
71.6270.86
72.5771.81
73.5372.77
74.4873.72
75.4474.68
115
116
117
118
119
109.82109.06
110.77110.01
111.73110.97
112.68111.92
113.64112.88
40
41
42
43
44
38.2037.44
39.1538.39
40.1139.35
41.0640.30
42.0241.26
80
81
82
83
84
76.3975.63
77.3576.59
78.3077.54
79.2678.50
80.2179.45
120
121
122
123
124
114.59113.83
115.55114.79
116.50115.74
117.46116.70
118.41117.65
45
46
47
48
49
42.9742.21
43.9343.17
44.8844.12
45.8445.08
46.7946.03
85
86
87
88
89
81.1780.41
82.1281.36
83.0882.32
84.0383.27
84.9984.23
125
126
127
128
129
119.37118.61
120.32119.56
121.28120.52
122.23121.47
123.19122.43
TIMING BELT PULLEYS
Profile 5M
Number
of teeth
74 Pitch
Outside
diameter
[mm]
Number
of teeth
Pitch
Outside
diameter
[mm]
Number
of teeth
Pitch
Outside
diameter
[mm]
Number
of teeth
Pitch
Outside
diameter
[mm]
12
13
14
15
16
19.1017.96
20.6919.55
22.2821.14
23.8722.73
25.4624.32
52
53
54
55
56
82.76
84.35
85.94
87.54
89.13
81.62
83.21
84.80
86.40
87.98
92
93
94
95
96
146.42145.28
148.01146.87
149.61148.47
151.20150.06
152.79151.65
132
133
134
135
136
210.08208.94
211.68210.54
213.27212.13
214.86213.72
216.45215.31
17
18
19
20
21
27.0625.92
28.6527.51
30.2429.10
31.8330.69
33.4232.28
57
58
59
60
61
90.72
92.31
93.90
95.49
97.08
89.58
91.17
92.76
94.35
95.94
97
98
99
100
101
154.38153.24
155.97154.83
157.56156.42
159.15158.01
160.75159.61
137
138
139
140
141
218.04216.90
219.63218.49
221.23220.09
222.82221.68
224.41223.27
22
23
24
25
26
35.0133.87
36.6135.47
38.2037.05
39.7938.65
41.3840.24
62
63
64
65
66
98.68 97.54
100.27 99.13
101.86100.72
103.45102.31
105.04103.90
102
103
104
105
106
162.34161.20
163.93162.79
165.52164.38
167.11165.97
168.70167.56
142
143
144
145
146
226.00224.86
227.59226.45
229.18228.04
230.77229.63
232.37231.23
27
28
29
30
31
42.9741.83
44.5643.42
46.1545.01
47.7546.60
49.3448.20
67
68
69
70
71
106.63105.49
108.23107.09
109.82108.68
111.41110.27
113.00111.86
107
108
109
110
111
170.30169.16
171.89170.75
173.48172.34
175.07173.93
176.66175.52
147
148
149
150
233.96232.82
235.55234.41
237.14236.00
238.73237.59
32
33
34
35
36
50.9349.79
52.5251.38
54.1152.97
55.7054.56
57.3056.16
72
73
74
75
76
114.59113.45
116.18115.04
117.77116.63
119.37118.23
120.96119.82
112
113
114
115
116
178.25177.11
179.85178.71
181.44180.30
183.03181.89
184.62183.48
37
38
39
40
41
58.8957.75
60.4859.34
62.0760.93
63.6662.52
65.2564.11
77
78
79
80
81
122.55121.41
124.14123.00
125.73124.59
127.32126.18
128.92127.78
117
118
119
120
121
186.21185.07
187.80186.66
189.39188.25
190.99189.85
192.58191.44
42
43
44
45
46
66.8565.71
68.4467.30
70.0368.89
71.6270.48
73.2172.07
82
83
84
85
86
130.51129.37
132.10130.96
133.69132.55
135.28134.14
136.87135.73
122
123
124
125
126
194.17193.03
195.76194.62
197.35196.21
198.94197.80
200.54199.40
47
48
49
50
51
74.8073.66
76.3975.25
77.9976.85
79.5878.43
81.1780.03
87
88
89
90
91
138.46137.32
140.06138.92
141.65140.51
143.24142.10
144.83143.69
127
128
129
130
131
202.13200.99
203.72202.58
205.31204.17
206.90205.76
208.49207.35
TIMING BELT PULLEYS
Profile 8M
Number
of teeth
Pitch
Outside
diameter
[mm]
Number
of teeth
Pitch
Outside
diameter
[mm]
Number
of teeth
Pitch
Outside
diameter
[mm]
Number
of teeth
Pitch
Outside
diameter
[mm]
22 56.02 54.65
23 58.57 57.20
24 61.12 59.75
25 63.66 62.29
26 66.21 64.84
67
68
69
70
71
170.61169.24
173.16171.79
175.71174.34
178.25176.88
180.80179.43
112
113
114
115
116
285.21283.83
287.75286.38
290.30288.93
292.85291.47
295.39294.02
157
158
159
160
161
399.80398.43
402.34400.97
404.89403.52
407.44406.07
409.98408.61
27 68.75 67.38
28 71.30 69.93
29 73.85 72.48
30 76.39 75.13
31 78.94 77.65
72
73
74
75
76
183.35181.97
185.89184.52
188.44187.07
190.99189.61
193.53192.16
117
118
119
120
121
297.94296.57
300.48299.11
303.03301.66
305.58304.21
308.12306.75
162
163
164
165
166
412.53411.16
415.08413.70
417.62416.25
420.17418.80
422.72421.34
32 81.49 80.16
33 84.03 82.68
34 86.58 85.22
35 89.13 87.76
36 91.67 90.30
77
78
79
80
81
196.08194.71
198.62197.25
201.17199.81
203.72202.35
206.26204.89
122
123
124
125
126
310.67309.30
313.22311.85
315.76314.39
318.31316.94
320.86319.48
167
168
169
170
171
425.26423.89
427.81426.44
430.35428.98
432.90431.53
435.45434.08
37 94.22 92.85
38 96.77 95.39
39 99.31 97.94
40 101.86100.49
41 104.41103.03
82
83
84
85
86
208.81207.44
211.36209.99
213.90212.53
216.45215.08
219.00217.63
127
128
129
130
131
323.41322.03
325.95324.58
328.50327.12
331.04329.67
333.59332.22
172
173
174
175
176
437.99436.62
440.54439.17
443.09441.72
445.63444.26
448.18446.81
42
43
44
45
46
106.95105.58
109.50108.13
112.05110.67
114.59113.22
117.14115.77
87
88
89
90
91
221.54220.17
224.09222.72
226.54225.27
229.18227.81
231.73230.36
132
133
134
135
136
336.14334.76
338.68337.31
341.23339.86
343.77342.40
346.32344.95
177
178
179
180
181
450.73449.36
453.27451.90
455.82454.45
458.37456.99
460.91459.54
47
48
49
50
51
119.68118.31
122.23120.86
124.78123.41
127.32125.95
129.87128.50
92
93
94
95
96
234.28232.90
236.82235.45
239.37238.00
241.92240.54
244.46243.09
137
138
139
140
141
348.87347.50
351.41350.04
353.96352.59
356.51355.14
359.05357.68
182
183
184
185
186
463.46462.09
466.01464.63
468.55467.18
471.10469.73
473.65472.27
52
53
54
55
56
132.42131.05
134.96133.59
137.51136.14
140.06138.68
142.60141.23
97
98
99
100
101
247.01245.64
249.55248.18
252.10250.73
254.65253.28
257.19255.82
142
143
144
145
146
361.60360.23
364.15362.77
366.69365.32
369.24367.87
371.79370.41
187
188
189
190
191
476.19474.82
478.74477.37
481.28479.91
483.83482.46
486.38485.01
57
58
59
60
61
145.15143.78
147.70146.32
150.24148.87
152.79151.42
155.34153.96
102
103
104
105
106
259.74258.37
262.29260.92
264.83263.46
267.38266.01
269.93268.56
147
148
149
150
151
374.33372.96
376.88375.51
379.43378.05
381.97380.60
384.52383.15
192 488.92487.55
62
63
64
65
66
157.88156.51
160.43159.06
162.97161.60
165.52164.15
168.07166.70
107
108
109
110
111
272.47271.10
275.02273.65
277.57276.19
280.11278.74
282.66281.29
152
153
154
155
156
387.06385.70
389.61388.24
392.16390.79
394.70393.33
397.25395.88
TIMING BELT PULLEYS
Profile 14M
Number
of teeth
Pitch
Outside
diameter
[mm]
28
29
30
31
32
124.78122.12
129.23126.57
133.69130.99
138.15135.46
142.60139.88
73
74
75
76
77
325.31322.52
329.77326.97
334.22331.43
338.68335.89
343.14340.34
118
119
120
121
122
525.85523.05
530.30527.51
534.76531.97
539.22536.42
543.67540.88
163
164
165
166
167
726.38723.59
730.84728.05
735.30732.50
739.75736.96
744.21741.41
33
34
35
36
37
147.06144.35
151.51148.79
155.97153.24
160.43157.68
164.88162.13
78
79
80
81
82
347.59344.80
352.05349.26
356.51353.71
360.96358.17
365.42362.63
123
124
125
126
127
548.13545.34
552.59549.79
557.04554.25
561.50558.70
565.95563.16
168
169
170
171
172
748.66745.87
753.12750.33
757.58754.78
762.03759.24
766.49763.70
38
39
40
41
42
169.34166.60
173.80171.02
178.25175.49
182.71179.92
187.17184.37
83
84
85
86
87
369.88367.08
374.33371.54
378.79375.99
383.24380.45
387.70384.91
128
129
130
131
132
570.41567.62
574.87572.07
579.32576.53
583.78580.99
588.24585.44
173
174
175
176
177
770.95768.15
775.40772.61
779.86777.06
784.32781.52
788.77785.98
43
44
45
46
47
191.62188.83
196.08193.28
200.53197.74
204.99202.30
209.45206.65
88
89
90
91
92
392.16389.36
396.61393.82
401.07398.28
405.53402.73
409.98407.19
133
134
135
136
137
592.69589.90
597.15594.35
601.61598.81
606.06603.27
610.52607.72
178
179
180
181
182
793.23790.43
797.68794.89
802.14799.35
806.60803.80
811.05808.26
48
49
50
51
52
213.90211.11
218.36215.57
222.82220.02
227.27224.48
231.73228.94
93
94
95
96
97
414.44411.64
418.90416.10
423.35420.56
427.81425.01
432.26429.47
138
139
140
141
142
614.97612.18
619.43616.64
623.89621.09
628.34625.55
632.80630.01
183
184
185
186
187
815.51812.72
819.97817.17
824.42821.63
828.88826.08
833.33830.54
53
54
55
56
57
236.19233.39
240.64237.85
245.10242.30
249.55246.76
254.01251.22
98
99
100
101
102
436.72433.93
441.18438.38
445.63442.84
450.09447.30
454.55451.75
143
144
145
146
147
637.26634.46
641.71638.92
646.17643.37
650.63647.83
655.08652.29
188
189
190
191
192
837.79835.00
842.25839.45
846.70843.91
851.16848.37
855.62852.82
58
59
60
61
62
258.47255.67
262.92260.13
267.38264.59
271.84269.04
276.29273.50
103
104
105
106
107
459.00456.21
463.46460.66
467.92465.12
472.37469.58
476.83474.03
148
149
150
151
152
659.54656.74
663.99661.20
668.45665.66
672.91670.11
677.36674.57
216 962.57959.77
63
64
65
66
67
280.75277.95
285.21282.41
289.66286.87
294.12291.32
298.57295.78
108
109
110
111
112
481.28478.49
485.74482.95
490.20487.40
494.65491.86
499.11496.32
153
154
155
156
157
681.82679.03
686.28683.48
690.73687.94
695.19692.39
699.64696.85
68
69
70
71
72
303.03300.24
307.49304.69
311.94309.15
316.40313.61
320.86318.06
113
114
115
116
117
503.57500.77
508.02505.23
512.48509.68
516.93514.14
521.39518.60
158
159
160
161
162
704.10701.31
708.56705.76
713.01710.22
717.47714.68
721.93719.13
76 Number
of teeth
Pitch
Outside
diameter
[mm]
Number
of teeth
Pitch
Outside
diameter
[mm]
Number
of teeth
Pitch
Outside
diameter
[mm]
TIMING BELT PULLEYS
optibelt ZRS HTD TIMING BELT PULLEYS FOR CYLINDRICAL BORES
Profile 3M
Design 1F
Design 6F
Design 6
Profile 3M – Tooth pitch 3 mm for belt width 6 mm
(Not available ex stock)
Finished
bore
dmax
[mm]
B
[mm]
D
[mm]
Pilot bore
d
[mm]
7.2
7.2
7.2
7.2
9.8
14.5
14.5
14.5
14.5
17.5
13.0
15.0
16.0
17.5
10.0
—
—
—
—
4
3
5
6
6
7
19.5
23.0
25.0
25.0
25.0
9.8
9.8
9.8
9.8
9.8
17.5
17.5
17.5
17.5
17.5
11.0
13.0
14.0
14.0
14.0
6
6
6
6
6
8
9
9
9
9
28.0
32.0
32.0
36.0
38.0
9.8
9.8
9.8
9.8
10.3
17.5
17.5
17.5
17.5
18.0
16.0
18.0
20.0
22.0
26.0
6
6
6
6
6
11
12
14
15
16
6
6
8
8
8
18
20
20
20
20
Designation
Number
of teeth
Design
Material
dw
[mm]
da
[mm]
DB
[mm]
10-3M-6
12-3M-6
14-3M-6
15-3M-6
16-3M-6
10
12
14
15
16
1F
1F
1F
1F
6F
Al
Al
Al
Al
Al
9.55
11.46
13.37
14.32
15.28
8.79
10.70
12.61
13.56
14.52
13.0
15.0
16.0
17.5
18.0
18-3M-6
20-3M-6
21-3M-6
22-3M-6
24-3M-6
18
20
21
22
24
6F
6F
6F
6F
6F
Al
Al
Al
Al
Al
17.19
19.10
20.05
21.01
22.92
16.43
18.34
19.29
20.25
22.16
26-3M-6
28-3M-6
30-3M-6
32-3M-6
36-3M-6
26
28
30
32
36
6F
6F
6F
6F
6F
Al
Al
Al
Al
Al
24.83
26.74
28.65
30.56
34.38
24.07
25.98
27.89
29.80
33.62
40-3M-6
44-3M-6
48-3M-6
60-3M-6
72-3M-6
40
44
48
60
72
6F
6F
6
6
6
Al
Al
Al
Al
Al
38.20
42.02
45.84
57.30
68.75
37.44 42.0
41.26 48.0
45.08 —
56.54 —
67.99 —
b1
[mm]
10.3 18.0 28.0
10.3 18.0 33.0
10.318.633.0
10.318.633.0
10.318.633.0
Weight
≈ [kg]
10-3M-9
12-3M-9
14-3M-9
15-3M-9
16-3M-9
10
12
14
15
16
1F
1F
1F
1F
6F
Al
Al
Al
Al
Al
9.55
11.46
13.37
14.32
15.28
8.79
10.70
12.61
13.56
14.52
13.0
15.0
16.0
17.5
18.0
10.2
10.2
10.2
10.2
12.8
17.5
17.5
17.5
17.5
20.6
13.0
15.0
16.0
17.5
10.0
—
—
—
—
4
3
5
6
6
7
0.004
0.006
0.007
0.008
0.007
18-3M-9
20-3M-9
21-3M-9
22-3M-9
24-3M-9
18
20
21
22
24
6F
6F
6F
6F
6F
Al
Al
Al
Al
Al
17.19
19.10
20.05
21.01
22.92
16.43
18.34
19.29
20.25
22.16
19.5
23.0
25.0
25.0
25.0
12.8
12.8
12.8
12.8
12.8
20.6
20.6
20.6
20.6
20.6
11.0
13.0
14.0
14.0
14.0
6
6
6
6
6
8
9
9
9
9
0.008
0.010
0.013
0.014
0.016
26-3M-9
28-3M-9
30-3M-9
32-3M-9
36-3M-9
26
28
30
32
36
6F
6F
6F
6F
6F
Al
Al
Al
Al
Al
24.83
26.74
28.65
30.56
34.38
24.07
25.98
27.89
29.80
33.62
28.0
32.0
32.0
36.0
38.0
12.8
12.8
12.8
12.8
13.4
20.6
20.6
20.6
20.6
22.2
16.0
18.0
20.0
22.0
26.0
6
6
6
6
6
11
12
14
15
16
0.018
0.024
0.028
0.032
0.045
40-3M-9
44-3M-9
48-3M-9
60-3M-9
72-3M-9
40
44
48
60
72
6F
6F
6
6
6
Al
Al
Al
Al
Al
38.20
42.02
45.84
57.30
68.75
37.44 42.0
41.26 48.0
45.08 —
56.54 —
67.99 —
6
6
8
8
8
18 0.055
20 0.074
20 0.074
20 0.106
20 0.145
13.4 22.2 28.0
13.4 22.2 33.0
13.422.233.0
13.422.233.0
13.422.233.0
Al = Aluminium Subject to changes due to production.
TIMING BELT PULLEYS
Profiles 3M and 5M
Design 1F
Design 6F
Design 6
Design 6W
Finished
bore
dmax
[mm]
DB
[mm]
b1
[mm]
B
[mm]
D
[mm]
Pilot bore
d
[mm]
8.79
10.70
12.61
13.56
14.52
13.0
15.0
16.0
17.5
18.0
17.0
17.0
17.0
17.0
19.5
26
26
26
26
26
13.0
15.0
16.0
17.5
10.0
—
—
—
—
4
3
5
6
6
7
0.006
0.008
0.010
0.012
0.010
17.19
19.10
20.05
21.01
22.92
16.43
18.34
19.29
20.25
22.16
19.5
23.0
25.0
25.0
25.0
19.5
19.5
19.5
19.5
19.5
26
26
26
26
26
11.0
13.0
14.0
14.0
14.0
6
6
6
6
6
8
9
9
9
9
0.012
0.014
0.016
0.018
0.020
Al
Al
Al
Al
Al
24.83
26.74
28.65
30.56
34.38
24.07
25.98
27.89
29.80
33.62
28.0
32.0
32.0
36.0
38.0
19.5
19.5
19.5
19.5
20.0
26
26
26
26
30
16.0
18.0
20.0
22.0
26.0
6
6
6
6
6
11
12
14
15
16
0.027
0.030
0.035
0.042
0.060
Al
Al
Al
Al
Al
38.20 37.44 42.0
42.02 41.26 48.0
45.84 45.08 —
57.30 56.54 —
68.75 67.99 —
20.0
20.0
20.0
20.0
20.0
30
30
30
30
30
28.0
33.0
33.0
33.0
33.0
6
6
8
8
8
18 0.075
20 0.100
200.103
200.150
200.212
da
[mm]
Number
of teeth
Design
Material
10-3M-15
12-3M-15
14-3M-15
15-3M-15
16-3M-15
10
12
14
15
16
1F
1F
1F
1F
6F
Al
Al
Al
Al
Al
9.55
11.46
13.37
14.32
15.28
18-3M-15
20-3M-15
21-3M-15
22-3M-15
24-3M-15
18
20
21
22
24
6F
6F
6F
6F
6F
Al
Al
Al
Al
Al
26-3M-15
28-3M-15
30-3M-15
32-3M-15
36-3M-15
26
28
30
32
36
6F
6F
6F
6F
6F
40-3M-15
44-3M-15
48-3M-15
60-3M-15
72-3M-15
40
44
48
60
72
6F
6F
6
6
6
Designation
dw
[mm]
Weight
≈ [kg]
12-5M-9
14-5M-9
15-5M-9
16-5M-9
18-5M-9
12
14
15
16
18
6F
6F
6F
6F
6F
St
St
St
St
St
19.10
22.28
23.87
25.46
28.65
17.96
21.14
22.73
24.32
27.51
23
25
28
28
32
14.5
14.5
14.5
14.5
14.5
20.0
20.0
20.0
20.0
20.0
13.0
14.0
16.0
16.5
20.0
4
6
6
6
6
7
8
10
10
12
0.028
0.034
0.042
0.050
0.070
20-5M-9
21-5M-9
22-5M-9
24-5M-9
26-5M-9
20
21
22
24
26
6F
6F
6F
6F
6F
St
St
St
St
St
31.83
33.42
35.01
38.20
41.38
30.69
32.28
33.87
37.06
40.24
36
38
38
42
44
14.5
14.5
14.5
14.5
14.5
22.5
22.5
22.5
22.5
22.5
23.0
24.0
25.5
27.0
30.0
6
6
6
6
6
14
14
14
16
18
0.094
0.110
0.118
0.145
0.170
28-5M-9
30-5M-9
32-5M-9
36-5M-9
40-5M-9
28
30
32
36
40
6F
6F
6F
6F
6F
St
St
St
St
St
44.56
47.75
50.93
57.30
63.66
43.42
46.61
49.79
56.16
62.52
48
51
54
60
71
14.5
14.5
14.5
14.5
14.5
22.5
22.5
22.5
22.5
22.5
30.5
35.0
38.0
38.0
38.0
6
6
8
8
8
18
20
22
22
22
0.200
0.236
0.270
0.324
0.400
44-5M-9
48-5M-9
60-5M-9
72-5M-9
44
48
60
72
6W
6W
6W
6W
Al
Al
Al
Al
70.03 68.89
76.39 75.25
95.49 94.35
114.59 113.45
—
—
—
—
14.5
14.5
14.5
14.5
25.5
25.5
25.5
25.5
38.0
45.0
45.0
45.0
8
8
8
8
22
25
25
25
0.170
0.182
0.230
0.270
Al = Aluminium St = Steel Subject to changes due to production.
