Tapered Roller Bearings

● Tapered Roller Bearings
Metric series
T
r1
C
B
r
φd
φD
a
d 15 〜 30mm
Boundary dimensions
mm
D
T
B
C
rs min1）
d
rls min1）
Basic load ratings
Limiting speeds
dynamicstatic dynamic static
kNkgf min-1
Cr
Cor
Cr
Cor
greaseoil
Bearing
numbers
15
42 14.2513 11
1
1
23.2 20.8 2 370
2 120
9 900
13 000 4T-30302
17
40 13.2512 11
40 17.2516 14
40 17.2516 14
47 15.2514 12
1
1
1
1
1
1
1
1
20.5 20.3 2 090
27.3 28.3 2 790
26.2 28.2 2 670
28.9 26.3 2 940
2 070
2 880
2 870
2 680
9 900
9 900
9 900
9 000
13 000
13 000
13 000
12 000
4T-30203
4T-32203
4T-32203R2）
4T-30303
20
4215 1512
47 15.2514 12
47 19.2518 15
52 16.2516 13
52 16.2516 12
52 22.2521 18
0.60.6
1 1
1 1
1.5 1.5
1.5 1.5
1.5 1.5
24.9 27.92 540
28.2 28.7 2 870
36.5 39.5 3 700
35.5 34.0 3 600
31.0 31.0 3 150
46.5 48.5 4 750
2 840
2 930
4 000
3 450
3 150
4 950
9 500
8 800
8 800
8 000
7 600
8 000
13 000
12 000
12 000
11 000
10 000
11 000
4T-32004X
4T-30204
4T-32204
4T-30304A
4T-30304CA
4T-32304
22
4415
1511.50.60.6 27.031.52 760
3 250
8 900
12 000 4T-320/22X
25
4715 1511.50.60.6
4717 1714 0.60.6
52 16.2515 13 1 1
52 19.2518 16 1 1
52 19.2518 15 1 1
52 19.2518 15 1 1
52 19.2518 15 1 1
5222 2218 1 1
62 18.2517 15 1.5 1.5
62 18.2517 14 1.5 1.5
62 18.2517 13 1.5 1.5
62 25.2524 20 1.5 1.5
27.833.52 830
32.5 40.53 300
31.5 34.0 3 200
42.0 47.0 4 300
38.0 43.0 3 850
38.0 46.5 3 900
34.5 42.0 3 500
47.5 57.54 850
48.5 47.5 4 950
41.5 41.5 4 250
40.5 43.5 4 150
61.5 64.5 6 250
3 450
4 150
3 450
4 800
4 400
4 750
4 250
5 850
4 850
4 250
4 450
6 600
7 900
8 000
7 300
7 300
7 300
7 100
7 100
7 300
6 700
6 400
5 900
6 700
11 000
11 000
9 800
9 800
9 800
9 400
9 400
9 800
8 900
8 500
7 800
8 900
28
5216
5824
33.0 40.53 400
58.0 69.55 950
4 150
7 100
7 300
6 700
9 700 4T-320/28X
8 900 4T-332/28
30
5517 1713 1 1
5520 2016 1 1
62 17.2516 14 1 1
62 21.2520 17 1 1
62 21.2520 17 1 1
6225 2519.51 1
72 20.7519 16 1.5 1.5
37.5 46.03 800
42.5 54.04 300
43.5 48.0 4 450
54.5 64.0 5 600
50.0 60.0 5 100
65.0 77.06 600
60.0 61.0 6 100
4 700
5 500
4 900
6 550
6 100
7 850
6 200
6 900
6 900
6 300
6 300
6 100
6 300
5 700
9 200
9 200
8 400
8 400
8 100
8 400
7 600
1612 1 1
2419 1 1
1）Minimal allowable dimension for chamfer dimension r or r1.
2）This bearing does not incorporate the subunit dimensions.
