Doerr Worm Gear Reducers

DOERR
Doerr Worm Gear Reducers
Sizes 133 - 325, Single Reduction Worm Gear
BY EMERSON
Basic Specifications
•
Doerr reducers are designed
and manufactured to be interchangeable with major industry
competitors
•
Double lipped and spring loaded
nitrile shaft seals are used on
ground shafts for high reliability
and long life
•
Integral worm and shaft carburized and hardened to 58 RC
for extra strength
•
Fine close grain cast iron, highcapacity oil, duplex milled parallel mounting surfaces
•
Heavy-duty tapered roller bear- •
ings on all output shafts
Standard seals and bearings all
commerically available
•
Forged bronze worm gears provide greater tensile strength
Large Oil Reservoir for proper
lubrication and heat dissipation
•
Single Reduction
Type
175
206
262
325
BQ
$519
$572
$632
$913
$1365
TQ
$555
$610
$682
$974
$1462
VQ & JQ
$599
$669
$745
$1043
$1554
B
$446
$477
$555
$826
$1251
T&U
$481
$514
$604
$866
$1347
BM
$596
$627
$705
$1096
$1565
TM & UM
$631
$665
$755
$1156
$1662
VM
$676
$724
$817
$1226
$1754
V
$526
$573
$667
$956
$1439
DBL O.S.
$30
$36
$44
$62
$80
Double Reduction
Type
Double Reduction Sizes
133
175
206
262
325
DT & DU
$1270
$1389
$1458
$1794
$2266
DTM & DTQ
$1370
$1432
$1513
$1840
$2410
DVQ & DVM
$1404
$1509
$1635
$1949
$2540
DTJ
$1370
$1432
$1513
$1840
$2410
DV
$1300
$1422
$1486
$1854
$2411
DUM & DUQ
$1370
$1432
$1513
$1840
$2410
DS
$1376
$1617
$1758
$2118
$2521
DSQ
$1456
$1678
$1817
$2212
$3056
133
175
206
262
325
Horizontal Base
$35
$38
$50
$60
$97
Vertical Short
$80
$97
$112
$130
$189
Vertical Long
$80
$97
$112
$130
$189
Type
Accessories
Single Reduction Sizes
133
Accessory Sizes
Vertical J
$80
$97
$112
$130
$189
Output Flange
$87
$89
$116
$130
$156
Torque Arm
$21
$21
$24
$38
$55
Tie Rod Kit
$81
$81
$118
$118
$118
www.mldltd.com
DOERR
Doerr Worm Gear Reducers
Sizes 133 - 325, Single Reduction Worm Gear
BY EMERSON
Single Reduction - 1750 RPM Input Ratings
Single Reduction Sizes
Ratio
(RPM)
Spec. Catagory
133
175
206
262
325
5
(350)
INPUT MECH. H.P.
MECH. O.T.
INPUT THERMAL H.P.
THERMAL O.T.
OHL - O.S
THRUST - O.S.
1.10
172
1.02
158
554
502
1.953
317
--826
524
2.65
435
2.56
420
1093
761
5.76
953
--1350
884
12.07
2011
9.39
1556
2110
1306
10
(175)
INPUT MECH. H.P.
MECH. O.T.
INPUT THERMAL H.P.
THERMAL O.T.
OHL - O.S
THRUST - O.S.
0.888
265
--554
625
1.680
526
--983
632
2.440
779
--1373
956
4.870
1568
--1601
1086
9.500
3072
7.393
2373
2857
1698
15
(117)
INPUT MECH. H.P.
MECH. O.T.
INPUT THERMAL H.P.
THERMAL O.T.
OHL - O.S
THRUST - O.S.
0.665
277
--554
759
1.240
550
--983
800
1.79
814
1.56
705
1420
1187
3.55
1635
2.93
1349
1601
1396
6.51
3030
4.65
2123
2857
2171
20
(88)
INPUT MECH. H.P.
MECH. O.T.