TIMING BELT PULLEYS
Profile 5M
Design 6F
Design 6W
Design 6
DB
[mm]
b1
[mm]
B
[mm]
D
[mm]
Pilot bore
d
[mm]
Finished
bore
dmax
[mm]
Weight
≈ [kg]
17.96
21.14
22.73
24.32
27.51
25
25
28
28
32
20.5
20.5
20.5
20.5
20.5
26
26
26
26
26
13.0
14.0
16.0
16.5
20.0
4
6
6
6
6
7
8
10
10
12
0.034
0.046
0.056
0.064
0.086
31.83
33.42
35.01
38.20
41.38
30.69
32.28
33.87
37.06
40.24
36
38
38
42
44
20.5
20.5
20.5
20.5
20.5
26
26
26
28
28
23.0
24.0
25.5
27.0
30.0
6
6
6
6
6
14
14
14
16
18
0.112
0.130
0.140
0.180
0.220
44.56
47.75
50.93
57.30
63.66
43.42
46.61
49.79
56.16
62.52
48
51
54
60
71
20.5
20.5
20.5
20.5
20.5
28
28
28
28
28
30.5
35.0
38.0
38.0
38.0
6
6
8
8
8
18
20
22
22
22
0.250
0.300
0.350
0.426
0.520
70.03 68.89
76.39 75.25
95.49 94.35
114.59 113.45
—
—
—
—
20.5
20.5
20.5
20.5
30
30
30
30
38.0
38.0
50.0
50.0
8
8
8
8
22
25
25
25
0.225
0.187
0.305
0.375
Number
of teeth
Design
Material
12-5M-15
14-5M-15
15-5M-15
16-5M-15
18-5M-15
12
14
15
16
18
6F
6F
6F
6F
6F
St
St
St
St
St
19.10
22.28
23.87
25.46
28.65
20-5M-15
21-5M-15
22-5M-15
24-5M-15
26-5M-15
20
21
22
24
26
6F
6F
6F
6F
6F
St
St
St
St
St
28-5M-15
30-5M-15
32-5M-15
36-5M-15
40-5M-15
28
30
32
36
40
6F
6F
6F
6F
6F
St
St
St
St
St
44-5M-15
48-5M-15
60-5M-15
72-5M-15
44
48
60
72
6W
6W
6W
6W
Al
Al
Al
Al
Designation
dw
[mm]
da
[mm]
12-5M-25
14-5M-25
15-5M-25
16-5M-25
18-5M-25
12
14
15
16
18
6F
6F
6F
6F
6F
St
St
St
St
St
19.10
22.28
23.87
25.46
28.65
17.96
21.14
22.73
24.32
27.51
25
25
28
28
32
30
30
30
30
30
36
36
36
36
36
13.0
14.0
16.0
16.5
20.0
4
6
6
6
6
7
8
10
10
12
0.050
0.070
0.080
0.100
0.120
20-5M-25
21-5M-25
22-5M-25
24-5M-25
26-5M-25
20
21
22
24
26
6F
6F
6F
6F
6F
St
St
St
St
St
31.83
33.42
35.01
38.20
41.38
30.69
32.28
33.87
37.06
40.24
36
38
38
42
44
30
30
30
30
30
36
38
38
38
38
23.0
24.0
25.5
27.0
30.0
6
6
6
6
6
14
14
14
16
18
0.160
0.190
0.210
0.250
0.300
28-5M-25
30-5M-25
32-5M-25
36-5M-25
40-5M-25
28
30
32
36
40
6F
6F
6F
6F
6F
St
St
St
St
St
44.56
47.75
50.93
57.30
63.66
43.42
46.61
49.79
56.16
62.52
48
51
54
60
71
30
30
30
30
30
38
38
38
38
38
30.5
35.0
38.0
38.0
38.0
6
6
8
8
8
18
20
22
22
22
0.350
0.420
0.480
0.590
0.740
44-5M-25
48-5M-25
60-5M-25
72-5M-25
44
48
60
72
6W
6W
6W
6W
Al
Al
Al
Al
70.03 68.89
76.39 75.25
95.49 94.35
114.59 113.45
—
—
—
—
30
30
30
30
40
40
40
40
38.0
38.0
50.0
50.0
8
8
8
8
22
25
25
25
0.320
0.275
0.435
0.525
Al = Aluminium St = Steel Subject to changes due to production.
TIMING BELT PULLEYS
Profile 8M
Design 6F
Design 6WF
Design 6A
Designation
22-8M-20
24-8M-20
26-8M-20
28-8M-20
30-8M-20
32-8M-20
34-8M-20
36-8M-20
38-8M-20
40-8M-20
44-8M-20
48-8M-20
56-8M-20
64-8M-20
72-8M-20
80-8M-20
90-8M-20
112-8M-20
144-8M-20
168-8M-20
192-8M-20
Number
Design Material
of teeth
22 6F
24 6F
26 6F
28 6F
30 6F
32 6F
34 6F
36 6F
38 6F
40 6F
44 6F
48 6F
56 6WF
64 6WF
72 6WF
80 6A
90 6A
1126A
1446A
1686A
1926A
St
St
St
St
St
St
St
St
St
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
dw
[mm]
56.02
61.12
66.21
71.30
76.39
81.49
86.58
91.67
96.77
101.86
112.05
122.23
142.60
162.97
183.35
203.72
229.18
285.21
366.69
427.81
488.92
da
[mm]
DB
[mm]
54.65 60.0
59.75 66.0
64.84 71.0
69.93 75.0
75.02 83.0
80.12 87.0
85.22 91.0
90.30 98.5
95.39 103.0
100.49 106.0
110.67 119.0
120.86 127.0
141.23 148.0
161.60 168.0
181.97 192.0
202.35 —
227.81 —
283.83 —
365.32 —
426.44 —
487.55 —
b1
[mm]
B
[mm]
D
[mm]
Di
[mm]
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
43 —
45 —
50 —
50 —
55 —
60 —
70 —
70 —
75 —
75 —
75 —
75 —
80 117
80 137
80 158
90 180
90 204
90260
90341
100402
100463
Pilot
bore
d
[mm]
Finished
Weight
bore
≈ [kg]
dmax
[mm]
12
12
12
15
15
15
15
15
15
15
15
15
15
15
15
15
15
18
20
20
20
30
0.54
30
0.65
35
0.80
35
0.87
35
1.02
40
1.20
45
1.40
45
1.55
45
1.65
45
1.80
45
2.10
45
2.44
45
2.60
45
2.90
45
3.10
50 3.80
50 4.20
50 5.20
50 7.50
5510.00
5514.40
12
12
12
15
15
15
15
15
15
15
15
15
15
15
15
15
15
18
20
20
20
30
0.69
30
0.84
35
1.00
35
1.12
35
1.32
40
1.50
45
1.80
45
1.99
45
2.27
45
2.40
45
2.80
45
3.20
50
3.60
50
4.30
50
4.80
55 5.10
55 5.70
55 6.80
55 9.30
5511.40
5516.00
22-8M-30
24-8M-30
26-8M-30
28-8M-30
30-8M-30
32-8M-30
34-8M-30
36-8M-30
38-8M-30
40-8M-30
44-8M-30
48-8M-30
56-8M-30
64-8M-30
72-8M-30
80-8M-30
90-8M-30
112-8M-30
144-8M-30
168-8M-30
192-8M-30
22 6F
24 6F
26 6F
28 6F
30 6F
32 6F
34 6F
36 6F
38 6F
40 6F
44 6F
48 6F
56 6WF
64 6WF
72 6WF
80 6A
90 6A
1126A
1446A
1686A
1926A
St
St
St
St
St
St
St
St
St
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
56.02
61.12
66.21
71.30
76.39
81.49
86.58
91.67
96.77
101.86
112.05
122.23
142.60
162.97
183.35
203.72
229.18
285.21
366.69
427.81
488.92
54.65 60.0
59.75 66.0
64.84 71.0
69.93 75.0
75.02 83.0
80.12 87.0
85.22 91.0
90.30 98.5
95.39 103.0
100.49 106.0
110.67 119.0
120.86 127.0
141.23 148.0
161.60 168.0
181.97 192.0
202.35 —
227.81 —
283.83 —
365.32 —
426.44 —
487.55 —
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
43 —
45 —
50 —
50 —
55 —
60 —
70 —
70 —
75 —
75 —
75 —
75 —
90 117
90 137
95 158
100 180
100 204
100260
100341
100402
100463
St = Steel GG = Grey cast iron Subject to changes due to production.
TIMING BELT PULLEYS
Profile 8M
Design 6F
Design 10WF
Design 10A
Designation
22-8M-50
24-8M-50
26-8M-50
28-8M-50
30-8M-50
32-8M-50
34-8M-50
36-8M-50
38-8M-50
40-8M-50
44-8M-50
48-8M-50
56-8M-50
64-8M-50
72-8M-50
80-8M-50
90-8M-50
112-8M-50
144-8M-50
168-8M-50
192-8M-50
Number
of teeth
Design
22 6F
24 6F
26 6F
28 6F
30 6F
32 6F
34 6F
36 6F
38 6F
40 6F
44 6F
48 6F
56 10WF
64 10WF
72 10WF
80 10A
90 10A
11210A
14410A
16810A
19210A
Material
dw
[mm]
St
56.02
St
61.12
St
66.21
St
71.30
St
76.39
St
81.49
St
86.58
St
91.67
St
96.77
GG 101.86
GG 112.05
GG 122.23
GG 142.60
GG 162.97
GG 183.35
GG 203.72
GG 229.18
GG 285.21
GG 366.69
GG 427.81
GG 488.92
da
[mm]
DB
[mm]
54.65 60.0
59.75 66.0
64.84 71.0
70.08 75.0
75.13 83.0
80.16 87.0
85.22 91.0
90.30 98.5
95.39 103.0
100.49 106.0
110.67 119.0
120.86 127.0
141.23 148.0
161.60 168.0
181.97 192.0
202.35
—
227.81
—
283.83 —
365.32 —
426.44 —
487.55 —
b1
[mm]
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
B
[mm]
D
[mm]
Di
[mm]
Pilot
bore
d
[mm]
Finished
Weight
bore
≈ [kg]
dmax
[mm]
70
43
—
12
70
45
—
12
70
50
—
12
70
50
—
15
70
55
—
15
70
60
—
15
70
70
—
15
70
70
—
15
70
75
—
15
70
75
—
18
70
75
—
18
70
80
—
18
60
90 117 18
60 100 137 18
60 100 158 18
60 110 180 18
60 110 204 18
60 110260 18
60 110 341 20
60 120 402 20
60 130 463 20
30
1.00
30
1.20
35
1.50
35
1.67
35
1.97
40
2.27
45
2.69
45
2.97
45
3.23
45
3.50
45
3.90
45
4.30
50
5.00
55
5.60
55
6.80
60
6.90
60
8.60
60 9.60
6013.80
6516.00
7022.40
22-8M-85
24-8M-85
26-8M-85
28-8M-85
30-8M-85
32-8M-85
34-8M-85
36-8M-85
38-8M-85
40-8M-85
44-8M-85
48-8M-85
56-8M-85
64-8M-85
72-8M-85
80-8M-85
90-8M-85
112-8M-85
144-8M-85*
168-8M-85*
192-8M-85*
22 6F
24 6F
26 6F
28 6F
30 6F
32 6F
34 6F
36 6F
38 6F
40 6F
44 6F
48 6F
56 6F
64 10WF
72 10WF
80 10A
90 10A
11210A
14410A
16810A
19210A
St
56.02
St
61.12
St
66.21
St
71.30
St
76.39
St
81.49
St
86.58
St
91.67
St
96.77
GG 101.86
GG 112.05
GG 122.23
GG 142.60
GG 162.97
GG 183.35
GG 203.72
GG 229.18
GG 285.21
GG 366.69
GG 427.81
GG 488.92
54.65 60.0
59.75 66.0
64.84 71.0
70.08 75.0
75.13 83.0
80.16 87.0
85.22 91.0
90.30 98.5
95.39 103.0
100.49 106.0
110.67 119.0
120.86 127.0
141.23 148.0
161.60 168.0
181.97 192.0
202.35
—
227.81
—
283.83 —
365.32 —
426.44 —
487.55 —
95 105
95 105
95 105
95 105
95 105
95 105
95 105
95 105
95 105
95 105
95 105
95 105
95 105
95
95
95
95
95
95
95
95
95 95
95 95
95 95
95 95
43
—
12
45
—
12
50
—
12
50
—
15
55
—
15
60
—
15
70
—
15
70
—
15
75
—
15
75
—
18
75
—
18
80
—
18
80
—
20
100 137 20
110 158 20
110 180 20
110 204 20
110 260 24
120 341 24
120 402 24
130 463 24
30
1.55
30
1.90
35
2.25
35
2.55
35
3.00
40
3.57
45
4.00
45
4.50
45
4.90
45
5.20
45
6.60
45
7.60
50
9.80
55 10.40
60 11.40
60 11.10
60 13.20
6016.30
6521.50
6526.10
7030.60
St = Steel GG = Grey cast iron * Not available ex stock Subject to changes due to production.
TIMING BELT PULLEYS
Profile 14M
Design 6F
Design 6WF
Design 6A
Design 10WF
Design 10A
Designation
Number
of teeth
Design
Material
dw
[mm]
da
[mm]
DB
[mm]
b1
[mm]
B
[mm]
D
[mm]
Di
[mm]
Pilot
bore
d
[mm]
Finished
Weight
bore
≈ [kg]
dmax
[mm]
28-14M-40
29-14M-40
30-14M-40
32-14M-40
34-14M-40
28
29
30
32
34
6F
6F
6F
6F
6F
GG
GG
GG
GG
GG
124.78
129.23
133.69
142.60
151.52
122.12
126.57
130.99
139.88
148.79
127
138
138
154
160
54
54
54
54
54
69
69
69
69
69
100
100
100
100
100
—
—
—
—
—
24
24
24
24
24
60
60
60
70
70
36-14M-40
38-14M-40
40-14M-40
44-14M-40
48-14M-40
36
38
40
44
48
6F
6F
6F
6F
6WF
GG
GG
GG
GG
GG
160.43
169.34
178.25
196.08
213.90
157.68
166.60
175.49
193.28
211.11
168
183
188
211
226
54
54
54
54
54
69
69
69
69
69
100
120
120
120
135
—
—
—
—
172
24
24
24
24
24
70
7.60
70
8.28
70
9.26
70 10.32
70 11.50
56-14M-40
64-14M-40
72-14M-40
80-14M-40
90-14M-40
56
64
72
80
90
6WF
6WF
6A
6A
6A
GG
GG
GG
GG
GG
249.55
285.21
320.86
356.51
401.07
246.76
282.41
318.06
353.71
398.28
256
296
—
—
—
54
54
54
54
54
69
69
69
69
69
135
135
135
135
135
207
242
278
314
358
28
28
28
28
28
70
70
70
70
70
54
54
54
54
54
69
69
69
69
69
135 456 28
135 600 28
135 706 28
135 813 28
150 920 28
112-14M-40*1126A
144-14M-40*1446A
168-14M-40*1686A
192-14M-40*1926A
216-14M-40*2166A
GG 499.11
GG 641.71
GG 748.66
GG 855.62
GG 962.57
496.32
638.92
745.87
852.82
959.77
—
—
—
—
—
4.73
5.09
5.45
6.17
6.88
13.05
14.40
16.90
18.50
20.00
7026.70
7035.00
7044.20
7052.20
8060.00
28-14M-55
29-14M-55
30-14M-55
32-14M-55
34-14M-55
28
29
30
32
34
6F
6F
6F
6F
6F
GG
GG
GG
GG
GG
124.78
129.23
133.69
142.60
151.52
122.12
126.57
130.99
139.88
148.79
127
138
138
154
160
70
70
70
70
70
85
85
85
85
85
100
100
100
100
100
—
—
—
—
—
24
24
24
24
24
60
60
60
70
70
5.60
6.10
6.60
7.60
8.60
36-14M-55
38-14M-55
40-14M-55
44-14M-55
48-14M-55
36
38
40
44
48
6F
6F
6F
6F
10WF
GG
GG
GG
GG
GG
160.43
169.34
178.25
196.08
213.90
157.68
166.60
175.49
193.28
211.11
168
183
188
211
226
70
70
70
70
70
85
85
85
85
70
100
120
120
120
135
—
—
—
—
172
24
24
24
24
24
70
70
70
70
70
9.60
10.80
11.20
12.50
13.70
56-14M-55
64-14M-55
72-14M-55
80-14M-55
90-14M-55
56
64
72
80
90
10WF
10WF
10A
10A
10A
GG
GG
GG
GG
GG
249.55
285.21
320.86
356.51
401.07
246.76
282.41
318.06
353.71
398.28
256
296
—
—
—
70
70
70
70
70
70
70
70
70
70
135
135
135
135
135
207
242
278
314
358
28
28
28
28
28
70
70
70
70
70
14.50
15.60
18.50
20.00
22.60
70
70
70
70
70
70
70
70
70
70
135 456 28
135 600 28
135 706 28
135 813 28
150 920 28
112-14M-55*11210A
144-14M-55*14410A
168-14M-55*16810A
192-14M-55*19210A
216-14M-55*21610A
GG 499.11
GG 641.71
GG 748.66
GG 855.62
GG 962.57
496.32
638.92
745.87
852.82
959.77
—
—
—
—
—
7029.50
7039.00
7048.50
7057.80
8067.00
GG = Grey cast iron * Not available ex stock Subject to changes due to production.