B-128
4T-32005X
4T-33005
4T-30205
4T-32205
4T-32205R2）
4T-32205C
4T-32205CR2）
4T-33205
4T-30305
4T-30305C
4T-30305D
4T-32305
4T-32006X
4T-33006
4T-30206
4T-32206
4T-32206C
4T-33206
4T-30306
● Tapered Roller Bearings
Sa
Sb
Equivalent radial load
dynamic
Pr＝XFr＋YFa
Fa
Fa
Fr ≦e
Fr ＞e
X Y X
Y
1
0 0.4 Y2
static
Por＝0.5Fr＋YoFa
r1a
ra
φDa φdb
φda φDb
When Por＜Fr use Por＝Fr
For values of e, Y2 and Yo
see the table below.
Dimensions
Abutment and fillet dimensions
series to
mm
ISO
da
db
Da
Db
Sa
Sb
ras
r1as
min
max
Load ConstantAxial Mass
center
load factors
mmkg
max
min
min
min
min maxmax
a
e
Y2
Yo
(approx.)
2FB
20.522 36.535 38 2 311 9.5
0.29
2.11
1.16
0.098
2DB
22.523
2DD
22.523
22.522
2FB 22.5
24
34.533
34.533
34.533
41.5
40
37 2
37 2
36.52
42
3
3CC24.5 25
2DB
25.527
2DD
25.526
2FB28.5 28
28.5 27.5
2FD28.5 27
37.5 36 39
41.540 44
41.539 43
43.5 42.5 47.5
43.5 39.5 48
43.5 43 47
3
2
2
3
3
3
3 0.60.610.50.371.600.880.097
311 11.5
0.35
1.74
0.96
0.127
411 12.5
0.33
1.81
1.00
0.16
3 1.51.510.50.302.001.100.176
4 1.51.513.50.551.100.600.17
4 1.51.514 0.302.001.100.245
3CC 26.5 27
39.5 38
3
3.50.60.6 11 0.401.510.83 0.106
4CC 29.5 30
2CE 29.5
29
3CC
30.531
2CD
30.531
30.531
5CD
30.530
30.530
2DE
30.530
2FB33.5 34
33.5 34
7FB33.5 34
2FD33.5 32
42.5 40 44 3
42.5
40
43.5
3
46.544 48 2
46.543 49.52
46.543 48 2
46.542 49 2
46.542 49 2
46.543 49 4
53.5 52 57 3
53.5 48 58 3
53.5 45.5 58.5 3
53.5 52 57 3
41
211 9.5
0.35
1.74
0.96
0.08
311 11.5
0.31
1.92
1.06
0.102
311 110.35
1.74
0.96
0.104
3.5 1
1
10.5 0.29 2.11 1.16 0.134
3.50.60.6 12 0.431.390.77 0.114
3
0.6 0.6 11
0.29 2.07 1.14 0.13
311 12.5
0.37
1.60
0.88
0.154
411 140.36
1.67
0.92
0.187
411 13.5
0.37
1.60
0.88
0.181
411 160.58
1.03
0.57
0.19
411 160.55
1.10
0.60
0.19
411 140.35
1.71
0.94
0.217
3 1.51.513 0.302.001.100.272
4 1.51.516 0.551.100.600.264
5 1.51.520 0.830.730.400.284
5 1.51.516 0.302.001.100.381
4CC
33.533 46.545 49 3 411 12.5
0.43
1.39
0.77
0.146
2DE
33.534 52.549 55 5 511 15.5
0.34
1.77
0.97
0.293
4CC
35.535 49.548 52 3 411 13.5
0.43
1.39
0.77
0.166
2CE
35.535.549.546.552 3 411 130.29
2.06
1.13
0.201
3DB
35.537 56.553 57 2 311 13.5
0.37
1.60
0.88
0.241
3DC
35.537 56.552 58 2.5411 15.5
0.37
1.60
0.88
0.301
5DC
35.535 56.549 59.52 511 18.5
0.56
1.07
0.59
0.294
2DE 35.5
36
56.5
53
59
5
5.5 1
1
16
0.34 1.76 0.97 0.344
2FB 38.5 40 63.5 62 66 3 4.51.51.5 15 0.311.901.05 0.408
B-129
● Tapered Roller Bearings
Metric series
T
r1
C
B
r
φd
φD
a
d 30 〜 45mm
Boundary dimensions
mm
d
D
T
B
C
rs min1）
rls min1）
Basic load ratings
Limiting speeds