INPUT THERMAL H.P.
THERMAL O.T.
OHL - O.S
THRUST - O.S.
0.523
274
--554
652
0.993
575
.806
467
983
910
1.53
894
1.10
642
1420
1329
2.93
1721
1.73
1031
1601
1594
5.06
3014
3.61
2106
2857
2534
30
(58)
INPUT MECH. H.P.
MECH. O.T.
INPUT THERMAL H.P.
THERMAL O.T.
OHL - O.S
THRUST - O.S.
0.408
297
--554
990
0.773
610
.746
585
983
1069
1.02
848
.851
705
1420
1584
2.16
1787
1.55
1244
1601
1890
3.46
2872
2.25
1867
2857
3021
40
(44)
INPUT MECH. H.P.
MECH. O.T.
INPUT THERMAL H.P.
THERMAL O.T.
OHL - O.S
THRUST - O.S.
0.316
284
--554
1104
0.602
581
--983
1209
0.809
793
.621
608
1420
1783
1.677
1699
1.13
1083
1601
2145
2.60
2700
1.76
1834
2857
3398
50
(35)
INPUT MECH. H.P.
MECH. O.T.
INPUT THERMAL H.P.
THERMAL O.T.
OHL - O.S
THRUST - O.S.
0.284
280
--554
1178
0.512
574
.496
556
983
1314
0.657
752
--1420
1939
1.398
1638
.883
1009
1601
2341
2.10
2576
1.73
2125
2857
3694
60
(29)
INPUT MECH. H.P.
MECH. O.T.
INPUT THERMAL H.P.
THERMAL O.T.
OHL - O.S
THRUST - O.S.
0.251
272
--554
1270
0.451
557
.401
486
983
1405
0.558
716
--1420
2071
1.161
1552
.780
1086
1601
2511
1.85
2460
1.26
1671
2857
3945
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DOERR
Doerr Worm Gears BQ
Sizes 133 - 325, Single Reduction Worm Gear
Style BQ
Dimensions are in inches
Size
133
175
206
262
325
A
B
D
31/2
41/4
2
General
E
F
G
H
J
31/4 1/4-20 415/16 13/4
AN
M
11/3 227/32
4
Shaft Dimensions
Output Shaft
Input Flange
33/8 413/16 23/4 43/16 5/16-18 53/4 21/16 13/4 313/32 45/16
33/4
51/2
27/8
47/16 71/8
33/8
5
81/2
4
5 5/16-18 63/8 29/32 21/16 321/32 411/16
63/8 3/8-16
8
71/2 7/16-14 93/8
215/16 25/8 49/16 55/8
31/2
Style TQ
Size
133
175
206
262
325
A
B
C
55/8
55/8
59/16
7
1/2
D
E
F
G
53/4 13/32 67/16 23/4
57/8 711/16 23/32 411/16 63/8 15/32 73/32
61/2
91/4
73/4 111/8
3/4
7/8
H
35/16 43/8 11/32 57/16 21/4
11/16 41/2
51/4
61/8
8
N
W
KEYWAY
O
O
O1
O1
5/8
13/4
3/16 x 3/32
35/8
--
--
--
37/8
--
--
--
41/4
--
--
--
413/16 413/16 53/8
--
7/8
17/8
1
2
11/8
21/2
31/4 57/16 71/16 13/8 35/16
3
J
1/4 x 1/8
1/4 x 1/8
3/8 x 3/16
511/16 511/16 61/4
61/4
AN
M
N
W KEYWAY O
O
O1 O1
11/3 227/32
4
5/8
13/4
1
2
11/8
21/2
13/4 313/32 45/16
21/16 321/32 411/16
17/32 83/4 311/16 25/8 49/16 55/8
91/2 17/32 101/4 43/8
3/16 x 3/32
Shaft Dimensions