TIMING BELT PULLEYS
Profile 14M
Design 6F
Design 10WF
Design 10A
Designation
Number
of teeth
Design
Material
dw
[mm]
da
[mm]
DB
[mm]
b1
[mm]
B
[mm]
D
[mm]
Di
[mm]
Pilot
bore
d
[mm]
Finished
Weight
bore
≈ [kg]
dmax
[mm]
28-14M-85
29-14M-85
30-14M-85
32-14M-85
34-14M-85
28
29
30
32
34
6F
6F
6F
6F
6F
GG
GG
GG
GG
GG
124.78
129.23
133.69
142.60
151.52
122.12
126.57
130.99
139.88
148.79
127
138
138
154
160
102
102
102
102
102
117
117
117
117
117
100
100
100
100
100
—
—
—
—
—
24
24
24
24
24
60
7.70
60
8.40
60
9.10
60 10.50
70 11.90
36-14M-85
38-14M-85
40-14M-85
44-14M-85
48-14M-85
36
38
40
44
48
6F
6F
6F
6F
6F
GG
GG
GG
GG
GG
160.43
169.34
178.25
196.08
213.90
157.68
166.60
175.49
193.28
211.11
168
183
188
211
226
102
102
102
102
102
117
117
117
117
117
100
120
135
135
150
—
—
—
—
—
32
32
32
32
32
70
70
70
70
80
13.20
15.15
17.10
23.30
25.00
56-14M-85
64-14M-85
72-14M-85
80-14M-85
90-14M-85
56
64
72
80
90
10WF
10WF
10A
10A
10A
GG
GG
GG
GG
GG
249.55
285.21
320.86
356.51
401.07
246.76
282.41
318.06
353.71
398.28
256
296
—
—
—
102
102
102
102
102
102
102
102
102
102
150
150
150
150
150
207
242
278
314
358
32
32
32
32
32
80
80
80
80
80
25.00
28.20
28.80
30.10
33.00
112-14M-85*11210A
144-14M-85*14410A
168-14M-85*16810A
192-14M-85*19210A
216-14M-85*21610A
GG 499.11
GG 641.71
GG 748.66
GG 855.62
GG 962.57
496.32
638.92
745.87
852.82
959.77
— 102102
— 102102
— 102102
— 102102
— 102102
150 456 32
150 600 32
150 706 32
165 813 32
165 920 32
8041.80
8052.40
8060.30
9070.20
9081.00
28-14M-115
29-14M-115
30-14M-115
32-14M-115
34-14M-115
28
29
30
32
34
6F
6F
6F
6F
6F
GG
GG
GG
GG
GG
124.78
129.23
133.69
142.60
151.52
122.12
126.57
130.99
139.88
148.79
127
138
138
154
160
133
133
133
133
133
148
148
148
148
148
100
100
100
100
100
—
—
—
—
—
32
32
32
32
32
60
60
60
60
70
9.20
10.20
11.20
13.20
14.80
36-14M-115
38-14M-115
40-14M-115
44-14M-115
48-14M-115
36
38
40
44
48
6F
6F
6F
6F
6F
GG
GG
GG
GG
GG
160.43
169.34
178.25
196.08
213.90
157.68
166.60
175.49
193.28
211.11
168
183
188
211
226
133
133
133
133
133
148
148
148
148
148
120
120
135
140
150
—
—
—
—
—
32
32
32
32
32
70
70
70
80
80
16.60
19.20
22.10
28.00
35.00
56-14M-115
64-14M-115
72-14M-115
80-14M-115
90-14M-115
56
64
72
80
90
6F
10WF
10A
10A
10A
GG
GG
GG
GG
GG
249.55
285.21
320.86
356.51
401.07
246.76
282.41
318.06
353.71
398.28
256
296
—
—
—
133
133
133
133
133
148
133
133
133
133
150
150
150
150
150
—
242
278
314
358
32
32
32
32
32
80
80
80
80
80
44.20
36.80
36.10
38.60
41.00
GG
GG
GG
GG
GG
499.11
641.71
748.66
855.62
962.57
496.32
638.92
745.87
852.82
959.77
32
32
32
32
32
80 54.40
90 67.80
90 75.80
90 88.30
90 98.00
112-14M-115*112 10A
144-14M-115*144 10A
168-14M-115*168 10A
192-14M-115*192 10A
216-14M-115*216 10A
—
—
—
—
—
133 133
133 133
133 133
133 133
133 133
150 456
165 600
165 706
165 813
165 920
TIMING BELT PULLEYS
Profile 14M
Design 6F
Design 10W
Design 10A
Material
dw
[mm]
da
[mm]
DB
[mm]
b1
[mm]
B
[mm]
D
[mm]
Di
[mm]
Pilot
bore
d
[mm]
6F
6F
6F
6F
6F
GG
GG
GG
GG
GG
124.78
129.23
133.69
142.60
151.52
122.12
126.57
130.99
139.88
148.79
127
138
138
154
160
187
187
187
187
187
202
202
202
202
202
100
100
100
100
100
—
—
—
—
—
32
32
32
32
32
60
60
60
60
60
13.80
14.20
15.60
18.10
20.40
36
38
40
44
48
6F
6F
6F
6F
6F
GG
GG
GG
GG
GG
160.43
169.34
178.25
196.08
213.90
157.68
166.60
175.49
193.28
211.11
168
183
188
211
226
187
187
187
187
187
202
202
202
202
202
120
135
140
160
160
—
—
—
—
—
32
32
32
32
32
70
70
85
85
85
23.50
26.50
30.10
37.80
44.50
56
64
72
80
90
6F
6F
10W
10W
10A
GG
GG
GG
GG
GG
249.55
285.21
320.86
356.51
401.07
246.76
282.41
318.06
353.71
398.28
256
296
—
—
—
187
187
187
187
187
202
202
187
187
187
160
180
180
180
180
—
—
278
314
358
32
32
32
32
38
85
100
100
100
100
61.00
81.00
61.40
65.00
68.00
10A
10A
10A
10A
10A
GG 499.11
GG 641.71
GG 748.66
GG 855.62
GG 962.57
Number
of teeth
Design
28-14M-170*
29-14M-170*
30-14M-170*
32-14M-170*
34-14M-170*
28
29
30
32
34
36-14M-170*
38-14M-170*
40-14M-170*
44-14M-170*
48-14M-170*
56-14M-170*
64-14M-170*
72-14M-170*
80-14M-170*
90-14M-170*
Designation
112-14M-170* 112
144-14M-170*144
168-14M-170*168
192-14M-170*192
216-14M-170*216
496.32
638.92
745.87
852.82
959.77
—
—
—
—
—
Finished
Weight
bore
≈ [kg]
dmax
[mm]
187 187 200 456 38
187187 220 600 38
187187 220 706 38
187187 220 813 38
187187 220 920 38
110 87.50
120114.80
120
125.00
120
136.40
120
147.00
TIMING BELT PULLEYS
optibelt ZRS HTD TIMING BELT PULLEYS FOR TAPER BUSHES
Profile 5M
Design 8F
Design 7a
Designation
Number
Mateof Design
rial
teeth
TB
TB
TB
TB
TB
34-5M-15
36-5M-15
38-5M-15
40-5M-15
44-5M-15
34
36
38
40
44
8F
8F
8F
8F
8F
TB
TB
TB
TB
TB
48-5M-15
56-5M-15
64-5M-15
72-5M-15
80-5M-15
48
56
64
72
80
8F
8F
8F
8F
8F
TB
TB
TB
TB
St
St
St
St
St
dw
[mm]
54.11
57.30
69.48
63.66
70.03
St
76.39
GG 89.13
GG 101.86
GG 114.59
GG 127.32
90-5M-15
90 7A GG 143.24
112-5M-15 112 7A GG 178.25
136-5M-15 1367AGG216.45
150-5M-15 1507AGG238.73
da
[mm]
DB
[mm]
B
[mm]
N
[mm]
V
[mm]
Z
[mm]
52.97
56.16
59.34
62.52
68.89
57.0 20.5
60.0 20.5
66.0 20.5
71.0 20.5
75.0 20.5
22
22
22
22
22
22
22
22
22
22
1.5
1.5
1.5
1.5
1.5
—
—
—
—
—
75.25 83.0 20.5 25
87.99 93.0 20.5 25
100.72 106.0 20.5 25
113.45 119.0 20.5 25
126.18 135.0 20.5 25
25
25
25
25
25
4.5
4.5
4.5
4.5
4.5
—
—
—
—
—
142.10
177.11
215.31
237.59
—
—
—
—
b1
[mm]
Di
[mm]
Taper
bush
Weight
without
bush
≈ [kg]
43
44
48
52
54
—
—
—
—
—
1008
1108
1108
1108
1108
0.190
0.200
0.250
0.310
0.400
64
70
78
90
92
—
—
—
—
—
1210
1210
1210
1610
1610
0.450
0.670
0.960
1.190
1.570
D
[mm]
20.5 25 25 2.3 — 92 — 1610 1.147
20.5 25 25 2.3 — 92 — 1610 1.940
20.532 325.8 —106— 20123.060
20.532 325.8 —106— 20123.900
Taper bush
1008
1108
1210
1610
2012
Bore d2 [mm] from ... to ...
10-25
10-28
11-32
14-42
14-50
GG= Grey cast iron
St = Steel
Subject to changes due to production.
Bore diameter d2 see page 91.
TIMING BELT PULLEYS
Profile 8M
Design 5F
Design 8F
Design 8WF
Design 8W
Design 8A
Design 3F
Design 4F
Designation
Number
Mateof Design
rial
teeth
TB 22-8M-20
TB 24-8M-20
TB 26-8M-20
TB 28-8M-20
TB 30-8M-20
TB 32-8M-20
TB 34-8M-20
TB 36-8M-20
TB 38-8M-20
TB 40-8M-20
TB 44-8M-20
TB 48-8M-20
TB 56-8M-20
TB 64-8M-20
TB 72-8M-20
TB 80-8M-20
TB 90-8M-20
22
24
26
28
30
32
34
36
38
40
44
48
56
64
72
80
90
5F GG
5F GG
5F GG
5F GG
5F GG
5F GG
5F GG
5F GG
5F GG
5F GG
8F GG
8F GG
8F GG
8WF GG
8WF GG
8W GG
8A GG
dw
[mm]
da
[mm]
56.02
61.12
66.21
71.30
76.39
81.49
86.58
91.67
96.77
101.86
112.05
122.23
142.60
162.97
183.35
203.72
229.18
54.65
59.75
64.84
69.93
75.02
80.12
85.22
90.30
95.39
100.49
110.67
120.86
141.23
161.60
181.97
202.35
227.81
DB
[mm]
60.0
66.0
71.0
75.0
83.0
87.0
91.0
98.5
103.0
106.0
119.0
127.0
148.0
168.0
192.0
—
—
b1
[mm]
B
[mm]
N
[mm]
V
[mm]
Z
[mm]
D
[mm]
Di
[mm]
Taper
bush
Weight
without
bush
≈ [kg]
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
32
32
32
32
32
32
32
22
22
22
22
22
25
25
25
25
25
32
32
32
32
32
32
32
—
—
—
—
—
—
—
—
—
—
4
4
4
4
4
4
4
6
6
6
6
6
3
3
3
3
3
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
93
96
110
110
110
110
110
41
42
46
50
58
62
65
68
72
76
—
—
—
137
158
180
204
1008
1108
1108
1108
1108
1610
1610
1610
1610
1610
2012
2012
2012
2012
2012
2012
2012
0.24
0.30
0.36
0.44
0.53
0.42
0.55
0.68
0.80
1.00
1.20
1.60
2.40
2.70
3.30
3.50
3.65
41
42
46
50
—
—
—
—
—
—
91
95
117
—
158
180
204
260
341
1008
1108
1108
1210
1615
1615
1615
1615
1615
1615
2012
2012
2012
2517
2517
2517
2517
2517
2517
0.29
0.38
0.45
0.50
0.45
0.59
0.77
0.96
1.15
1.34
1.33
1.78
3.76
4.20
4.30
4.60
5.00
6.20
9.00
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
22-8M-30
22 5F GG
24-8M-30
24 5F GG
26-8M-30
26 5F GG
28-8M-30
28 5F
St
30-8M-30
30 3F
St
32-8M-30
32 3F GG
34-8M-30
34 3F GG
36-8M-30
36 3F GG
38-8M-30
38 3F GG
40-8M-30
40 3F GG
44-8M-30
44 4F GG
48-8M-30
48 4F GG
56-8M-30
56 4F GG
64-8M-30
64 8F GG
72-8M-30
72 8WF GG
80-8M-30
80 8W GG
90-8M-30
90 8A GG
112-8M-30 112 8A GG
144-8M-30 144 8A GG
56.02
61.12
66.21
71.30
76.39
81.49
86.58
91.67
96.77
101.86
112.05
122.23
142.60
162.97
183.35
203.72
229.18
285.21
366.69
54.65
59.75
64.84
69.93
75.02
80.12
85.22
90.30
95.39
100.49
110.67
120.86
141.23
161.60
181.97
202.35
227.81
283.83
365.32
60.0
66.0
71.0
75.0
83.0
87.0
91.0
98.5
103.0
106.0
119.0
127.0
148.0
168.0
192.0
—
—
—
—
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
45
45
45
45
45
45
22
22
22
25
38
38
38
38
38
38
32
32
32
45
45
45
45
45
45
Taper bush
1008
1108
1210
1610
1615
2012
2517
10-25
10-28
11-32
14-42
14-42
14-50
16-60
—
—
—
—
—
—
—
—
—
—
—
—
—
7
7
7
7
7
7
16
16
16
13
—
—
—
—
—
—
3
3
3
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
125
125
125
125
125
125
GG= Grey cast iron
St = Steel
TIMING BELT PULLEYS
Profile 8M
Design 4F
Design 5F
Design 9WF
Design 4
Design 9W
Design 9A
Design 7A
Designation
Number
Mateof Design
rial
teeth
TB 28-8M-50
28 5F
TB 30-8M-50
30 5F
TB 32-8M-50
32 5F
TB 34-8M-50
34 5F
TB 36-8M-50
36 5F
TB 38-8M-50
38 5F
TB 40-8M-50
40 4F
TB 44-8M-50
44 4F
TB 48-8M-50
48 4F
TB 56-8M-50
56 4F
TB 64-8M-50
64 4F
TB 72-8M-50
72 9WF
TB 80-8M-50
80 4
TB 90-8M-50
90 9W
TB 112-8M-50 112 9W
TB 144-8M-50 144 9A
TB 168-8M-50 168 7A
TB 192-8M-50 192 7A
St
St
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
dw
[mm]
da
[mm]
DB
[mm]
71.30
76.39
81.49
86.58
91.67
96.77
101.86
112.05
122.23
142.60
162.97
183.35
203.72
229.18
285.21
366.69
427.81
488.92
69.93
75.02
80.12
85.22
90.30
95.39
100.49
110.67
120.86
141.23
161.60
181.97
202.35
227.81
283.83
365.32
426.44
487.55
75.0
83.0
87.0
91.0
98.5
103.0
106.0
119.0
127.0
148.0
168.0
192.0
—
—
—
—
—
—
b1
[mm]
B
[mm]
N
[mm]
V
[mm]
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
65
65
25
38
38
38
38
38
32
32
32
45
45
45
51
51
51
51
65
65
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Z
[mm]
D
[mm]
35.0 —
22.0 —
22.0 —
22.0 —
22.0 —
22.0 —
14.0 —
14.0 —
14.0 —
7.5 —
7.5 —
7.5 125
4.5 —
4.5 170
4.5 170
4.5 170
2.5 170
2.5 170
Di
[mm]
Taper
bush
Weight
without
bush
≈ [kg]
50
58
62
65
68
72
82
91
95
116
137
158
180
204
260
341
402
460
1210
1615
1615
1615
1615
1615
2012
2012
2012
2517
2517
2517
3020
3020
3020
3020
3525
3525
0.60
0.65
0.82
1.06
1.30
1.60
1.71
1.78
2.30
3.40
5.00
6.70
8.80
10.00
12.00
15.20
16.40
21.80
65
68
72
82
91
100
117
137
158
180
204
260
341
402
460
1615
1615
1615
2012
2012
2517
2517
2517
3020
3020
3020
3020
3525
3525
3525
1.43
1.87
2.20
1.78
2.30
2.66
4.45
6.20
8.00
10.00
10.80
15.00
20.00
23.00
28.50
TB 34-8M-85
34 4F
TB 36-8M-85
36 4F
TB 38-8M-85
38 4F
TB 40-8M-85
40 4F
TB 44-8M-85
44 4F
TB 48-8M-85
48 4F
TB 56-8M-85
56 4F
TB 64-8M-85
64 4F
TB 72-8M-85
72 4F
TB 80-8M-85
80 4
TB 90-8M-85
90 9W
TB 112-8M-85 112 9W
TB 144-8M-85 144 9A
TB 168-8M-85 168 9A
TB 192-8M-85 192 9A
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
86.58
91.67
96.77
101.86
112.05
122.23
142.60
162.97
183.35
203.72
229.18
285.21
366.69
427.81
488.92
85.22
90.30
95.39
100.49
110.67
120.86
141.23
161.60
181.97
202.35
227.81
283.83
365.32
426.44
487.55
91.0
98.5
103.0
106.0
119.0
127.0
148.0
168.0
192.0
—
—
—
—
—
—
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
38
38
38
32
32
45
45
45
51
51
51
51
76
76
76
Taper bush
1210
1615
2012
2517
3020
3525
11-32
14-42
14-50
16-60
25-75
35-90
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
28.5 —
28.5 —
28.5 —
31.5 —
31.5 —
25.0 —
25.0 —
25.0 —
22.0 —
22.0 —
22.0 170
22.0 170
15.0 170
15.0 170
15.0 170
GG= Grey cast iron
St = Steel
TIMING BELT PULLEYS
Profile 14M
Design 4F
Design 9WF
Design 9W
Design 9A
Design 7A
Designation
TB 28-14M-40
TB 29-14M-40
TB 30-14M-40
TB 32-14M-40
TB 34-14M-40
TB 36-14M-40
TB 38-14M-40
TB 40-14M-40
TB 44-14M-40
TB 48-14M-40
TB 56-14M-40
TB 64-14M-40
TB 72-14M-40
TB 80-14M-40
TB 90-14M-40
TB 112-14M-40
TB 144-14M-40
TB 168-14M-40
TB 192-14M-40
TB 216-14M-40
Number
Mateof Design
rial
teeth
28
29
30
32
34
36
38
40
44
48
56
64
72
80
90
112
144
168
192
216
4F GG
4F GG
4F GG
4F GG
4F GG
4F GG
4F GG
4F GG
4F GG
4F GG
9WF GG
9WF GG
9W GG
9A GG
9A GG
9A GG
9A GG
9A GG
9A GG
9A GG
dw
[mm]
da
[mm]
DB
[mm]
b1
[mm]
B
[mm]
N
[mm]
V
[mm]
124.78
129.23
133.69
142.60
151.52
160.43
169.34
178.25
196.08
213.90
249.55
285.21
320.86
356.51
401.07
499.11
641.71
748.66
855.62
962.57
122.12
126.57
130.99
139.88
148.79
157.68
166.60
175.49
193.28
211.11
246.76
282.41
318.06
353.71
398.28
496.32
638.92
745.87
852.82
959.77
127
138
138
154
160
168
183
188
211
226
256
296
—
—
—
—
—
—
—
—
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
32
32
32
32
45
45
45
45
51
51
51
51
51
51
51
51
51
51
51
51
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Z
[mm]
D
[mm]
11.0 —
11.0 —
11.0 —
11.0 —
4.5 —
4.5 —
4.5 —
4.5 —
1.5 —
1.5 —
1.5 170
1.5 170
1.5 170
1.5 170
1.5 170
1.5 170
1.5 170
1.5 170
1.5 170
1.5 170
Di
[mm]
Taper
bush
Weight
without
bush
≈ [kg]
98
100
100
104
110
120
130
138
155
170
208
242
280
315
360
457
600
706
813
920
2012
2012
2012
2012
2517
2517
2517
2517
3020
3020
3020
3020
3020
3020
3020
3020
3020
3020
3020
3020
2.00
2.38
2.65
3.40
3.87
4.80
5.40
6.00
7.80
9.40
10.80
13.40
15.20
16.00
17.80
25.60
32.00
44.00
49.00
55.00
98
100
100
108
110
120
130
138
155
170
208
242
280
315
360
457
600
706
813
920
2012
2012
2517
2517
2517
2517
2517
2517
3020
3020
3020
3020
3020
3020
3020
3020
3020
3020
3020
3535
2.20
2.74
2.70
3.66
4.55
5.20
6.20
7.00
8.60
10.40