dynamicstatic dynamic static
kNkgf min-1
Cr
Cor
Cr
Cor
greaseoil
1.5 1.5
1.5 1.5
1.5 1.5
1.5 1.5
1.5 1.5
Bearing
numbers
4T-30306CA
4T-30306D
4T-32306
＊ 4T-32306C
4T-32306CR2）
30
72 20.7519 15
72 20.7519 14
72 28.7527 23
72 28.7527 23
72 28.7527 23
58.5 58.5 6 000
48.5 51.5 4 950
81.0 90.0 8 250
79.0 94.0 8 050
70.0 88.5 7 150
5 950
5 250
9 150
9 550
9 050
5 500
5 000
5 700
5 500
5 500
7 300
6 700
7 600
7 300
7 300
32
5817 1713 1 1 37.0 46.53 750
6526 2620.51 1 70.5 85.07 200
75 29.75 28 23 1.5 1.5 84.0102 8 600
4 750
8 650
10 400
6 600
6 000
5 200
8 700 4T-320/32X
8 000 4T-332/32
6 900 4T-323/32C
35
5514 1411.50.60.6 27.437.52 790
6218 1814 1 1 41.5 52.54 250
6221 2117 1 1 50.5 66.55 150
72 18.2517 15 1.5 1.5 55.5 61.5 5 650
72 24.2523 19 1.5 1.5 72.5 87.0 7 400
72 24.2523 19 1.5 1.5 68.0 85.5 6 950
72 24.2523 18 1.5 1.5 62.0 78.5 6 300
72 28
28 22 1.5 1.5 87.5109 8 900
80 22.7521 18 2 1.5 75.0 77.0 7 650
80 22.7521 17 2 1.5 66.5 68.5 6 750
80 22.7521 15 2 1.5 63.5 70.0 6 450
80 32.7531 25 2 1.5101 115 10 300
80 32.75 31 25 2 1.5 93.0117 9 500
3 850
5 350
6 800
6 250
8 900
8 750
8 000
11 200
7 900
7 000
7 100
11 700
12 000
6 800
6 100
6 100
5 500
5 500
5 300
5 300
5 500
5 000
4 800
4 400
5 000
4 800
9 000
8 100
8 100
7 400
7 400
7 100
7 100
7 400
6 600
6 400
5 800
6 600
6 400
32907XU
4T-32007X
4T-33007
4T-30207
4T-32207
4T-32207C
4T-32207CR2）
4T-33207
4T-30307
4T-30307C
4T-30307D
4T-32307
4T-32307C
40
6215 1512 0.60.6 32.5 48.03 350
6819 1914.51 1 50.0 65.55 100
6822 2218 1 1 59.5 82.56 050
75 26
26 20.5 1.5 1.5 79.5103 8 100
80 19.7518 16 1.5 1.5 61.0 67.0 6 250
80 24.7523 19 1.5 1.5 79.5 93.5 8 100
80 32 32 25 1.5 1.5103 132 10 500
85 33
32.528
2.5 2
118 144 12 000
90 25.25 23 20 2 1.5 91.5102 9 350
90 25.2523 19 2 1.5 83.0 87.0 8 450
90 25.2523 17 2 1.5 77.0 85.5 7 850
90 35.2533 27 2 1.5122 150 12 500
90 35.2533 27 2 1.5110 140 11 300
4 900
6 650
8 400
10 500
6 850
9 550
13 400
14 700
10 400
8 900
8 700
15 300
14 300
5 900
5 300
5 300
5 200
4 900
4 900
4 900
4 600
4 400
4 200
3 900
4 400
4 200
7 800
7 100
7 100
6 900
6 600
6 600
6 600
6 200
5 900
5 600
5 200
5 900
5 600
32908XU
4T-32008X
4T-33008
4T-33108
4T-30208
4T-32208
4T-33208
4T-T2EE040
4T-30308
4T-30308C
4T-30308D
32308U
4T-32308C
45
6815
5 250
5 300
7 000
＊ 32909XU
1512 0.60.6 33.5 51.53 450
1）Minimal allowable dimension for chamfer dimension r or r1. 2）This bearing does not incorporate the subunit dimensions.
Note: When selecting bearings with bearing numbers marked with " ＊ ", please consult NTN Engineering.