Output Shaft Input Flange
Dimensions are in inches
General
BY EMERSON
7/8
17/8
31/4 57/16 71/16 13/8 35/16
3/16 x 3/32
35/8
--
--
--
37/8
--
--
--
1/4 x 1/8
41/4
--
--
--
413/16 413/16 53/8
--
3/16 x 3/32
1/4 x 1/8
3/8 x 3/16
511/16 511/16 61/4
61/4
Frame
Input Flange
P
P1
R
S
T
56C
1/2
--
61/2
57/8
41/2
13/32 .625
3/16 x 3/32
140TC
1/2
--
61/2
57/8
41/2
13/32 .875
3/16 x 3/32
180TC
--
9/16
9
71/4
81/2
17/32 1.125
1/4 x 1/8
210TC
--
9/16
9
71/4
81/2
17/32 1.375 5/16 x 5/32
P
P1
R
S
T
56C
1/2
--
61/2
57/8
41/2
13/32 .625
3/16 x 3/32
140TC
1/2
--
61/2
57/8
41/2
13/32 .875
3/16 x 3/32
180TC
--
9/16
9
71/4
81/2
17/32 1.125
1/4 x 1/8
210TC
--
9/16
9
71/4
81/2
17/32 1.375 5/16 x 5/32
Frame
U
BORE KEYWAY
Input Flange
U
BORE KEYWAY
www.mldltd.com
DOERR
Doerr Worm Gears BQ
Sizes 133 - 325, Single Reduction Worm Gear
Dimensions are in inches
Style B
Size
133
175
206
262
325
A
B
D
E
31/2
41/4
2
31/4
33/8
413/16
23/4
51/2
27/8
43/16
5/16-18
71/8
33/8
63/8
81/2
4
71/2
3/8-16
33/4
47/16
5
5
Dimensions are in inches
Style T
Size
General
A
133 55/8
175 59/16
206 57/8
262 61/2
325 73/4
BY EMERSON
Shaft Dimensions
Input Shaft
Output Shaft
F
G
H
J
AN
K
L
V
KEYWAY
M
N
W
KEYWAY
1/4-20
415/16
13/4
11/3
1/2
1/8 x 1/16
4
5/8
13/4
13/4
47/16
41/4
21/16
227/32
3/16 x 3/32
51/16
5/8
53/4
5/16-18
63/8
7/16-14
93/8
8
General
313/32
411/16
49/16
63/16
29/32
21/16
321/32
31/2
31/4
57/16
215/16
25/8
71/16
5/8
413/16
3/16 x 3/32
3/4
71/8
3/16 x 3/32
51/2
81/2
7/8
45/16
7/8
17/8
1
2
3/16 x 3/32
411/16
55/8
11/8
21/2
3/16 x 3/32
71/16
13/8
35/16
3/16 x 3/32
1/4 x 1/8
1/4 x 1/8
3/8 x 3/16
Shaft Dimensions
Input Shaft
Output Shaft
B
C
D
E
F
G
H
J
AN
K
L
V
KEYWAY
M
N
W
KEYWAY
55/8
1/2
35/16
43/8
11/3
13/4
1/2
1/8 x 1/16
5/8
13/4
23/4
47/16
4
3/16 x 3/32
23/32
411/16
63/8
83/4
51/16
5/8
7/8
61/8
91/2
311/16
21/16
321/32
8
73/32
3
51/4
15/32
67/16
227/32
41/4
53/4
57/16
21/4
41/2
11/32
31/4
57/16
7
711/16
91/4
111/8
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11/16
3/4
13/32
17/32
17/32
101/4
43/8
25/8
313/32
411/16
49/16
63/16
71/16
5/8
413/16
3/16 x 3/32
3/4
71/8
3/16 x 3/32
7/8
51/2
81/2
45/16
7/8
17/8
1
2
3/16 x 3/32
411/16
55/8
11/8
21/2
3/16 x 3/32
71/16
13/8
35/16
3/16 x 3/32
1/4 x 1/8
1/4 x 1/8
3/8 x 3/16