12.00
14.50
16.20
17.50
20.10
28.40
36.20
49.00
53.00
65.80
TB 28-14M-55
TB 29-14M-55
TB 30-14M-55
TB 32-14M-55
TB 34-14M-55
TB 36-14M-55
TB 38-14M-55
TB 40-14M-55
TB 44-14M-55
TB 48-14M-55
TB 56-14M-55
TB 64-14M-55
TB 72-14M-55
TB 80-14M-55
TB 90-14M-55
TB 112-14M-55
TB 144-14M-55
TB 168-14M-55
TB 192-14M-55
TB 216-14M-55
28
29
30
32
34
36
38
40
44
48
56
64
72
80
90
112
144
168
192
216
4F GG
4F GG
4F GG
4F GG
4F GG
4F GG
4F GG
4F GG
4F GG
4F GG
9WF GG
9WF GG
9W GG
9A GG
9A GG
9A GG
9A GG
9A GG
9A GG
7A GG
124.78
129.23
133.69
142.60
151.52
160.43
169.34
178.25
196.08
213.90
249.55
285.21
320.86
356.51
401.07
499.11
641.71
748.66
855.62
962.57
122.12
126.57
130.99
139.88
148.79
157.68
166.60
175.49
193.28
211.11
246.76
282.41
318.06
353.71
398.28
496.32
638.92
745.87
852.82
959.77
127
138
138
154
160
168
183
188
211
226
256
296
—
—
—
—
—
—
—
—
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
89
Taper bush
2012
2517
3020
3535
14-50
16-60
25-75
35-90
32 —
32 —
45 —
45 —
45 —
45 —
45 —
45 —
51 —
51 —
51 —
51 —
51 —
51 —
51 —
51 —
51 —
51 —
51 —
89 9.5
19.0 —
19.0 —
12.5 —
12.5 —
12.5 —
12.5 —
12.5 —
12.5 —
9.5 —
9.5 —
9.5 170
9.5 170
9.5 170
9.5 170
9.5 170
9.5 170
9.5 170
9.5 170
9.5 170
— 190
GG= Grey cast iron
TIMING BELT PULLEYS
Profile 14M
Design 4F
Design 9WF
Design 9W
Design 9A
Design 3A
Designation
TB 28-14M-85
TB 29-14M-85
TB 30-14M-85
TB 32-14M-85
TB 34-14M-85
TB 36-14M-85
TB 38-14M-85
TB 40-14M-85
TB 44-14M-85
TB 48-14M-85
TB 56-14M-85
TB 64-14M-85
TB 72-14M-85
TB 80-14M-85
TB 90-14M-85
TB 112-14M-85
TB 144-14M-85
TB 168-14M-85
TB 192-14M-85
TB 216-14M-85
Number
Mateof Design
rial
teeth
28
29
30
32
34
36
38
40
44
48
56
64
72
80
90
112
144
168
192
216
4F GG
4F GG
4F GG
4F GG
4F GG
4F GG
4F GG
4F GG
4F GG
4F GG
4F GG
9WF GG
9W GG
9A GG
9A GG
9A GG
9A GG
9A GG
3A GG
3A GG
dw
[mm]
da
[mm]
DB
[mm]
b1
[mm]
B
[mm]
N
[mm]
V
[mm]
124.78
129.23
133.69
142.60
151.52
160.43
169.34
178.25
196.08
213.90
249.55
285.21
320.86
356.51
401.07
499.11
641.71
748.66
855.62
962.57
122.12
126.57
130.99
139.88
148.79
157.68
166.60
175.49
193.28
211.11
246.76
282.41
318.06
353.71
398.28
496.32
638.92
745.87
852.82
959.77
127
138
138
154
160
168
183
188
211
226
256
296
—
—
—
—
—
—
—
—
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
102
45
45
45
45
45
51
51
51
76
76
65
65
65
65
65
65
65
65
102
102
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Z
[mm]
D
[mm]
28.5 —
28.5 —
28.5 —
28.5 —
28.5 —
25.5 —
25.5 —
25.5 —
13.0 —
13.0 —
18.5 190
18.5 190
18.5 190
18.5 190
18.5 190
18.5 190
18.5 190
18.5 190
— 230
— 230
Di
[mm]
Taper
bush
98
100
100
108
110
120
130
138
155
170
210
242
280
315
360
457
600
706
813
920
2517
2517
2517
2517
2517
3020
3020
3020
3030
3030
3525
3525
3525
3525
3525
3525
3525
3525
4040
4040
Weight
without
bush
≈ [kg]
2.70
3.40
3.75
4.80
6.00
5.80
6.80
8.00
11.80
15.10
19.00
23.00
25.00
26.00
27.80
36.50
48.00
60.00
86.00
91.50
TB 28-14M-115 28 4F GG
TB 29-14M-115 29 4F GG
TB 30-14M-115 30 4F GG
TB 32-14M-115 32 4F GG
TB 34-14M-115 34 4F GG
TB 36-14M-115 36 4F GG
TB 38-14M-115 38 4F GG
TB 40-14M-115 40 4F GG
TB 44-14M-115 44 4F GG
TB 48-14M-115 48 4F GG
TB 56-14M-115 56 4F GG
TB 64-14M-115 64 9WF GG
TB 72-14M-115 72 9W GG
TB 80-14M-115 80 9A GG
TB 90-14M-115 90 9A GG
TB 112-14M-1151129A GG
TB 144-14M-1151449A GG
TB 168-14M-1151689A GG
TB 192-14M-1151929A GG
TB 216-14M-1152169A GG
124.78
129.23
133.69
142.60
151.52
160.43
169.34
178.25
196.08
213.90
249.55
285.21
320.86
356.51
401.07
499.11
641.71
748.66
855.62
962.57
122.12
126.57
130.99
139.88
148.79
157.68
166.60
175.49
193.28
211.11
246.76
282.41
318.06
353.71
398.28
496.32
638.92
745.87
852.82
959.77
127
138
138
154
160
168
183
188
211
226
256
296
—
—
—
—
—
—
—
—
133 133 45
133 133 45
133 133 45
133 133 45
133 133 45
133 133 51
133 133 51
133 133 51
133 133 76
133 133 76
133 133 89
133 133 89
133 133 89
133 133 89
133 133 89
133133 89
133133102
133133102
133133102
133133102
Taper bush
2517
3020
3030
3525
3535
4040
16-60
25-75
35-75
35-90
35-90
40-100
— 44.0 — 98 2517
3.77
— 44.0 — 100 2517
4.00
— 44.0 — 100 2517
5.00
— 44.0 — 108 2517
6.80
— 44.0 — 110 2517
6.80
— 41.0 — 120 3020
7.00
— 41.0 — 130 3020
8.40
— 41.0 — 140 3020
9.20
— 28.5 — 155 3030 14.00
— 28.5 — 170 3030 17.10
— 22.0 — 210 3535 24.80
— 22.0 190 242 3535 27.00
— 22.0 190 280 3535 29.00
— 22.0190 315 3535 32.00
— 22.0190 360 3535 36.50
— 22.0190457 3535 46.00
— 15.5230600 4040 68.00
— 15.5230706 4040 82.60
— 15.5230813 4040 96.00
— 15.5230920 4040107.00
GG= Grey cast iron
TIMING BELT PULLEYS
Profile 14M
Design 4F
Design 9W
Design 9A
Designation
Number
Mateof Design
rial
teeth
TB 38-14M-170* 38
TB 40-14M-170* 40
TB 44-14M-170* 44
TB 48-14M-170* 48
TB 56-14M-170* 56
TB 64-14M-170* 64
TB 72-14M-170* 72
TB 80-14M-170* 80
TB 90-14M-170* 90
TB 112-14M-170*112
TB 144-14M-170*144
TB 168-14M-170*168
TB 192-14M-170*192
TB 216-14M-170*216
4F
4F
4F
4F
4F
4F
9W
9W
9A
9A
9A
9A
9A
9A
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
dw
[mm]
da
[mm]
DB
[mm]
b1
[mm]
B
[mm]
N
[mm]
V
[mm]
169.34
178.25
196.08
213.90
249.55
285.21
320.86
356.51
401.07
499.11
641.71
748.66
855.62
962.57
166.60
175.49
193.28
211.11
246.76
282.41
318.06
353.71
398.28
496.32
638.92
745.87
852.82
959.77
183
188
211
226
256
296
—
—
—
—
—
—
—
—
187
187
187
187
187
187
187
187
187
187
187
187
187
187
187
187
187
187
187
187
187
187
187
187
187
187
187
187
76
76
89
89
89
102
102
102
102
127
127
127
127
127
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Taper bush
3030
3535
4040
5050
35-75
35-90
40-100
70-125
Z
[mm]
D
[mm]
55.5 —
55.5 —
49.0 —
49.0 —
49.0 —
42.5 —
42.5 230
42.5 230
42.5 230
30.0 265
30.0 265
30.0 265
30.0 265
30.0 265
Di
[mm]
Taper
bush
Weight
without
bush
≈ [kg]
130
140
155
175
210
240
280
315
360
457
600
706
813
920
3030
3030
3535
3535
3535
4040
4040
4040
4040
5050
5050
5050
5050
5050
11.70
13.00
15.00
19.00
28.50
41.00
46.90
48.00
52.50
74.50
91.00
116.00
134.00
146.50
GG= Grey cast iron
* Not available ex stock
TIMING BELT PULLEYS
optibelt TB TAPER BUSHES
Taper bushes with metric bore, keyway to DIN 6885 part 1
Taper bush
Material: EN-GJL-200 – DIN EN 1561
1008 1108 1210 1215 1310 1610 1615 2012 2517 3020 3030 3525 3535 4040 4545 5050
Bore diameter d2
[mm]
Hexagon socket screws
[inch]
Tightening torque [Nm]
10101111141414141625353535405570
11111212161616161828383838426075
12121414181818181930404040456580
14141616191919192032424242487085
15151818202020202235454545507590
16161919222222222438484848558095
181820202424242425405050506085
100
191922222525252528425555556590
105
202024242828282830456060607095
110
2222252530303030324865656575
100
115
24282832323232355070707080
105
120
24
25303035353535385575757585
110
125
25
32323838384060808090
28
4040404265858595
4245709090
100
4242
45
48
75
48
50
50
55
60
1/ x 1/ 1/ x 1/ 3/ x 5/ 3/ x 5/ 3/ x 5/ 3/ x 5/ 3/ x 5/ 7/ x 7/ 1/ x 1 5/ x 11/ 5/ x 11/ 1/ x 11/ 1/ x 11/ 5/ x 13/ 3/ x 2 7/ x 21/
4
2
4
2
8
8
8
8
8
8
8
8
8
8 16
8
2
8
4 8
4 2
2 2
2 8
4
4
8
4
5.7
5.7
20
20
20
20
20
31
49
92
92
115
115
172
195
275
Bush length [mm]
22.3 22.3 25.4 38.1 25.4 25.4 38.1 31.8 44.5 50.8 76.2 63.5 88.9 101.6 114.3 127.0
Weight at d2 min [≈ kg]
0.12 0.16 0.28 0.39 0.32 0.41 0.60 0.75 1.06 2.50 3.75 3.90 5.13 7.68 12.70 15.17
From 3525: Hexagon head screw 
These bores have shallow keyways.
Shallow keyways for taper bushes
Bore diameter
d2 [mm]
Keyway width
b [mm]
Keyway depth
t2 [mm]
Bore diameter
d2 [mm]
Keyway width
b [mm]
Keyway depth
t2 [mm]
24
25
8
8
2.0
1.3
28
42
8
12
2.0
2.2
Taper bushes with inch bore, keyway to British Standard BS 46 part 1
Material: EN-GJL-200 – DIN EN 1561
Taper bush
1008 1108 1210 1215 1310 1610 1615 2012 2517 3020 3030 3525 3535 4040 4545 5050
Bore diameter d2
[inch]
Hexagon socket screws
[inch]
Tightening torque [Nm]
5/8* 1/2*
1/2
1/2
5/8* 3/4
3/8* 3/8* 1/2
11/4 11/4 11/2 11/2 13/4*21/4* 3*
1
1
5
3
5
5
5
3
7
/2
/2
/8
/4
/8*
/8
/8
/4
/8 13/8 13/8 15/8 15/8 17/8*23/8* 31/4*
5/8
3/4
7/8
3/4*
3/4
3/4
7/8
5/8
111/2 11/2 13/4 13/4 2*21/2* 31/2*
3/4
7/8
7/8*
7/8
7/8*
3/4
1
1
11/815/8 15/8 17/8 17/821/8*23/4* 33/4*
7/8
7/8
111/8 1* 1 111/8 11/4 13/4* 13/4*2 2 21/4*27/8*4*
1 111/8 11/4 11/8 11/8 11/8 11/4 13/8 17/8 17/821/821/8 23/8* 3*41/4*
11/8* 11/4
11/4 11/4 11/4 13/8 11/22 221/421/421/2* 31/4*41/2*
13/8 13/8 13/8 11/2 15/8 21/8* 21/8*23/823/825/8* 33/8*43/4*
11/2 11/2 15/8 13/421/421/421/221/223/4* 31/2* 5*
15/8 15/8* 13/4 17/823/823/825/825/827/8* 33/4*
17/8221/221/223/423/43* 4*
2
21/825/8 25/8*27/827/8 31/8* 41/4*
21/423/4 23/4* 3 331/4* 41/2*
23/827/827/8 31/8 31/8 33/8*
21/2
3 331/4 31/4 31/2*
33/8 33/8 33/4*
31/2 31/24*
1/ x 1/ 1/ x 1/ 3/ x 5/ 3/ x 5/ 3/ x 5/ 3/ x 5/ 3/ x 5/ 7/ x 7/ 1/ x 1 5/ x 11/ 5/ x 11/ 1/ x 11/ 1/ x 11/ 5/ x 13/ 3/ x 2 7/ x 21/
4
2
4
2
8
8
8
8
8
8
8
8
8
8 16
8
2
8
4 8
4 2
2 2
2 8
4
4
8
4
5.7
5.7
20
20
20
20
20
31
49
92
92
115
115
172
195
275
Bush length [mm]
22.3 22.3 25.4 38.1 25.4 25.4 38.1 31.8 44.5 50.8 76.2 63.5 88.9 101.6 114.3 127.0
Weight at d2 min [≈ kg]
0.12 0.16 0.28 0.39 0.32 0.41 0.60 0.75 1.06 2.50 3.75 3.90 5.13 7.68 12.70 15.17
From 3525: Hexagon head screw * Not available ex stock 
These bores have shallow keyways.
TIMING BELT PULLEYS
RECOMMENDED SPECIAL DESIGNS
Design OB
Design EB
Design ZB
Design OBN
Design EBN
Design ZBN
Materials
Steel, grey cast iron, aluminium;
other materials available on request
Do NOT use cast iron for speeds > 30 m/s anymore!
Bores
All timing belt pulleys are pilot bored.
On request they can be finish bored according to DIN H7.
Explanation of the abbreviations
OB = without flanges
EB = one flange
ZB = two flanges
OBN = without flanges, with hub
EBN = one flange, with hub
ZBN = two flanges, with hub
TIMING BELT PULLEYS
Allowed deviation in tooth pitch
The allowed tolerances in the distance between two grooves
and the sum of the deviations within a 90° arc on a pulley
are given in the following table. These tolerances are the
distance between the equivalent points on the right or the
left side respectively of two adjacent grooves.
Outside diameter
da
[mm]
Allowed deviation
in the tooth pitch [mm]
between two
consecutive grooves
sum within
a 90° arc
≤ 25
0.03
0.06
>25
≤ 50
0.03
0.09
>50
≤ 100
0.03
0.10
>100≤ 175
0.03
0.13
>175≤ 300
0.03
0.15
>300≤ 500
0.03
0.18
>500
0.03
0.20
Pulley width
Smallest allowed pulley
Profile Pulley width Pulley width
width
with
without
designation
flanges bf* flanges b
[mm]
[mm]
[mm]
[mm]
3M
6
9
15
6
9
15
7
10
17
9
12
19
5M
9
15
25
9
15
25
10
17
27
12
19
29
8M
20
30
50
85
20
30
50
85
22
34
54
90
26
38
58
94
14 M
40
55
85
115
170
40
55
85
115
170
47
63
95
126
180
54
70
102
133
187
*bf = pulley width between the flanges
Note
The minimum width b for pulleys without flanges can be
reduced, if there is no side wobble or run out; however, it
may not fall below the minimum width bf for pulleys with
flanges.
Axial run-out tolerance
Allowed deviation of the outside diameter
Outside diameter da
[mm]
Allowed deviation
[mm]
≤ 25
+ 0.05
0
> 25≤ 50
+ 0.07
0
> 50≤ 100
+ 0.10
0
>100≤ 175
+ 0.13
0
>175≤ 300
+ 0.15
0
>300≤ 500
+ 0.18
0
>500
+ 0.20
0
Outside diameter range
[mm]
Maximum total fluctuation
[mm]
≤ 100
0.10
> 100
≤ 250
0.01 mm per 10 mm
outside diameter
> 250
0.25 mm + 0.0005 mm
per mm outside diameter
above 250.00 mm
Tolerance of eccentricity
Outside diameter
[mm]
Maximum total fluctuation
[mm]
≤ 200
0.10
> 200
0.0005 mm per 10 mm
outside diameter, but not
exceeding the tolerance for
the outside diameter
TIMING BELT PULLEYS
Balancing
Processed steel pulleys need no balancing if the rim speed
is below 30 m/s. Grey cast iron pulleys for medium speeds
should be statically balanced according to the following
table:
Profile
Number of teeth
Static balancing [N]
3M
all
0.04
5M
all
0.08
8M
≤ 130
> 130
0.08
0.16
14M
≤ 72
> 72
0.08
0.16
Pulleys running at rim speeds exceeding of 30 m/s require
dynamic balancing up to 1.8 · 10-5 Nm.
Parallelism
The teeth should run parallel to the axis of the bore with a
tolerance of not more than 0.001 mm per millimetre width.
Conicity
The conicity may not exceed 0.001 mm per millimetre of
the width of the driving face and at the same time should
not exceed the permitted outside diameter tolerances.
TIMING BELT PULLEYS
optibelt ZRS DIMENSIONS AND TOLERANCES
optibelt ZR standard timing belt pulleys
optibelt ZRS standard timing belt pulleys are manufactured
according to the standards of ISO 5294 using a hobbing
process. This ensures minimum tooth clearance and a
precise tooth engagement. The following figures and tables
show the dimensions and tolerances of the optibelt ZRS
standard timing belt pulleys.
Hobbing Cutter for Pulleys with Involute Tooth
Patterns according to ISO 5294
Table 39
Tolerances for the outside diameter of the roughmachined blanks
Outside diameter da
[mm]
Tolerances
[mm]
≤ 100
+ 0.3
+ 0.2
> 100 ≤ 200
+ 0.4
+ 0.3
> 200 ≤ 300
+ 0.5
+ 0.4
> 300 ≤ 500
+ 0.7
+ 0.5
> 500
+ 0.9
+ 0.7
Allowed tolerances in tooth pitch
The allowed tolerances in the distance between two teeth
and the sum of the deviations within a 90° arc on a pulley
are given in the following table. These tolerances are the
distance between the equivalent points on the right or the
left side respectively of two adjacent teeth.