B-130
● Tapered Roller Bearings
Sa
Sb
Equivalent radial load
dynamic
Pr＝XFr＋YFa
Fa
Fa
Fr ≦e
Fr ＞e
X Y X
Y
1
0 0.4 Y2
static
Por＝0.5Fr＋YoFa
r1a
ra
φDa φdb
φda φDb
When Por＜Fr use Por＝Fr
For values of e, Y2 and Yo
see the table below.
Dimensions
Abutment and fillet dimensions
series to
mm
ISO
da
db
Da
Db
Sa
Sb
ras
r1as
min
38.5
7FB 38.5
2FD 38.5
5FD 38.5
38.5
Load ConstantAxial Mass
center
load factors
mmkg
max
max
min
min
39.5
39
38
37
37
63.5
63.5
63.5
63.5
63.5
57
55
59
57
57
67
68
66
68
67.5
a
e
Y2
Yo
min
min maxmax
3
3
3
2
2
5.51.51.5 17.50.471.270.70 0.398
6.51.51.5 23.50.830.730.40 0.398
5.51.51.5 18.50.311.901.05 0.583
5.51.51.5 23 0.551.100.60 0.592
5.51.51.5 23 0.610.990.54 0.594
(approx.)
4CC
37.538 52.550 55 3 411 14.5
0.45
1.32
0.73
0.181
2DE 37.5
38
59.5
55
62
5
5.5 1
1
17
0.35 1.73 0.95 0.395
5FD 40.5 39 66.5 61 71 3 6.51.51.5 23 0.551.100.60 0.659
2BD 39.5 40 50.5 48 52.5
4CC
40.540 56.554 59
2CE
40.540.556.552 59
3DB43.5 44 63.5 62 67
3DC43.5 43 63.5 61 67
5DC43.5 42 63.5 59 68
43.5 42 63.5 59 68
2DE43.5 42 63.5 61 68
2FB45 45 71.5 70 74
45 44 71.5 63.5 75.5
7FB45 44 71.5 62 76.5
2FE45 43 71.5 66 74
5FE45 43 71.5 66 76
2.5
4
3
3
3
3
3
5
3
3
3
3
3
2BC 44.5
45.5
3CD 45.5
46
2BE
45.546
2CE 48.5 47
3DB 48.5 49
3DC 48.5 48
2DE48.5 47
2EE
52 48
2FB50 52
50 50
7FB50 50
2FD50 50
5FD50 48
57.5
54
62.5
60
62.560
66.5 65
71.5 69
71.5 68
71.5 67
75 70
81.5 77
80 72
81.5 71
81.5 73
81.5 72
3
3
0.6 0.6 11.5 0.29 2.07 1.14 0.161
4
4.5 1
1
15
0.38 1.58 0.87 0.273
2.5411 150.28
2.12
1.17
0.312
4 5.51.51.5 18 0.361.690.93 0.494
3 3.51.51.5 16.50.371.600.88 0.435
3 5.51.51.5 19 0.371.600.88 0.558
5 7 1.51.521 0.361.680.920.728
5 522 22.5
0.34
1.74
0.96
0.907
3 5 2 1.519.50.351.740.960.769
3.5 6 2 1.523 0.551.100.600.728
3 8 2 1.529.50.830.730.400.738
3 8 2 1.523 0.351.740.961.08
3 8 2 1.527.50.551.100.601.1
2BC50
63.5 59.5 64.5 3
50
58.5
65
64
71
75
75
76
80
82
85.5
86.5
82
84
2.50.60.6 10.50.292.061.13 0.121
411 15.5
0.45
1.32
0.73
0.224
411 140.31
1.97
1.08
0.263
3 1.51.515 0.371.600.880.344
5 1.51.517.50.371.600.880.457
6 1.51.521.50.581.030.570.461
6 1.51.520.50.551.100.600.461
6 1.51.518.50.351.700.930.531
4.52 1.517 0.311.901.050.540
5.52 1.520.50.551.100.600.517
7.52 1.526 0.830.730.400.530
7.52 1.520.50.311.901.050.787
7.52 1.525 0.551.100.600.797
3 0.60.612 0.321.881.040.188
B-131
● Tapered Roller Bearings
Metric series
T
r1
C
B
r
φd
φD
a
d 45 〜 60mm
Boundary dimensions
mm
d
D
T
B
C
rs min1）
rls min1）
Basic load ratings