Table 38
Dimensions and permitted deviations of the
hobbing cutter for pulleys with involute tooth
patterns according to ISO 5294
Number
Profile
of teeth
t
[mm]
±
0.003
δ bg
r1
r2
hr
[°]
[mm]
[mm]
[mm]
[mm]
± 0.12 + 0.05 + 0.05 ± 0.03 ± 0.03
0 0 Table 40
2a
[mm]
MXL
≥ 10
2.032
20
0.66
0.84
0.25
0.13
0.508
XL
≥ 10
5.080
25
1.40
1.27
0.61
0.61
0.508
L
≥ 10
9.525
20
2.13
3.10
0.86
0.53
0.762
H
14-19
>
12.700
20
2.59
4.24
1.47
1.04
1.42
1.372
XH
≥ 18
22.225
20
6.88
7.59
2.01
1.93
2.794
XXH
≥ 18
31.750
20
10.29
11.61
2.69
2.82
3.048
Outside diameter
da
[mm]
Allowed deviation
of the teeth distance [mm]
between two
consecutive teeth
[mm]
sum within
a 90° arc
[mm]
≤ 25.40
0.03
0.05
> 25.40 ≤ 50.80
0.03
0.08
> 50.80 ≤ 101.60
0.03
0.10
> 101.60 ≤ 177.80
0.03
0.13
> 177.80 ≤ 304.80
0.03
0.15
> 304.80 ≤ 508.00
0.03
0.18
> 508.00
0.03
0.20
TIMING BELT PULLEYS
Table 42
Permitted tolerances for the outside diameter to
ISO 5294
Table 41
Pulley widths according to ISO 5294
Profile Pulley width Nominal
designation pulley width
MXL
XL
L
H
XH
XXH
Smallest pulley width
without
flanges b‘f
[mm]
[mm]
[mm]
with
flanges bf
[mm]
012
019
025
3.2
4.8
6.4
3.8
5.3
7.1
5.6
7.1
8.9
025
031
037
6.4
7.9
9.5
7.1
8.6
10.4
8.9
10.4
12.2
050
075
100
12.7
19.1
25.4
14.0
20.3
26.7
17.0
23.3
29.7
075
100
150
200
300
19.1
25.4
38.1
50.8
76.2
20.3
26.7
39.4
52.8
79.0
24.6
31.2
43.9
57.3
83.5
200
300
400
50.8
76.2
101.6
56.6
83.8
110.7
62.6
89.8
116.7
200
300
400
500
50.8
76.2
101.6
127.0
56.6
83.8
110.7
137.7
64.1
91.3
118.2
145.2
Outside diameter da
[mm]
Allowed tolerances
[mm]
≤ 25.40
+ 0.05
0
> 25.40 ≤ 50.80
+ 0.08
0
> 50.80 ≤ 101.60
+ 0.10
0
> 101.60 ≤ 177.80
+ 0.13
0
> 177.80 ≤ 304.80
+ 0.15
0
> 304.80 ≤ 508.00
+ 0.18
0
> 508.00
+ 0.20
0
Table 43
Minimum flange height according to ISO 5294
Profile
Minimum flange height
[mm]
MXL
XL
L
H
XH
XXH
0.5
1.0
1.5
2.0
4.8
6.1
Flange dimensions according to ISO 5294
without flanges
Note
The minimum width for pulleys without flanges b'f can be
reduced if the drive alignment can be guaranteed; however
it may not be less than the value bf given for pulleys with
flanges.
Outside diameter
da
with flanges Diameter at bend
(da + 0.38) ± 0.25 mm
Flanged pulley outside diameter
(da + 2 · flange height)
8° min
.
25° ma
x.
Broken
corners
TIMING BELT PULLEYS
Table 44
Axial circular run-out according to ISO 5294
Outside diameter da
[mm]
Maximum
total fluctuation
[mm]
≤ 101.60
0.10
> 101.60 ≤ 254.00
0.01 mm per 10 mm
outside diameter
> 254.00
0.25 mm + 0.0005 mm
per mm outside diameter
above 254.00 mm
Please also consult software:
and data
optibelt CAD 2D/3D
online at: www.optibelt.com
Table 45
Radial circular run-out according to ISO 5294
Outside diameter da
[mm]
Maximum
total fluctuation
[mm]
≤ 203.20
0.13
> 203.20
0.13 mm + 0.0005 mm
per outside diameter above
203.20 mm
Pulleys running at rim speeds exceeding 30 m/s require
dynamic balancing up to 1.8 · 10‑5 Nm.
Parallelism
The teeth should run parallel to the axis of the bore with a
tolerance of less than 0.001 mm per millimetre width.
Conicity
The conicity may not exceed 0.001 mm per millimetre of the
width of the driving face and at the same time should not
exceed the permitted outside diameter tolerances given in
table 44.
TIMING BELT PULLEYS
optibelt ZRS PITCH AND OUTSIDE DIAMETER [mm]
Table 46
Number of
teeth
Profile MXL
Pitch
Outside
diameter
Profile XL
Pitch
Outside
diameter
Profile L
Pitch
Outside
diameter
Profile H
Pitch
Outside
diameter
Profile XH
Pitch
Outside
diameter
Profile XXH
Pitch
Outside
diameter
10
11
12
13
14
6.47
7.11
7.76
8.41
9.06
5.96
6.61
7.25
7.90
8.55
16.17
17.79
19.40
21.02
22.64
15.66
17.28
18.89
20.51
22.13
30.32
33.35
36.38
39.41
42.45
29.56
32.59
35.62
38.65
41.69
56.60
55.23
15
16
17
18
19
9.70 9.19
10.35
9.84
11.00 10.49
11.64 11.14
12.29 11.78
24.26
25.87
27.49
29.11
30.72
23.75
25.36
26.98
28.60
30.21
45.48
48.51
51.54
54.57
57.61
44.72
47.75
50.78
53.81
56.85
60.64
64.68
68.72
72.77
76.81
59.27
63.31
67.35
71.40
75.44
127.34 124.55
134.41 131.62
181.91 178.87
192.02 188.98
20
21
22
23
24
12.94
13.58
14.23
14.88
15.52
12.43
13.08
13.72
14.37
15.02
32.34
33.96
35.57
37.19
38.81
31.83
33.45
35.06
36.68
38.30
60.64
63.67
66.70
69.73
72.77
59.88
62.91
65.94
68.97
72.01
80.85
84.89
88.94
92.98
97.02
79.48
83.52
87.57
91.61
95.65
141.49
148.56
155.64
162.71
169.79
138.70
145.77
152.83
159.92
167.00
202.13
212.23
222.34
232.45
242.55
199.09
209.18
219.29
229.40
239.50
25
26
27
28
29
16.17
16.82
17.46
18.11
18.75
15.66
16.31
16.96
17.60
18.24
40.43
42.04
43.67
45.28
46.89
39.92
41.53
43.16
44.77
46.38
75.80
78.83
81.86
84.89
87.93
75.04
78.07
81.10
84.13
87.17
101.06
105.11
109.15
113.19
117.23
99.69
103.74
107.78
111.82
115.86
176.86
183.94
191.01
198.08
205.16
174.07
181.13
188.22
195.29
202.37
252.66
262.77
272.87
282.98
293.08
249.61
259.72
269.82
279.93
290.03
30
31
32
33
34
19.40
20.04
20.70
21.34
21.99
18.90
19.53
20.19
20.83
21.49
48.51
50.13
51.74
53.36
54.98
48.00
49.62
51.23
52.85
54.47
90.96 90.20
93.99 93.23
97.02 96.26
100.05
99.29
103.08 102.32
121.28
125.32
129.36
133.40
137.45
119.91
123.95
127.99
132.03
136.08
212.23
219.31
226.38
233.46
240.53
209.44
216.52
223.59
230.67
237.74
303.19
313.30
323.40
333.51
343.62
300.14
310.25
320.35
330.46
340.57
35
36
37
38
39
22.63
23.29
23.93
24.59
25.22
22.12
22.78
23.42
24.08
24.71
56.60
58.21
59.83
61.45
63.06
56.09
57.70
59.32
60.94
62.55
106.12
109.15
112.18
115.21
118.24
105.36
108.39
111.42
114.45
117.48
141.49
145.53
149.57
153.62
157.66
140.12
144.16
148.20
152.25
156.29
247.61
254.68
261.75
268.83
275.90
244.82
251.89
258.95
266.04
273.11
353.72
363.83
373.94
384.04
394.15
350.67
360.78
370.89
380.99
391.10
40
41
42
43
44
25.87
26.52
27.18
27.81
28.45
25.36
26.00
26.67
27.30
27.94
64.68
66.30
67.91
69.53
71.15
64.17
65.79
67.40
69.02
70.64
121.28
124.31
127.34
130.37
133.40
120.52
123.55
126.58
129.61
132.64
161.70
165.74
169.79
173.83
177.87
160.33
164.37
168.42
172.46
176.50
282.98
290.05
297.13
304.20
311.28
280.19
287.26
294.34
301.41
308.48
404.25
414.36
424.47
434.57
444.68
401.21
411.31
421.42
431.52
441.63
45
46
47
48
49
29.11
29.74
30.40
31.05
31.70
28.60
29.23
29.89
30.54
31.19
72.77
74.38
76.00
77.62
79.23
72.26
73.87
75.49
77.11
78.72
136.44
139.47
142.50
145.53
148.56
135.68
138.71
141.74
144.76
147.80
181.91
185.96
190.00
194.04
198.08
180.54
184.59
188.63
192.67
196.71
318.35
325.42
332.50
339.57
346.65
315.54
322.63
329.69
336.78
343.86
454.79
464.89
475.00
485.11
495.21
451.74
461.84
471.95
482.07
492.16
50
51
52
53
54
32.33
33.00
33.63
34.29
34.94
31.83
32.50
33.12
33.79
34.43
80.85
82.47
84.08
85.70
87.32
80.34
81.96
83.57
85.19
86.81
151.60
154.63
157.66
160.69
163.72
150.84
153.87
156.90
159.93
162.96
202.13
206.17
210.21
214.25
218.30
200.76
204.80
208.84
212.88
216.93
353.72
360.80
367.87
374.95
382.02
350.93
358.01
365.07
372.16
379.22
505.32
515.42
525.53
535.64
545.74
502.27
512.37
522.48
532.59
542.70
55
56
57
58
59
35.60
36.22
36.86
37.52
38.16
35.09
35.72
36.36
37.02
37.65
88.94
90.55
92.17
93.79
95.40
88.43
90.04
91.66
93.28
94.89
166.75
169.79
172.82
175.85
178.88
165.99
169.03
172.06
175.09
178.12
222.34
226.38
230.42
234.47
238.51
220.97
225.01
229.14
233.10
237.14
389.09
396.17
403.24
410.32
417.39
386.30
393.38
400.45
407.53
414.60
555.85
565.96
576.06
586.17
596.27
552.81
562.91
573.01
583.12
593.22
60
61
62
63
64
38.81
39.46
40.10
40.73
41.39
38.30
38.95
39.59
40.22
40.89
97.02 96.51
98.64 98.13
100.25
99.74
101.87 101.36
103.49 102.98
181.91
184.95
187.98
191.01
194.04
181.15
184.19
187.22
190.25
193.28
242.55
246.59
250.64
254.68
258.72
241.18
245.22
249.27
253.31
257.35
424.47
431.54
438.62
445.69
452.76
421.67
428.75
435.83
442.90
449.96
606.38
616.49
626.59
636.70
646.81
603.33
613.44
623.54
633.65
643.76
65
66
67
68
69
42.04
42.69
43.32
43.97
44.62
41.53
42.18
42.82
43.46
44.11
105.11
106.72
108.34
109.96
111.57
104.60
106.21
107.83
109.45
111.06
197.07
200.11
203.14
206.17
209.20
196.31
199.35
202.38
205.41
208.44
262.77
266.81
270.85
274.89
278.94
261.40
265.44
269.48
273.52
277.57
459.84
466.91
473.99
481.06
488.14
457.05
464.12
471.20
478.27
485.34
656.91
667.02
677.13
687.23
697.34
653.86
663.97
674.08
684.18
694.29
70
71
72
73
74
45.29
45.92
46.57
47.22
47.85
44.78
45.41
46.06
46.71
47.39
113.19
114.81
116.43
118.04
119.66
112.68
114.30
115.92
117.53
119.15
212.23
215.27
218.30
221.33
224.36
211.47
214.51
217.54
220.57
223.60
282.98
287.02
291.06
295.11
299.15
281.61
285.65
289.69
293.74
297.78
495.21
502.29
509.36
516.43
523.51
492.42
499.49
506.57
513.64
520.72
707.44
717.55
727.66
737.76
747.87
704.39
714.50
724.61
734.71
744.82
TIMING BELT PULLEYS
optibelt ZRS PITCH AND OUTSIDE DIAMETER [mm]
Table 47
Number of
teeth
Profile MXL
Pitch
Outside
diameter
Profile XL
Pitch
Outside
diameter
Profile L
Pitch
Outside
diameter
Profile H
Pitch
Outside
diameter
Profile XH
Pitch
Outside
diameter
Profile XXH
Pitch
Outside
diameter
75
76
77
78
79
48.51
49.15
49.81
50.43
51.10
48.00
48.64
49.30
49.93
50.60
121.28
122.89
124.51
126.13
127.74
120.77
122.38
124.00
125.62
127.23
227.39
230.42
233.46
236.49
239.52
226.63
229.66
232.70
235.73
238.76
303.19
307.23
311.28
315.32
319.36
301.82
305.86
309.91
313.95
317.99
530.58
537.66
544.73
551.81
558.88
527.79
534.87
541.93
549.02
556.08
757.98
768.08
778.19
788.30
798.40
754.93
765.03
775.14
785.25
795.35
80
81
82
83
84
51.73
52.39
53.04
53.68
54.32
51.22
51.88
52.54
53.18
53.81
129.36
130.98
132.60
134.21
135.83
128.85
130.47
132.09
133.70
135.32
242.55
245.58
248.62
251.65
254.68
241.79
244.82
247.86
250.89
253.92
323.40
327.45
331.49
335.53
339.57
322.03
326.08
330.12
334.16
338.20
565.96
573.03
580.10
587.18
594.25
563.17
570.24
577.31
584.39
591.46
808.51
818.61
828.72
838.83
848.93
805.46
815.56
825.67
835.78
845.88
85
86
87
88
89
55.00
55.62
56.25
56.93
57.55
54.49
55.11
55.73
56.41
57.04
137.45
139.06
140.68
142.30
143.91
136.94
138.55
140.17
141.79
143.40
257.71
260.74
263.78
266.81
269.84
256.95
259.98
263.02
266.05
269.08
343.62
347.66
351.70
355.74
359.79
342.25
346.29
350.33
354.37
358.42
601.33
608.40
615.48
622.55
629.63
598.54
605.61
612.69
619.76
626.84
859.04
869.15
879.25
889.36
899.46
855.99
866.10
876.20
886.31
896.42
90
91
92
93
94
58.20
58.85
59.51
60.14
60.81
57.69
58.34
59.00
59.62
60.30
145.53
147.15
148.77
150.38
152.00
145.02
146.64
148.26
149.87
151.49
272.87
275.90
278.94
281.97
285.00
272.11
275.14
278.18
281.21
284.24
363.83
367.87
371.91
375.96
380.00
362.46
366.50
370.54
374.59
378.63
636.70
643.71
650.85
657.92
665.00
633.91
640.98
648.06
655.13
662.20
909.57
919.68
929.78
939.89
949.99
906.53
916.64
926.73
935.54
946.94
95
96
97
98
99
61.44
62.08
62.74
63.40
64.01
60.93
61.57
62.23
62.88
63.50
153.62
155.23
156.85
158.47
160.08
153.11
154.72
156.34
157.96
159.57
288.03
291.06
294.09
297.13
300.16
287.27
290.30
293.33
296.37
299.40
384.04
388.08
392.13
396.17
400.21
382.67
386.71
390.76
394.80
398.84
672.07
679.15
686.22
693.30
700.37
669.28
676.35
683.43
690.51
697.58
960.10
970.21
980.32
990.42
1000.53
957.05
967.16
977.27
987.37
997.48
100
101
102
103
104
64.67
65.32
65.95
66.62
67.25
64.16
64.81
65.44
66.12
66.74
161.70
163.32
164.94
166.55
168.17
161.19
162.81
164.43
166.04
167.66
303.19
306.22
309.25
312.29
315.32
302.43
305.46
308.49
311.53
314.56
404.25
408.30
412.34
416.38
420.42
402.88
406.93
410.97
415.01
419.05
707.44
714.52
721.59
728.67
735.74
704.65
711.73
718.80
725.88
732.94
1010.63
1020.74
1030.85
1040.95
1051.06
1007.58
1017.69
1027.80
1037.90
1048.01
105
106
107
108
109
67.91
68.55
69.20
69.86
70.51
67.39
68.04
68.70
69.34
69.99
169.79
171.40
173.02
174.64
176.25
169.28
170.89
172.51
174.13
175.74
318.35
321.38
324.41
327.45
330.48
317.59
320.62
323.65
326.69
329.72
424.47
428.51
432.55
436.59
440.64
423.10
427.14
431.18
435.22
439.27
742.82
749.89
756.97
764.04
771.11
740.03
747.10
754.18
761.25
768.32
1061.17
1071.27
1081.38
1091.49
1101.59
1058.12
1068.22
1078.33
1088.44
1098.54
110
111
112
113
114
71.13
71.81
72.44
73.09
73.75
70.63
71.31
71.93
72.58
73.34
177.87
179.49
181.11
182.72
184.34
177.36
178.98
180.60
182.21
183.83
333.50
336.54
339.57
342.61
345.64
332.74
335.78
338.81
341.85
344.88
444.68
448.72
452.76
456.81
460.85
443.31
447.35
451.39
455.44
459.48
778.19
785.26
792.34
799.41
806.49
775.40
782.47
789.53
796.62
803.70
1111.70
1121.80
1131.91
1142.02
1152.12
1108.65
1118.75
1128.86
1138.97
1149.07
115
116
117
118
119
74.37
75.02
75.68
76.33
76.95
73.86
74.51
75.17
75.82
76.43
185.96
187.57
189.19
190.81
192.42
185.45
187.06
188.68
190.30
191.91
348.67
351.70
354.73
357.76
360.80
347.91
350.94
353.97
357.00
360.04
464.89
468.93
472.98
477.02
481.06
463.52
467.56
471.61
475.65
479.69
813.56
820.64
827.71
834.78
841.86
810.77
817.83
824.92
831.99
839.06
1162.23
1172.34
1182.44
1192.55
1202.66
1159.18
1169.29
1179.39
1189.50
1199.62
120
77.63
77.11
194.04 193.53
363.83 363.07
485.10 483.73
848.93 846.14
1212.76 1209.71
TIMING BELT PULLEYS
optibelt ZRS Profile XL, L FOR CYLINDRICAL BORES
Design 6F
Design 6
Design 6W
Design 6A
Design 6WF
Design 6AF
Profile XL – tooth pitch 5.08 mm and width code 025, 031, 037 – belt width 6.4 mm, 7.9 mm, 9.5 mm
Belt
designation
10 XL 037
11 XL 037
12 XL 037
14 XL 037
15 XL 037
16 XL 037
18 XL 037
20 XL 037
21 XL 037
22 XL 037
24 XL 037
26 XL 037
28 XL 037
30 XL 037
32 XL 037
36 XL 037
40 XL 037
42 XL 037
44 XL 037
48 XL 037
60 XL 037
72 XL 037
Number
Design Material
of teeth
10
11
12
14
15
16
18
20
21
22
24
26
28
30
32
36
40
42
44
48
60
72
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6
6
6
6W
6W
6W
6A
6A
St
St
St
St
St
St
St
St
St
St
St
St
St
St
Al
Al
Al
Al
Al
Al
Al
Al
da
[mm]
dw
[mm]
16.17
17.79
19.40
22.64
24.26
25.87
29.11
32.34
33.96
35.57
38.81
42.04
45.28
48.51
51.74
58.21
64.68
67.91
71.15
77.62
97.02
116.43
DB
[mm]
15.66 23
17.28 23
18.89 25
22.13 28
23.75 28
25.36 32
28.60 36
31.83 38
33.45 38
35.06 42
38.30 44
41.53 48
44.77 51
48.00 54
51.23
—
57.70
—
64.17
—
67.40
—
70.64
—
77.11
—
96.51
—
115.92
—
b1
[mm]
14.3
14.3
14.3
14.3
14.3
14.3
14.3
14.3
14.3
14.3
14.3
14.3
14.3
14.3
14.3
14.3
14.3
14.3
14.3
14.3
14.3
14.3
B
[mm]
D
[mm]
Pilot bore
d
[mm]
19.8 9.5 5
19.8 9.5 5
19.8 12.7 5
19.8 14.3 6
19.8 15.9 6
19.8 17.5 6
19.8 19.0 6
22.2 23.8 6
22.2 23.8 6
22.2 25.4 6
22.2 27.0 6
22.2 30.0 6
22.2 30.2 6
22.2 34.9 6
25.4 38.0 8
25.4 38.0 8
25.4 38.0 8
25.4 38.0 8
25.4 38.0 8
25.4 38.0 8
25.4 38.0 8
25.4 38.0 8
Finished
Weight
bore
Setscrew approx.
dmax
[kg]
[mm]
6.4
6.4
7.9
9.5
11.1
12.7
14.3
17.5
17.5
19.1
20.6
23.0
23.0
23.0
23.0
23.0
23.0
23.0
23.0
23.0
23.0
23.0
M3
M3
M3
M4
M4
M4
M4
M4
M4
M4
M4
M4
M4
M4
M4
M4
M4
M4
M4
M4
M4
M4
0.02
0.02
0.03
0.04
0.04
0.05
0.06
0.08
0.09
0.10
0.12
0.14
0.16
0.19
0.11
0.13
0.17
0.13
0.15
0.16
0.18
0.23
Profile L – tooth pitch 9.525 mm and width code 050 – belt width 12.7 mm
10 L 050
12 L 050
13 L 050
14 L 050
15 L 050
16 L 050
17 L 050
18 L 050
19 L 050
20 L 050
21 L 050
22 L 050
24 L 050
26 L 050
28 L 050
30 L 050
32 L 050
36 L 050
40 L 050
44 L 050
48 L 050
60 L 050
72 L 050
84 L 050
10
12
13
14
15
16
17
18
19
20
21
22
24
26
28
30
32
36
40
44
48
60
72
84
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6WF
6WF
6AF
6AF
6A
6A
6A
St
St
St
St
St
St
St
St
St
St
St
St
St
St
St
St
St
GG
GG
GG
GG
GG
GG
GG
30.32
36.38
39.41
42.45
45.48
48.51
51.54
54.57
57.61
60.64
63.67
66.70
72.77
78.83
84.89
90.96
97.02
109.15
121.28
133.40
145.53
181.91
218.30
254.68
29.56 36
35.62 42
38.65 44
41.68 48
44.72 51
47.75 54
50.78 57
53.81 60
56.84 60
59.88 66
62.91 71
65.94 75
72.00 79
78.07 87
84.13 91
90.20 97
96.26 103
108.24 115
120.51 127
132.64 140
144.77 152
181.15
—
217.53
—
253.92
—
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
28
28
28
22 6
28 6
30 6
33 8
36 8
38 8
40 10
40 10
40 10
46 10
46 10
50 10
50 12
50 12
50 12
50 12
50 12
50 12
50 12
50 12
50 12
50 15
50 15
50 15
13
17
19
20
23
23
24
24
24
28
28
30
30
30
30
30
30
30
30
30
30
30
30
30
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.11
0.19
0.21
0.25
0.30
0.33
0.36
0.41
0.45
0.50
0.55
0.62
0.68
0.82
0.92
1.10
1.20
1.00
1.10
1.20
1.30
1.30
1.70
1.90
Al = Aluminium St = Steel GG = Grey cast iron Subject to changes due to production.
TIMING BELT PULLEYS
optibelt ZRS Profile L FOR CYLINDRICAL BORES
Design 6F
Design 6WF
Design 6AF
Design 6A
Design 6CWF
Design 10AF
Belt
designation
10
12
13
14
15
16
17
18
19
20
21
22
24
26
28
30
32
36
40
44
48
60
72
84
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
075
075
075
075
075
075
075
075
075
075
075
075
075
075
075
075
075
075
075
075
075
075
075
075
Number
of teeth
Design
Material
dw
[mm]
10
12
13
14
15
16
17
18
19
20
21
22
24
26
28
30
32
36
40
44
48
60
72
84
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6WF
6WF
6AF
6AF
6A
6A
6A
St
St
St
St
St
St
St
St
St
St
St
St
St
St
St
St
St
GG
GG
GG
GG
GG
GG
GG
30.32
36.38
39.41
42.45
45.48
48.51
51.54
54.57
57.61
60.64
63.67
66.70
72.77
78.83
84.89
90.96
97.02
109.15
121.28
133.40
145.53
181.91
218.30
254.68
da
[mm]
DB
[mm]
b1
[mm]
B
[mm]
29.56 36
35.62 42
38.65 44
41.68 48
44.72 51
47.75 54
50.78 57
53.81 60
56.84 60
59.88 66
62.91 71
65.94 75
72.00 79
78.07 87
84.13 91
90.20 97
96.26
103
108.38
115
120.51
127
132.64
140
144.77
152
181.15
—
217.53
—
253.92
—
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
26
26
26
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
35
35
35
D
[mm]
Pilot bore
d
[mm]
22 6
28
8
30
8
33
8
36
8
38
8
40
10
40
10
40
10
46
10
46
10
50
10
50
12
50
12
50
12
50
12
50
12
55
12
60
12
60
12
60
12
60
15
60
15
60
15
Finished
bore
dmax
[mm]
Weight
approx.
[kg]
13
17
19
20
23
23
24
24
24
28
28
30
30
30
30
30
30
32
35
35
35
35
35
35
0.15
0.23
0.26
0.32
0.35
0.42
0.45
0.51
0.57
0.63
0.70
0.75
0.85
1.00
1.20
1.40
1.50
1.30
1.60
1.70
1.90
1.80
2.30
2.50
10
12
13
14
15
16
17
18
19
20
21
22
24
26
28
30
32
36
40
44
48
60
72
84
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
10
12
13
14
15
16
17
18
19
20
21
22
24
26
28
30
32
36
40
44
48
60
72
84
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6CWF
6CWF
10AF
10AF
6A
6A
6A
St
St
St
St
St
St
St
St
St
St
St
St
St
St
St
St
St
GG
GG
GG
GG
GG
GG
GG
30.32
36.38
39.41
42.45
45.48
48.51
51.54
54.57
57.61
60.64
63.67
66.70
72.77
78.83
84.89
90.96
97.02
109.15
121.28
133.40
145.53
181.91
218.30
254.68
29.56 36
35.62 42
38.65 44
41.68 48
44.72 51
47.75 54
50.78 57
53.81 60
56.84 60
59.88 66
62.91 71
65.94 75
72.00 79
78.07 87
84.13 91
90.20 97
96.26
103
108.38
115
120.51
127
132.64
140
144.77
152
181.15
—
217.53
—
253.92
—
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
32
32
32
32
32
32
32
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
38
32
32
32
32
35
35
35
22 6
28
8
30
8
33
8
36
8
38
8
40
10
40
10
40
10
46
10
46
10
50
10
50
12
50
12
50
12
50
12
50
12
55
12
60
12
60
12
60
12
60
15
60
15
60
15
13
17
19
20
23
23
24
24
24
28
28
30
30
30
30
30
30
32
35
35
35
35
35
35
0.81
0.29
0.30
0.38
0.40
0.51
0.54
0.62
0.69
0.76
0.82
0.92
1.10
1.30
1.40
1.70
1.80
1.50
1.80
1.90
2.10
2.00
2.50
2.70
St = Steel GG = Grey cast iron Subject to changes due to production.
TIMING BELT PULLEYS
optibelt ZRS Profile H FOR CYLINDRICAL BORES
Design 6F
Design 6A
Design 6CWF
Design 6WF
Design 6AF
Profile H – tooth pitch 12.7 mm and width code 075 – belt width 19.1 mm
Belt
designation
14
16
18
19
20
21
22
24
26
28
30
32
36
40
44
48
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Number
of teeth
075 14
075 16
075 18
075 19
075 20
075 21
075 22
075 24
075 26
075 28
075 30
075 32
075 36
075 40
075 44
075 48
Design
Material
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6F
6A
6A
St
St
St
St
St
St
St
St
St
St
St
St
St
St
GG
GG
dw
[mm]
da
[mm]
DB
[mm]
56.59 55.22 64.0
64.67 63.31 70.0
72.77 71.39 79.0
76.81 75.44 82.5
80.85 79.48 86.0
84.89 83.52 91.0
88.93 87.56 94.0
97.03 95.65 102.0
105.11 103.73 112.0
113.18 111.82 120.0
121.29 119.90 128.0
129.30 127.99 135.0
145.54 144.16 152.0
161.70 160.33 168.0
177.88 176.50 184.0
194.03 192.67 200.0
b1
[mm]
B
[mm]
D
[mm]
Pilot bore
d
[mm]
Finished
bore
dmax
[mm]
Weight
approx.
[kg]
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
26.4
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
46
54
58
62
67
70
75
80
80
80
70
80
80
80
90
10
10
12
12
12
12
12
12
15
15
15
15
15
20
20
20
24
26
32
35
35
38
38
42
45
45
45
45
45
45
45
50
0.50
0.60
0.80
1.00
1.10
1.20
1.40
1.60
1.80
2.00
2.10
2.20
2.40
2.80
2.70
3.00
14 H 100
16 H 100
18 H 100
19 H 100
20 H 100
21 H 100
22 H 100
24 H 100
26 H 100
28 H 100
30 H 100
32 H 100
36 H 100
40 H 100
44 H 100
48 H 100
60 H 100
72 H 100
84 H 100*
96 H 100*
120 H 100*
14
16
18
19
20
21
22
24
26
28
30
32
36
40
44
48
60
72
84
96
120
6F
6F
6F
6F
6F
6F
6F
6F
6CWF
6CWF
6CWF
6WF
6WF
6AF
6AF
6AF
6A
6A
6A
6A
6A
St
St
St
St
St
St
St
St
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
56.60
64.68
72.77
76.81
80.85
84.89
88.94
97.02
105.11
113.19
121.28
129.36
145.53
161.70
177.87
194.04
242.55
291.06
339.57
388.08
485.10
55.22 63
63.31 71
71.39 79
75.44 83
79.48 87
83.52 91
87.56 93
95.65
103
103.73
111
111.82
119
119.90
127
127.99
135
144.16
152
160.33
168
176.50
184
192.67
200
241.18
—
289.69
—
338.20
—
386.71
—
483.73
—
31
31
31
31
31
31
31
31
32
32
32
32
32
32
32
32
34
34
34
34
34
41
41
41
41
41
41
41
41
32
32
32
40
40
40
40
40
45
45
45
45
50
40
46
54
58
62
67
70
75
55
60
60
70
80
80
80
80
80
80
80
80
90
10
10
12
12
12
12
12
12
15
15
15
20
20
20
20
20
20
20
20
20
20
24
28
32
34
35
38
41
45
32
35
35
40
45
45
45
45
45
45
45
45
50
0.65
0.85
1.10
1.20
1.40
1.60
1.70
2.00
1.40
1.60
1.70
2.20
3.00
2.80
3.10
3.30
5.50
7.10
8.20
9.90
13.10
* Not available ex stock St = Steel GG = Grey cast iron Subject to changes due to production.
TIMING BELT PULLEYS
optibelt ZRS Profile H FOR CYLINDRICAL BORES
Design 6F
Design 6CWF
Design 10AF
Design 10A
Design 6A
Design 11AF
Design 11A
Belt
designation
14
16
18
19
20
21
22
24
26
28
30
32
36
40
44
48
60
72
84
96
120
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150*
150*
150*
Number
of teeth
Design
Material
dw
[mm]
14
16
18
19
20
21
22
24
26
28
30
32
36
40
44
48
60
72
84
96
120
6F
6F
6F
6F
6F
6F
6F
6F
6CWF
6CWF
6CWF
6CWF
6CWF
10AF
10AF
10AF
10A
10A
10A
10A
6A
St
St
St
St
St
St
St
St
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
56.60
64.68
72.77
76.81
80.85
84.89
88.94
97.02
105.11
113.19
121.28
129.36
145.53
161.70
177.87
194.04
242.55
291.06
339.57
388.08
485.10
da
[mm]
DB
[mm]
55.22 63
63.31 71
71.39 79
75.44 83
79.48 87
83.52 91
87.56 93
95.65
103
103.73
111
111.82
119
119.90
127
127.99
135
144.16
152
160.33
168
176.50
184
192.67
200
241.18
—
289.69
—
338.20
—
386.71
—
483.73
—
b1
[mm]
B
[mm]
D
[mm]
44
44
44
44
44
44
44
44
45
45
45
45
45
45
45
45
46
46
46
46
46
54
54
54
54
54
54
54
54
35
35
35
45
45
45
45
45
46
46
46
46
55
40
46
54
58
62
67
70
75
55
60
60
70
80
80
80
80
85
85
85
85
95
Pilot bore
d
[mm]
Finished
bore
dmax
[mm]
Weight
approx.
[kg]
12
12
12
12
12
12
12
12
15
15
15
20
20
20
20
20
20
20
20
20
24
24
28
32
34
35
38
41
45
32
35
35
40
45
45
45
45
48
48
48
48
55
0.82
1.10
1.50
1.70
1.80
2.20
2.30
2.60
1.70
1.90
2.10
2.60
3.20
3.80
3.70
4.00
5.10
7.90
8.90
10.10
17.20
14
16
18
19
20
21
22
24
26
28
30
32
36
40
44
48
60
72
84
96
120
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200*
200*
200*
14
16
18
19
20
21
22
24
26
28
30
32
36
40
44
48
60
72
84
96
120
6F
6F
6F
6F
6F
6F
6F
6F
6CWF
6CWF
6CWF
6CWF
6CWF
11AF
11AF
11AF
11A
11A
11A
11A
10A
St
St
St
St
St
St
St
St
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
56.60
64.68
72.77
76.81
80.85
84.89
88.94
97.02
105.11
113.19
121.28
129.36
145.53
161.70
177.87
194.04
242.55
291.06
339.57
388.08
485.10
55.22 63
63.31 71
71.39 79
75.44 83
79.48 87
83.52 91
87.56 93
95.65 103
103.73 111
111.82 119
119.90 127
127.99 135
144.16 152
160.33 168
176.50 184
192.67 200
241.18
—
289.69
—
338.20
—
386.71
—
483.73
—
58
58
58
58
58
58
58
58
58
58
58
58
58
58
58
58
60
60
60
60
60
68 40
68 46
68 54
68 58
68 62
68 67
68 70
68 75
42 60
42 60
42 70
47 70
47 80
45 80
45 80
45 85
50 90
50 90
50 90
50 90
60
100
12
15
15
15
15
15
15
15
15
15
15
20
20
20
20
20
20
20
20
20
24
24
28
32
34
35
38
41
45
35
35
40
40
45
45
45
48
50
50
50
50
57
1.10
1.40
1.80
2.10
2.30
2.60
2.80
3.40
2.30
2.50
2.90
3.20
3.80
4.10
4.40
5.10
7.10
8.00
12.00
13.60
16.60
TIMING BELT PULLEYS
optibelt ZRS Profile H, XH FOR CYLINDRICAL BORES
Design 6F
Design 6CWF
Design 11AF
Design 11A
Design 6CF
Design 6A
Belt
designation
16
18
19
20
21
22
24
26
28
30
32
36
40
44
48
60
72
84
96
120
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300*
300*
300*
Number
of teeth
Design
Material
dw
[mm]
da
[mm]
DB
[mm]
b1
[mm]
B
[mm]
D
[mm]
A
[mm]
Pilot bore
d
[mm]
Finished
bore
dmax
[mm]
Weight
approx.
[kg]
16
18
19
20
21
22
24
26
28
30
32
36
40
44
48
60
72
84
96
120
6F
6F
6F
6F
6F
6F
6F
6CWF
6CWF
6CWF
6CWF
6CWF
11AF
11AF
11AF
11A
11A
11A
11A
11A
St
St
St
St
St
St
St
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
64.68
72.77
76.81
80.85
84.89
88.94
97.02
105.11
113.19
121.28
129.36
145.53
161.70
177.87
194.04
242.55
291.06
339.57
388.08
485.10
63.31
71.39
75.44
79.48
83.52
87.56
95.65
103.73
111.82
119.90
127.99
144.16
160.33
176.50
192.67
241.18
289.69
338.20
386.71
483.73
71
79
83
87
91
93
103
111
119
127
135
152
168
184
200
—
—
—
—
—
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
86
86
86
86
86
94
94
94
94
94
94
94
57
57
57
57
57
55
55
55
55
55
55
55
65
46
54
58
62
67
70
75
60
60
70
70
80
80
80
85
100
100
100
100
110
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
15
15
15
15
15
15
15
15
15
15
20
20
20
20
20
20
20
20
20
24
28
32
34
35
38
41
45
35
35
40
40
45
45
45
48
57
57
57
57
62
2.0
2.6
2.9
3.2
3.6
4.0
4.7
3.3
3.6
4.2
4.3
5.2
5.6
5.9
6.6
9.9
13.0
15.1
18.2
26.0
Profile XH – tooth pitch 22.225 mm and width code 200 – belt width 50.8 mm
18 XH 200*
20 XH 200*
22 XH 200*
24 XH 200*
26 XH 200*
28 XH 200*
30 XH 200*
32 XH 200*
40 XH 200*
48 XH 200*
60 XH 200*
72 XH 200*
84 XH 200*
96 XH 200*
18
20
22
24
26
28
30
32
40
48
60
72
84
96
6CF
6CF
6CF
6CF
6CF
6CWF
6CWF
6CWF
6CWF
6A
6A
6A
6A
6A
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
127.34
141.49
155.64
169.79
183.94
198.08
212.23
226.38
282.98
339.57
424.47
509.36
594.25
679.15
124.55
138.69
152.84
166.69
181.14
195.29
209.44
223.59
280.18
336.78
421.67
506.57
591.46
676.35
142
155
170
184
198
212
227
240
297
—
—
—
—
—
64.4
64.4
64.4
64.4
64.4
64.4
64.4
64.4
64.4
65.0
65.0
65.0
65.0
65.0
60
60
60
60
60
60
60
60
60
80
80
80
80
80
85
95
110
125
140
120
120
130
140
150
150
150
160
160
18
18
18
18
18
18
18
18
18
—
—
—
—
—
20
20
20
25
25
25
25
25
25
30
30
40
40
40
50
55
65
70
80
70
70
75
80
85
85
85
90
90
5.0
6.0
7.2
8.6
10.1
9.6
10.4
11.2
16.0
18.4
24.3
28.1
31.9
37.0
TIMING BELT PULLEYS
optibelt ZRS Profile XH FOR CYLINDRICAL BORES
Design 6CF
Design 6CWF
Design 10A
Design 11A
Belt
designation
18
20
22
24
26
28
30
32
40
48
60
72
84
96
XH
XH
XH
XH
XH
XH
XH
XH
XH
XH
XH
XH
XH
XH
300*
300*
300*
300*
300*
300*
300*
300*
300*
300*
300*
300*
300*
300*
Number
of teeth
18
20
22
24
26
28
30
32
40
48
60
72
84
96
Design
Material
dw
[mm]
da
[mm]
DB
[mm]
b1
[mm]
B
[mm]
D
[mm]
A
[mm]
Pilot bore
d
[mm]
Finished
bore
dmax
[mm]
Weight
approx.
[kg]
6CF
6CF
6CF
6CF
6CF
6CWF
6CWF
6CWF
6CWF
10A
10A
10A
10A
10A
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
127.34
141.49
155.64
169.79
183.94
198.08
212.23
226.38
282.98
339.57
424.47
509.36
594.25
679.15
124.55
138.69
152.84
166.69
181.14
195.29
209.44
223.59
280.18
336.78
421.67
506.57
591.46
676.35
142
155
170
184
198
212
227
240
297
—
—
—
—
—
91.4
91.4
91.4
91.4
91.4
91.4
91.4
91.4
91.4
92.0
92.0
92.0
92.0
92.0
70
70
70
70
70
70
70
70
70
92
92
92
92
92
85
95
110
125
140
120
120
130
140
150
150
150
160
160
35
35
35
35
35
35
35
35
35
—
—
—
—
—
20
20
20
25
25
25
25
25
25
30
30
40
40
40
50
55
65
70
80
70
70
75
80
85
85
85
90
90
6.8
7.4
9.0
10.6
13.0
12.0
13.0
14.7
19.9
22.5
31.5
36.4
43.4
48.5
18
20
22
24
26
28
30
32
40
48
60
72
84
96
XH
XH
XH
XH
XH
XH
XH
XH
XH
XH
XH
XH
XH
XH
400*
400*
400*
400*
400*
400*
400*
400*
400*
400*
400*
400*
400*
400*
18
20
22
24
26
28
30
32
40
48
60
72
84
96
6CF
6CF
6CF
6CF
6CF
6CWF
6CWF
6CWF
6CWF
11A
11A
11A
11A
11A
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
127.34
141.49
155.64
169.79
183.94
198.08
212.23
226.38
282.98
339.57
424.47
509.36
594.25
679.15
124.55
138.69
152.84
166.69
181.14
195.29
209.44
223.59
280.18
336.78
421.67
506.57
591.46
676.35
142
155
170
184
198
212
227
240
297
—
—
—
—
—
118.4
118.4
118.4
118.4
118.4
118.4
118.4
118.4
118.4
119.0
119.0
119.0
119.0
119.0
85
85
85
85
85
85
85
85
85
92
92
92
92
92
85
95
110
125
140
120
120
130
140
150
150
150
160
160
47
47
47
47
47
47
47
47
47
—
—
—
—
—
20
20
20
25
25
25
25
25
25
30
30
40
40
40
50
55
65
70
80
70
70
75
80
85
85
85
90
90
8.5
9.4
11.5
13.4
15.6
14.5
16.0
18.0
24.0
30.8
36.2
42.7
49.7
59.9
* Not available ex stock GG = Grey cast iron Subject to changes due to production.
TIMING BELT PULLEYS
optibelt ZRS Profile L for optibelt TB TAPER BUSHES
Design 8F
Design 8WF
Design 7W
Design 7A
Design 3F
Design 3WF
Design 3W
Design 3A
Belt
designation
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
18 L 050
19 L 050
20 L 050
21 L 050
22 L 050
23 L 050
24 L 050
25 L 050
26 L 050
27 L 050
28 L 050
30 L 050
32 L 050
36 L 050
40 L 050
48 L 050
60 L 050
72 L 050
84 L 050
96 L 050
120 L 050
NumMateber of Design
rial
teeth
18
19
20
21
22
23
24
25
26
27
28
30
32
36
40
48
60
72
84
96
120
8F
8F
8F
8F
8F
8F
8F
8F
8F
8F
8F
8F
8F
8F
8F
8WF
7W
7A
7A
7A
7A
St
St
St
St
St
St
St
St
St
St
St
St
St
GG
GG
GG
GG
GG
GG
GG
GG
dw
[mm]
da
[mm]
DB
[mm]
b1
[mm]
B
[mm]
N
[mm]
V
[mm]
Z
[mm]
54.57
57.61
60.64
63.67
66.70
69.73
72.77
75.80
78.83
81.86
84.89
90.96
97.02
109.15
121.28
145.53
181.91
218.30
254.68
291.06
363.83
53.81
56.84
59.88
62.91
65.94
68.97
72.00
75.04
78.07
81.10
84.13
90.20
96.26
108.39
120.51
144.77
181.15
217.53
253.90
290.30
363.07
60
60
66
71
75
79
79
83
87
87
91
97
103
115
127
152
—
—
—
—
—
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
22
22
22
22
22
22
22
22
22
22
22
22
22
22
25
25
25
25
25
32
32
22
22
22
22
22
22
22
22
22
22
22
22
22
22
25
25
25
25
25
32
32
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
6.0
6.0
3.0
3.0
3.0
6.5
6.5
D
[mm]
— 44
— 44
— 48
— 48
— 51
— 54
— 54
— 56
— 60
— 65
— 65
— 70
— 74
— 87
— 97
— 88
— 92
— 92
— 92
— 106
— 106
Di
[mm]
Taper
bush
Weight
without
bush
approx.
[kg]
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
124
166
202
236
270
343
1108
1108
1108
1108
1108
1108
1108
1108
1108
1108
1108
1108
1108
1108
1610
1610
1610
1610
1610
2012
2012
0.2
0.2
0.2
0.3
0.3
0.4
0.4
0.5
0.5
0.6
0.6
0.8
0.9
1.2
1.5
2.3
2.0
3.0
4.0
5.5
6.8
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
18 L 075
19 L 075
20 L 075
21 L 075
22 L 075
23 L 075
24 L 075
25 L 075
26 L 075
27 L 075
28 L 075
30 L 075
32 L 075
36 L 075
40 L 075
48 L 075
60 L 075
72 L 075
84 L 075
96 L 075
120 L 075
18
19
20
21
22
23
24
25
26
27
28
30
32
36
40
48
60
72
84
96
120
3F
3F
3F
3F
3F
3F
3F
3F
3F
3F
3F
3F
3F
3F
3F
3WF
3W
3A
7A
7A
7A
St
St
St
St
St
St
St
St
St
St
St
St
St
GG
GG
GG
GG
GG
GG
GG
GG
54.57
57.61
60.64
63.67
66.70
69.73
72.77
75.80
78.83
81.86
84.89
90.96
97.02
109.15
121.28
145.53
181.91
218.30
254.68
291.06
363.83
53.81
56.84
59.88
62.91
65.94
68.97
72.00
75.04
78.07
81.10
84.13
90.20
96.26
108.39
120.51
144.77
181.15
217.53
253.90
290.30
363.07
60
60
66
71
75
79
79
83
87
87
91
97
103
115
127
152
—
—
—
—
—
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
32
32
32
Taper bush
1108
1610
2012
10-28
14-42
14-50
25 — — —
25 — — —
25 — — —
25 — — —
25 — — —
25 — — —
25 — — —
25 — — —
25 — — —
25 — — —
25 — — —
25 — — —
25 — — —
25 — — —
25 — — —
25 — —
92
25 — —
92
25 — —
92
32 3.5 — 106
32 3.5 — 106
32 3.5 — 106
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
124
166
202
236
270
343
1108
1108
1108
1108
1108
1108
1108
1108
1108
1108
1108
1108
1108
1610
1610
1610
1610
1610
2012
2012
2012
St = Steel
GG= Grey cast iron
Subject to changes
due to production.
0.2
0.3
0.3
0.4
0.4
0.4
0.5
0.6
0.6
0.7
0.7
0.9
1.0
1.2
1.7
2.5
3.0
4.0
5.2
6.5
7.6
TIMING BELT PULLEYS
optibelt ZRS Profile L for optibelt TB TAPER BUSHES
Design 5F
Design 5WF
Design 9W
Design 3A
Belt
designation
rial
teeth
dw
[mm]
da
[mm]
DB
[mm]
b1
[mm]
B
[mm]
N
[mm]
V
[mm]
Z
[mm]
D
[mm]
Di
[mm]
Taper
bush
Weight
without
bush
approx.
[kg]
TB
TB
TB
TB
TB
18
19
20
21
22
L
L
L
L
L
100
100
100
100
100
18
19
20
21
22
5F
5F
5F
5F
5F
St
St
St
St
St
54.57
57.61
60.64
63.67
66.70
53.81
56.84
59.88
62.91
65.94
60
60
66
71
75
31
31
31
31
31
31
31
31
31
31
22
22
22
22
22
—
—
—
—
—
9.0
9.0
9.0
9.0
9.0
—
—
—
—
—
38
38
45
47
51
1108
1108
1108
1108
1108
0.2
0.3
0.4
0.4
0.4
TB
TB
TB
TB
TB
23
24
25
26
27
L
L
L
L
L
100
100
100
100
100
23
24
25
26
27
5F
5F
5F
5F
5F
St
St
St
St
St
69.73
72.77
75.80
78.83
81.86
68.97
72.00
75.04
78.07
81.10
79
79
83
87
87
32
32
32
32
32
32
32
32
32
32
22
22
22
22
22
—
—
—
—
—
10.0
10.0
10.0
10.0
10.0
—
—
—
—
—
54
54
56
60
62
1108
1108
1108
1108
1108
0.5
0.6
0.6
0.7
0.8
TB
TB
TB
TB
TB
28
30
32
36
40
L
L
L
L
L
100
100
100
100
100
28
30
32
36
40
5F
5F
5F
5F
5F
St
84.89
St
90.96
St
97.02
GG 109.15
GG 121.28
84.13 91 32
90.20 97 32
96.26 103 32
108.39 115 32
120.51 127 32
32
32
32
32
32
22
25
25
25
25
— 10.0 — 65
— 7.0 — 71
— 7.0 — 75
— 7.0 — 89
— 7.0 — 101
1108
1210
1210
1610
1610
0.8
0.9
1.0
1.4
1.7
TB
TB
TB
TB
TB
48
60
72
84
96
L
L
L
L
L
100
100
100
100
100
48
60
72
84
96
5WF
9W
3A
3A
3A
GG
GG
GG
GG
GG
144.77 152 32
181.15 — 32
217.53 — 32
253.90 — 32
290.30 — 32
32
32
32
32
32
25
25
32
32
32
—
—
—
—
—
7.0
3.5
—
—
—
1610
1610
2012
2012
2012
2.7
2.4
4.4
6.0
7.1
363.07
32
32
—
— 106 343 2012
8.5
TB 120 L 100
120 3A
145.53
181.91
218.30
254.68
291.06
GG 363.83
—
32
Taper bush
1108
1210
1610
2012
10-28
11-32
14-42
14-50
92
92
106
106
106
124
166
202
236
270
St = Steel
GG= Grey cast iron
Subject to changes
due to production.
TIMING BELT PULLEYS
optibelt ZRS Profile H for optibelt TB TAPER BUSHES
Design 5F
Design 5WF
Design 3WF
Design 9A
Design 7A
Belt
designation
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
16
18
19
20
21
22
23
24
25
26
27
28
30
32
36
40
44
48
60
72
84
96
120
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100*
100*
100*
rial
teeth
16
18
19
20
21
22
23
24
25
26
27
28
30
32
36
40
44
48
60
72
84
96
120
5F
5F
5F
5F
5F
5F
5F
5F
5F
5F
5F
5F
5F
5WF
5WF
5WF
3WF
3WF
9A
9A
9A
7A
7A
St
St
St
St
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
dw
[mm]
64.68
72.77
76.81
80.55
84.89
88.94
92.98
97.02
101.06
105.11
109.15
113.19
121.28
129.36
145.53
161.70
177.87
194.04
242.55
291.06
339.57
388.08
485.10
da
[mm]
63.31
71.39
75.44
79.48
83.52
87.56
91.61
95.65
99.69
103.73
107.78
111.82
119.90
127.99
144.16
160.33
176.50
192.67
241.18
289.69
338.20
386.71
483.73
DB
[mm]
b1
[mm]
B
[mm]
N
[mm]
V
[mm]
Z
[mm]
D
[mm]
Di
[mm]
Taper
bush
Weight
without
bush
approx.
[kg]
71
79
83
87
91
93
97
103
106
111
115
119
127
135
152
168
184
200
—
—
—
—
—
31
31
31
31
32
32
32
32
32
32
32
32
32
32
32
32
32
32
34
34
34
34
34
31
31
31
31
32
32
32
32
32
32
32
32
32
32
32
32
32
32
34
34
34
45
45
22
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
32
32
32
32
32
45
45
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
5.5
5.5
9
6
6
6
7
7
7
7
7
7
7
7
7
7
7
7
—
—
1
1
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
92
92
92
106
106
106
106
106
119
119
45
52
56
60
63
67
71
75
79
83
87
91
99
108
124
140
153
169
223
270
318
366
462
1108
1210
1210
1210
1210
1210
1610
1610
1610
1610
1610
1610
1610
1610
1610
1610
2012
2012
2012
2012
2012
2517
2517
0.4
0.5
0.6
0.7
0.8
0.9
0.9
1.0
1.0
1.2
1.3
1.5
1.7
2.0
2.7
3.6
3.8
3.2
4.8
5.7
6.8
8.2
12.1
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
18
19
20
21
22
23
24
25
26
27
28
30
32
36
40
44
48
60
72
84
96
120
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150*
150*
150*
18
19
20
21
22
23
24
25
26
27
28
30
32
36
40
44
48
60
72
84
96
120
5F
5F
5F
5F
5F
5F
5F
5F
5F
5F
5F
5F
5WF
5WF
5WF
5WF
5WF
9A
9A
9A
9A
9A
St
St
St
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
72.77
76.81
80.55
84.89
88.94
92.98
97.02
101.06
105.11
109.15
113.19
121.28
129.36
145.53
161.70
177.87
194.04
242.55
291.06
339.57
388.08
485.10
71.39
75.44
79.48
83.52
87.56
91.61
95.65
99.69
103.73
107.78
111.82
119.90
127.99
144.16
160.33
176.50
192.67
241.18
289.69
338.20
386.71
483.73
79
83
87
91
93
97
103
106
111
115
119
127
135
152
168
184
200
—
—
—
—
—
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
46
46
46
46
46
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
46
46
46
46
46
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
32
32
32
32
32
45
45
Taper bush
1108
1210
1610
2012
2517
10-28
11-32
14-42
14-50
16-60
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
13.0
13.0
7.0
7.0
7.0
0.5
0.5
—
—
—
—
—
—
—
—
—
—
—
—
92
92
92
106
106
106
106
106
119
119
53
56
60
64
68
71
74
78
82
87
91
99
108
124
140
153
169
223
270
320
366
462
1210
1210
1210
1210
1210
1610
1610
1610
1610
1610
1610
1610
1610
1610
1610
2012
2012
2012
2012
2012
2517
2517
0.6
0.7
0.8
1.0
1.2
1.3
1.2
1.2
1.4
1.6
1.8
2.0
2.3
3.1
4.0
4.4
4.8
5.4
6.5
8.4
11.0
14.8
St = Steel
GG= Grey cast iron
Subject to changes
due to production.
TIMING BELT PULLEYS
optibelt ZRS Profile H for optibelt TB TAPER BUSHES
Design 5F
Design 5WF
Design 9A
Design 4F
Design 4WF
Belt
designation
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
18
19
20
21
22
23
24
25
26
27
28
30
32
36
40
44
48
60
72
84
96
120
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200*
200*
200*
rial
teeth
18
19
20
21
22
23
24
25
26
27
28
30
32
36
40
44
48
60
72
84
96
120
5F
5F
5F
5F
5F
5F
5F
5F
5F
5F
5F
5F
5F
5WF
5WF
5WF
5WF
9A
9A
9A
9A
9A
St
St
St
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
dw
[mm]
da
[mm]
DB
[mm]
b1
[mm]
B
[mm]
N
[mm]
V
[mm]
Z
[mm]
D
[mm]
Di
[mm]
Taper
bush
Weight
without
bush
approx.
[kg]
72.77
76.81
80.55
84.89
88.94
92.98
97.02
101.06
105.11
109.15
113.19
121.28
129.36
145.53
161.70
177.87
194.04
242.55
291.06
339.57
388.08
485.10
71.39
75.44
79.48
83.52
87.56
91.61
95.65
99.69
103.73
107.78
111.82
119.90
127.99
144.16
160.33
176.50
192.67
241.18
289.69
338.20
386.71
483.73
79
83
87
91
93
97
103
106
111
115
119
127
135
152
168
184
200
—
—
—
—
—
58
58
58
58
58
58
58
58
58
58
58
58
58
58
58
58
58
60
60
60
60
60
58
58
58
58
58
58
58
58
58
58
58
58
58
58
58
58
58
60
60
60
60
60
25
25
25
25
25
25
25
25
25
25
25
25
32
32
32
32
45
45
45
45
45
45
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
33.0
33.0
33.0
33.0
33.0
33.0
33.0
33.0
33.0
33.0
33.0
33.0
26.0
26.0
26.0
26.0
13.0
7.5
7.5
7.5
7.5
7.5
—
—
—
—
—
—
—
—
—
—
—
—
—
102
106
106
119
119
119
119
119
119
52
56
60
64
68
71
74
78
82
87
91
99
107
124
140
153
169
223
270
320
366
462
1210
1610
1610
1610
1610
1610
1610
1610
1610
1610
1610
1610
2012
2012
2012
2012
2517
2517
2517
2517
2517
2517
0.8
0.9
1.0
1.7
1.5
1.8
1.5
1.5
1.8
1.9
1.9
2.3
3.0
3.0
3.6
4.5
4.6
7.0
8.0
9.0
11.5
15.4
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
TB
20
21
22
23
24
25
26
27
28
30
32
36
40
44
48
60
72
84
96
120
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300*
300*
300*
20
21
22
23
24
25
26
27
28
30
32
36
40
44
48
60
72
84
96
120
4F
4F
4F
4F
4F
4F
4F
4F
4F
4F
4F
4F
4F
4WF
4WF
9A
9A
9A
9A
9A
St
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
GG
80.55
84.89
88.94
92.98
97.02
101.06
105.11
109.15
113.19
121.28
129.36
145.53
161.70
177.87
194.04
242.55
291.06
339.57
388.08
485.10
79.48
83.52
87.56
91.61
95.65
99.69
103.73
107.78
111.82
119.90
127.99
144.16
160.33
176.50
192.67
241.18
289.69
338.20
386.71
483.73
87
91
93
97
103
106
111
115
119
127
135
152
168
184
200
—
—
—
—
—
84
84
84
84
84
84
84
84
84
84
84
84
84
86
86
86
86
86
86
86
84
84
84
84
84
84
84
84
84
84
84
84
84
86
86
86
86
86
86
86
38
38
38
38
38
38
38
32
32
32
45
45
45
45
45
45
45
45
76
76
Taper bush
1210
1610
1615
2012
2517
3030
11-32
14-42
14-42
14-50
16-60
35-75
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
23.0
23.0
23.0
23.0
23.0
23.0
23.0
26.0
26.0
26.0
19.5
19.5
19.5
20.5
20.5
20.5
20.5
20.5
5.0
5.0
—
—
—
—
—
—
—
—
—
—
—
—
—
119
119
119
119
119
150
150
65
66
67
71
75
79
83
87
91
99
107
124
137
153
169
223
270
320
362
460
1615
1615
1615
1615
1615
1615
1615
2012
2012
2012
2517
2517
2517
2517
2517
2517
2517
2517
3030
3030
1.5
1.2
1.6
1.8
2.1
2.0
2.7
3.0
2.4
2.9
3.3
4.5
6.0
6.6
7.6
8.4
10.4
12.5
14.2
18.8
St = Steel
GG= Grey cast iron
Subject to changes
due to production.
TIMING BELT PULLEYS
optibelt ZRS Profile XH for optibelt TB TAPER BUSHES
Design 5F
Design 4WF
Design 9W
Design 7A
Design 9A
Belt
designation
rial
teeth
dw
[mm]
da
[mm]
DB
[mm]
b1
[mm]
B
[mm]
N
[mm]
V
[mm]
Z
[mm]
D
[mm]
Di
[mm]
Taper
bush
Weight
without
bush
approx.
[kg]
20.0
20.0
20.0
20.0
20.0
—
—
—
—
—
95
110
120
135
150
TB
TB
TB
TB
TB
18
20
22
24
26
XH
XH
XH
XH
XH
200*
200*
200*
200*
200*
18
20
22
24
26
5F
5F
5F
5F
5F
GG
GG
GG
GG
GG
127.34
141.49
155.64
169.79
183.94
124.55
138.69
152.84
166.69
181.14
138
154
168
183
198
64
64
64
64
64
64
64
64
64
64
45
45
45
45
45
—
—
—
—
—
2517
2517
2517
2517
2517
2.6
3.6
4.8
6.1
7.4
TB
TB
TB
TB
TB
28
30
32
40
48
XH
XH
XH
XH
XH
200*
200*
200*
200*
200*
28
30
32
40
48
4WF
4WF
4WF
4WF
9W
GG
GG
GG
GG
GG
198.08
212.23
226.38
282.98
339.57
195.29
209.44
223.59
280.18
336.78
211
226
240
296
—
64
64
64
64
64
64
64
64
64
64
45
45
45
51
51
— 10.0 120 165 2517
— 10.0 120 180 2517
— 10.0 120 195 2517
— 7.0 160 245 3020
— 6.5 160 300 3020
9.0
8.6
9.8
13.3
19.0
TB
TB
TB
TB
TB
18
20
22
24
26
XH
XH
XH
XH
XH
300*
300*
300*
300*
300*
18
20
22
24
26
5F
5F
5F
5F
5F
GG
GG
GG
GG
GG
127.34
141.49
155.64
169.79
183.94
124.55
138.69
152.84
166.69
181.14
138
154
168
183
198
90
90
90
90
90
90
90
90
90
90
45
45
45
45
45
—
—
—
—
—
45.0
45.0
45.0
45.0
45.0
—
—
—
—
—
95
110
120
135
150
2517
2517
2517
2517
2517
3.7
4.7
6.0
7.6
9.8
TB
TB
TB
TB
TB
28
30
32
40
48
XH
XH
XH
XH
XH
300*
300*
300*
300*
300*
28
30
32
40
48
5F
5F
5F
4WF
9W
GG
GG
GG
GG
GG
198.08
212.23
226.38
282.98
339.57
195.29
209.44
223.59
280.18
336.78
211
226
240
296
—
90
90
90
90
90
90
90
90
90
90
51
51
51
51
51
—
—
—
—
—
39.0
39.0
39.0
19.5
19.5
—
—
—
160
160
165
180
195
245
300
3020
3020
3020
3020
3020
11.6
11.9
13.8
19.5
27.0
Taper bush
2012
2517
3020
3535
14-50
16-60
25-75
35-90
110 GG= Grey cast iron
Subject to changes
due to production.
TIMING BELT PULLEYS
optibelt ZRS Profile XH for optibelt TB TAPER BUSHES
Design 5F
Design 4WF
Design 9W
Design 9A
Belt
designation
rial
teeth
dw
[mm]
da
[mm]
DB
[mm]
b1
[mm]
B
[mm]
N
[mm]
V
[mm]
Z
[mm]
D
[mm]
Di
[mm]
Taper
bush
Weight
without
bush
approx.
[kg]
154
168
183
198
211
119
119
119
119
119
119
119
119
119
119
TB
TB
TB
TB
TB
20
22
24
26
28
XH
XH
XH
XH
XH
400*
400*
400*
400*
400*
20
22
24
26
28
5F
5F
5F
5F
5F
GG
GG
GG
GG
GG
141.49
155.64
169.79
183.94
198.08
138.69
152.84
166.69
181.14
195.29
45
45
51
51
51
—
—
—
—
—
74.0
74.0
68.0
68.0
68.0
—
—
—
—
—
110
120
135
150
165
2517
2517
3020
3020
3020
6.0
7.2
8.4
10.3
12.3
TB
TB
TB
TB
30
32
40
48
XH
XH
XH
XH
400*
400*
400*
400*
30
32
40
48
5F
5F
4WF
9W
GG
GG
GG
GG
212.23
226.38
282.98
339.57
209.44 226 119 119 51
223.59 240 119 119 51
280.18 296 119 119 89
336.78 — 119 119 89
—
—
—
—
68.0
68.0
15.0
15.0
—
—
190
190
180
195
245
300
3020
3020
3535
3535
14.3
19.9
24.6
30.0
optibelt TB taper bushes
optibelt TB taper bushes provide simple assembly of the
pulleys onto the shafts – both with and without fitted keys.
Taper bush
2517
3020
3535
Bore d2 [mm] from... to ...
16-60
25-75
35-90
GG= Grey cast iron
Subject to changes
due to production.
Design Support
Flanged Pulleys / Tension Idlers
Flanged pulleys
The pulleys may be fitted with flanges on one or both sides
to assist the smooth running of the timing belt.
If the drive centre distance is ≥ 8 dwk one pulley should be
equipped with flanges on both sides.
We recommend the use of standard pulleys. If this is not
possible due to design reasons, special pulleys may be
employed.
Small pulley with flanges on both sides
Flanges on alternate sides
Maximum timing belt width
The maximum timing belt width should not exceed the pitch
diameter of the smallest pulley in the drive.
Tension idlers
Idlers are grooved or flat faced pulleys that do not transmit
power within the drive system. Because they create additional bending stresses within the belt, their use should be
used according to the following guidelines:
• Diameter of the tension idler ≥ according to the smallest
recommended pulley diameter for the profile
• Width of the idler ≥ widths of the timing belt pulleys in
the drive
• Always install idlers in the slack side of the drive
• Inside idlers:
≤ 40 teeth always use a timing belt pulley
> 40 teeth a flat belt pulley can be used
• In general, outside idlers should always be flat faced as
they run on the top surface of the belt
• Crowned idlers should never be used
• Fit the tension idlers in such a way as to enable as many
teeth as possible to mesh with the small pulley
• Keep the arc of contact on the tension idler as small as
possible
Both pulleys with flanges on both sides
slack side
flat faced pulley
n1
tight side
as far apart as possible
slack side
n1
tight side
as close as
possible
DESIGN SUPPORT
INSTALLATION AND MAINTENANCE
Safety hints
Drives which are correctly designed according to geometric
and performance aspects using Optibelt timing belts ensure
a high level of operational safety and optimum belt life.
It has been proved in practice that unsatisfactory service life
is frequently due to installation and maintenance errors.
We recommend that the following precautions be taken:
• Timing belt pulleys
The teeth should be clean and comply with standard
specifications.
• Alignment
All shafts and pulleys should be aligned before belt
installation.
Maximum deviation in shaft parallel alignment:
Belt width n [mm]
Angle deviation
≤ 25
± 1°
> 25 ≤ 50
± 0.5°
> 50 ≤ 100
± 0.25°
> 100
± 0.15°
• Timing belt sets
Timing belts which run in pairs or in multiples on the one
drive system must always be ordered as sets. This way it
is guaranteed that all belts are cut from the same production sleeve and have an identical length.
Correct
• Installation
Before installation, the drive centre distance should be
reduced to enable the timing belts to be fitted with
absolutely no force. If this is not possible the timing belts
must be fitted together with one or both of the pulleys.
Any use of force during the fitting of the belt will result in
damage to the high quality low-stretch tension cord and
other components; this damage may not be immediately
apparent.
In case taper bushes are used, the studs should be
checked after 0.5 to 1 hour via torque wrench. Tightening torque values see page 91.
• Tensioning
Tensioning should be carried out in accordance with the
guidelines on page 44. Once fitted, no further checking
or adjustment is necessary.
• Idlers
Idlers should be avoided. If this is not possible, please
follow our recommendations on page 112 of this manual.
• Maintenance
Optibelt timing belts require virtually no maintenance if
they are used under normal environmental conditions.
Incorrect
DESIGN HINTS
PROBLEMS – CAUSES – REMEDIES
Problems
Causes
Remedies
Severe wear on the belt tooth
faces
Incorrect belt tension
Tooth pitch selection error
Adjust belt tension
Check profile selected, and replace if
necessary
Use wider belts with higher power
transmission capability
Overloading
Excessive wear at the tooth
basis
Excessive belt tension
Drive design too weak
Incorrect pulleys
Reduce the tension
Increase belt width or pulley diameters
Replace pulleys
Unusual wear on the edges of
the belt
Shafts not parallel
Incorrect flanged pulleys
Drive centre distance varying during
running
Realign the shafts
Replace flanges
Strengthen mountings and chassis
Belt teeth shearing off
Too few teeth in mesh
Increase diameter of the small pulley
or choose wider belts
Redesign using wider belts or larger
pulleys
Overloading
Excessive lateral belt movement
Shafts not parallel
Pulleys not in line
Shock loading with belt tension too
great
Realign the shafts
Realign pulleys
Reduce the belt tension
Flanges becoming detached
Pulleys not in line
Very high lateral pressure of the timing
belt
Incorrect flange installation
Realign the pulleys
Realign the shafts
Apparent belt stretch
Incorrect storage
Adjust belt tension, reinforce and
secure bearing support
Excessive operating noise
Incorrect shaft alignment
Belt tension too high
Pulley diameter too small
Belt overloaded
Realign shafts
Reduce the tension
Increase pulley diameter
Increase belt width or number of teeth
in mesh
Reduce the belt width by redesign
using larger belt profile
Belt width too great at higher speeds
Install flanges correctly
Unusual wear on the pulleys
Unsuitable material
Incorrect tooth pitch
Insufficient surface hardness
Use stronger materials
Replace pulleys
Use harder material or carry out
surface hardening
Top surface of the belt brittle
and cracking
Ambient temperature above +100 °C
Unacceptable radiation
Replace belt with extra heat-resistant
design
Screen or use suitable belt design
Cracks in the belt surface
Ambient temperature
below –30 °C
Replace belt with extra cold-resistant
design
Softening of belt surface
Effects of contamination
Screen or use suitable belt design
DESIGN SUPPORT
optibelt ZR TIMING BELTS, DOUBLE-SIDED
ACCORDING TO ISO 5296
Structure
Drive design
The protective covering on both tooth faces and the resultant
identical power transmission capability of both sides of the
belt, allow for an unlimited distribution of the power to be
transmitted. The maximum allowed nominal power rating
can be transmitted from either the inner or the outer tooth
face. With several driven pulleys the power can be distributed in any combination through both sides of the belt.
The total power transmitted cannot, however, exceed the
maximum permitted levels.
Example:
Tension cord
As standard belts, the tension cord consists of continuous,
spirally wound glass fibre. This material ensures high tensile
strength with the minimum stretch. Exceptional flexibility is
achieved by embedding the cord in the centre.
Teeth
The teeth are arranged directly opposite each other and are
manufactured from a medium hard, shear- and wear-resistant rubber compound. They mesh exactly with the tooth
groove of the pulley with minimum resistance. As long as six
teeth or more are in mesh, the capacity of the belt is used
optimally.
Fabric cover
Both sides of the teeth are covered with a tough, friction
resistant fabric. This fabric with its low coefficient of friction
is therefore characterised by a long operational life.
The design must be based on the nominal power values for
standard belts (see pages 60 to 71). All available sizes on
pages 32 to 34.
DESIGN SUPPORT
ATTACHMENTS
OVERVIEW OF STANDARDS
Federal Republic of Germany
DIN 109 Sheet 1 – Drive Elements; Circumferential Speeds
DIN 109 Sheet 2 – Drive Elements; Centre Distances for V-Belt Drives
DIN 111
– Pulleys for Flat Transmission Belts; Dimensions,
Nominal Torque
DIN 111 Sheet 2 – Pulleys for Flat Transmission Belts; Classification for
Electrical Machines
DIN 2211 Sheet 1– Grooved Pulleys for Narrow V-Belts; Dimensions, Materials
DIN 2211 Sheet 2– Grooved Pulleys for Narrow V-Belts; Inspections of
Grooves
DIN 2211 Sheet 3– Grooved Pulleys for Narrow V-Belts; Classification for
Electrical Machines
DIN 2215
– Endless V-Belts, Classic Profiles; Minimum Datum Diameter
of the Pulleys, Internal and Datum Belt Length
DIN 2216
– Open-Ended V-Belts; Dimensions
DIN 2217 Sheet 1– V-Belt Pulleys for Classic Profiles; Dimensions, Materials
DIN 2217 Sheet 2– V-Belt Pulleys for Classic Profiles; Inspections of Grooves
DIN 2218
– Endless V-Belts, Classic Profiles for Mechanical Engineering; Calculation of Drives, Performance Data
DIN 7716
– Rubber Products; Requirements for Storage, Cleaning and
Maintenance
DIN 7719 Part 1 – Endless Wide V-Belts for Industrial Speed Changers;
Belts and Groove Profiles for Corresponding Pulleys
DIN 7719 Part 2 – Endless Wide V-Belts for Industrial Speed Changers;
Measurement of Centre Distance Variations
DIN 7721 Part 1 – Synchronous Belt Drives, Metric Pitch; Synchronous Belts
DIN 7721 Part 2 – Synchronous Belt Drives, Metric Pitch; Tooth Space Profile
of Synchronous Pulleys
DIN 7722
– Endless Hexagonal Belts for Agricultural Machines and
Groove Profiles of Corresponding Pulleys
DlN 7753 Part 1 – Endless Narrow V-Belts for Mechanical Engineering;
Dimensions
DIN 7753 Part 2 – Endless Narrow V-Belts for Mechanical Engineering;
Drive Calculation, Performance Data
DIN 7753 Part 3 – Endless Narrow V-Belts for the Automotive Industry;
Dimensions
DIN 7753 Part 4 – Endless Narrow V-Belts for the Automotive Industry;
Fatigue Testing
DIN 7867
– V-Ribbed Belts and Pulleys
DIN/ISO 5290 – Grooved Pulleys for Joined Narrow V-Belts;
Groove Profiles: 9J; 15J; 20J; 25J
DIN/ISO 5294 – Synchronous Belt Drives; Pulleys
DIN/ISO 5296 – Synchronous Belt Drives; Belts
DIN 22100-7
– Articles from Synthetics for Use in Underground Mines,
Paragraph 5.4 – V-Belts
DIN EN 60695-11-10
– Fire Hazard Testing
ISO – lnternational Organization for Standardization
ISO 22
ISO
ISO
ISO
ISO
63
99
100
155
ISO 254
ISO 255
ISO 1081
ISO 1604
ISO 1813
ISO 2230
ISO 2790
ISO 3410
116 – Widths of Flat Transmission Belts and Corresponding
Pulleys
– Flat Belt Drives; Lengths
– Diameter of the Belt Pulleys for Flat Belts
– Bulging Height of the Belt Pulleys for Flat Belts
– Belt Pulleys; Limiting Values for Adjustment of Centre
Distances
– Quality, Finish and Balance of Belt Pulleys
– Pulleys for Classic V-Belts and Narrow V-Belts; Geometric
Testing of Grooves
– Vocabulary from V-Belts, V-Ribbed Belts and Pulleys
– Endless Speed Changer Belts and Pulleys for Mechanical
Engineering
– Electrical Conductibility of V-Belts, Kraftbands, V-Ribbed
Belts, Wide V-Belts, Double Profile V-Belts
– Please Consult DIN 7716
– Narrow V-Belt Drives for the Automotive Industry;
Dimensions
– Endless Speed Changer Belts and Pulleys for Agricultural
Machinery
ISO 4183
ISO 4184
ISO 5256
– Grooved Pulleys for Classic V-Belts and Narrow V-Belts
– Classic V-Belts and Narrow V-Belts; Lengths
– Synchronous Belt Drives; Belt Tooth Pitch Code
Part 1 MXL; XL; L; H; XH; XXH
Part 2 MXL; XXL Metric Dimension
ISO 5287
–Narrow V-Belts for the Automotive Industry;
Fatigue Testing
ISO 5288
– Vocabulary from Timing Belt Drives
ISO 5289
– Endless Double Profile V-Belts and Pulleys
for Agricultural Machinery
ISO 5290
– Grooved Pulleys for Joined Narrow V-Belts;
Profiles: 9J; 15J; 20J; 25J
ISO 5291
– Grooved Pulleys for Joined Classic V-Belts;
Profiles: AJ; BJ; CJ; DJ
ISO 5292
– Industrial V-Belt Drives; Calculations of the Performance
Data and Centre Distance
ISO 5294
– Synchronous Belt Drives; Pulleys – “Inch Pitch”
ISO 5295
– Timing Belts; Calculations of the Performance Data and
Centre Distance – “Inch Pitch”
ISO 5296
– Synchronous Belt Drives; Belts – “Inch Pitch”
ISO 8370-1
– Dynamic Test to Determine Pitch Zone Location
with V-Belts
ISO 8370-2
– Dynamic Test to Determine Pitch Zone Location
with V-Ribbed Belts
ISO/DIS 8419
– Belt Drives, Joined Narrow V-Belts; Lengths in Effective
System; 9N/J, 15N/J, 25N/J
ISO 9010
– Synchronous Belt Drives – Automotive Belts
ISO 9011
– Synchronous Belt Drives – Automotive Pulleys
ISO 9563
– Antistatic Endless Synchronous Belts; Electrical Conductibility; Characteristics and Testing Method
ISO 9980
– Belt Drives; V-Belt Pulleys; Geometric Inspection of
Grooves
ISO 9981
– Belt Drives – Pulleys and V-Ribbed Belts for the Automotive
Industry; PK Profile
ISO 9982
– Belt Drives; Pulleys and V-Ribbed Belts for Industrial
Requirements; Geometric Data PH, PJ, PK, PL and PM
ISO 11749
– Belt Drives – V-Ribbed Belts for the Automotive Industry,
Fatigue Testing
ISO 12046
– Synchronous Belt Drives, Automotive Belts;
Physical Characteristics
ISO/CD 13050 – Synchronous Belt Drives, Curvilinear Timing Belts
ISO/CD 17396 – Synchronous Belt Drives; Metric Pitch, Profiles T and AT
USA
RMA/MPTA
RMA/MPTA
RMA/MPTA
RMA/MPTA
RMA/MPTA
IP-20
IP-21
IP-22
IP-23
IP-24
– Classic V-Belts and Sheaves (A; B; C; D; Cross Profiles)
– Double (Hexagonal) Belts (AA; BB; CC; DD Cross Profiles)
– Narrow Multiple V-Belts (3V; 5V; and 8V Cross Profiles)
– Single V-Belts (2L; 3L; 4L; and 5L Cross Profiles)
–Synchronous Belts (MXL; XL; L; H; XH; and XXH Belt
Profiles)
RMA/MPTA IP-25 – Variable Speed V-Belts (12 Cross Profiles)
RMA/MPTA IP-26 – V-Ribbed Belts (PH; PJ; PK; PL; and PM Cross Profiles)
RMA/MPTA IP-27 –Curvilinear Toothed Synchronous Belts (8M – 14M
Pitches)
ASAE S 211. ... – V-Belt Drives for Agricultural Machines
SAE J636b
– V-Belts and Pulleys
SAE J637
– Automotive V-Belt Drives
DESIGN HINTS
DATA SHEET FOR THE CALCULATION/CHECKING
OF TIMING BELT DRIVES
.
.
Company:
Street address/P.O. Box number:
Town or city/Post code:
Contact person:
Department: Date:
Phone: Fax:
E-mail:
Currently fitted with:
For test New drive
For pilot production For series production Requirement______ Pieces/Year
pitch length
Existing drive
(e.g. electric motor, diesel engine 3 cylinders)
Size of the starting torque
Type of start
(e.g. star delta)
Daily operating time
width
manufacturer
Driven machine
Prime mover
Type
profile
____________________________
(e.g. MA = 1.8 MN)
Type
________________________
(e.g. lathe, compressor)
_________________________________________
Start:
under load no load
Type of load:
steady
pulsating
________________________________________
__________________ ________________________
Number of starts______________ hours
per hour
per day
shock
per minute per hour
Required power
Change in the direction
of rotation ___________________ Power:
P normal_________________________________________kW
transmission:
P normal___________________________________kW
P maximum_______________________________________kW
P maximum_________________________________kW
or max. torque____________________ Nm at n1 ______________ min-1
or max. torque____________________ Nm at n2 ______________ min-1
Speed n1 ______________________________________________ min-1
Driven speed n2 ______________________________________ min-1
Shaft layout:
horizontal
vertical
n2 min ___________________________________ min-1
inclined <)______________________ °
n2 max ___________________________________ min-1
Maximum allowed shaft loading Sa max ________________________ N
Maximum allowed shaft loading Sa max ________________________ N
Pitch diameter or number of teeth on the pulley:
Pitch diameter or number of teeth on the pulley:
dw1
dw2
_________________ mmz1
___________________mm
_________________ mmz2
___________________mm
dw1 min_________________ mmz1 min ___________________mm
dw2 min_________________ mmz2 min ___________________mm
dw1 max_________________ mmz1 max ___________________mm
dw2 max_________________ mmz2 max ___________________mm
Maximum pulley face width _________________________________mm
Maximum pulley face width _________________________________mm
Drive ratio i _______________ imin ___________ imax __________________
Centre distance a _______________ mm
amin __________ mmamax _______________ mm
Tensioning/idler pulley: inside idler in tight side
outside idler in slack side
dw mm pulley moveable
da mm flat pulley
Operating conditions: Ambient temperature (e.g. spring loaded)
_______
________________________________ °C minimum
fixed
________________________________ °C maximum
Influence ofoil
(e.g. oil mist, drops)
water (e.g. spray water)
______________________________
acid (type, concentration, temperature)
dust (type)
_______________________________
_____________________
_______________________________________
Special drives: e.g. for drives with tensioning/idler pulleys, three or multi-pulley drives or for drives
with contra rotating pulleys drawings are necessary. Please use the other side of this
page for this drawing.
Details about the drive:
Notes
Notes
Owner of any and all copyrights and intellectual property rights as well as other rights of use and exploitation: Arntz Optibelt Group, Höxter/Germany.
Any use, exploitation, reproduction, and any transfer to third parties by any means shall require the prior written approval of the Arntz Optibelt Group,
Höxter/Germany.
Print: 41-1570/0215Hux
OPTIBELT GmbH
37671 Höxter
T +49 (0) 52 71- 6 21
F +49 (0) 52 71- 97 62 00
GErmAny
E info @ optibelt.com
Corveyer Allee 15
www.optibelt.com

OPTIBELT TE CHNICAL MANUAL Rubber Timing Belt Drives

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