Limiting speeds
dynamicstatic dynamic static
kNkgf min-1
Cr
Cor
Cr
Cor
greaseoil
Bearing
numbers
45
7520 2015.51 1 57.5 76.55 850
7524 2419 1 1 66.0 93.56 750
80 26
26 20.5 1.5 1.5 84.5115 8 650
85 20.7519 16 1.5 1.5 67.5 78.5 6 900
85 24.75 23 19 1.5 1.5 82.0100 8 350
85 32 32 25 1.5 1.5107 141 10 900
100 27.2525 22 2 1.5 111 126 11 300
100 27.25 25 18 2 1.5 96.0109 9 800
100 38.2536 30 2 1.5154 191 15 700
7 800
9 550
11 700
8 000
10 200
14 400
12 800
11 100
19 500
4 800
4 800
4 700
4 400
4 400
4 400
4 000
3 500
4 000
6 400
6 400
6 200
5 900
5 900
5 900
5 300
4 600
5 300
4T-32009X
4T-33009
4T-33109
4T-30209
4T-32209
4T-33209
4T-30309
4T-30309D
32309U
50
7215 1512 0.60.6 35.5 57.03 650
7215 1412 0.60.6 31.5 50.53 200
8020 2015.51 1 62.5 88.06 400
80 24
24 19 1 1
69.5103 7 100
85 26
26 20 1.5 1.5 86.5121 8 850
90 21.7520 17 1.5 1.5 77.0 93.0 7 850
90 24.75 23 19 1.5 1.5 87.5109 8 900
90 32 3224.51.51.5115 158 11 700
100 36 35 30 2.5 2.5151 190 15 400
10532 2922 3 3 107 132 10 900
110 29.2527 23 2.5 2 133 152 13 500
110 29.2527 19 2.5 2 113 130 11 600
110 42.2540 33 2.5 2 184 232 18 700
5 800
5 150
9 000
10 500
12 400
9 450
11 100
16 100
19 400
13 500
15 500
13 300
23 600
4 700
4 700
4 400
4 400
4 200
4 000
4 000
4 000
3 800
3 400
3 600
3 200
3 600
6 300
6 300
5 800
5 800
5 600
5 300
5 300
5 300
5 100
4 500
4 800
4 200
4 800
＊ 32910XU
329102）
4T-32010X
4T-33010
4T-33110
4T-30210
4T-32210
4T-33210
4T-T2ED050
4T-T7FC050
4T-30310
4T-30310D
32310U
55
8017 1714
90 23
23 17.5
90 27
27 21
9530 3023
100 22.75 21 18
100 26.7525 21
100 35 35 27
12031.5 2925
12031.5 2921
12045.5 4335
1 1 44.5 73.54 550
1.5 1.5 80.5118 8 200
1.5 1.5 91.5138 9 350
1.51.5111 155 11 300
2 1.5 93.0111 9 500
2 1.5108 134 11 000
2 1.5138 188 14 100
2.52 155 179 15 800
2.52 132 154 13 500
2.52 215 275 21 900
7 500
12 000
14 100
15 800
11 300
13 700
19 100
18 300
15 700
28 000
4 300
4 000
4 000
3 900
3 600
3 600
3 600
3 300
2 900
3 300
5 700
5 400
5 400
5 200
4 900
4 900
4 900
4 400
3 800
4 400
32911XU
4T-32011X
4T-33011
4T-33111
4T-30211
4T-32211
4T-33211
4T-30311
4T-30311D
32311U
60
8517
95 23
95 27
100 30
1 1 51.0 83.05 200
1.5 1.5 82.0123 8 350
1.5 1.5 93.5145 9 550
1.51.5113 164 11 600
8 450
12 500
14 700
16 700
4 000
3 700
3 700
3 600
5 300
4 900
4 900
4 700
32912XA2）
4T-32012X
4T-33012
4T-33112
1714
23 17.5
27 21
3023
1）Minimal allowable dimension for chamfer dimension r or r1.
2）This bearing does not incorporate the subunit dimensions.
B-132
● Tapered Roller Bearings
Sa
Sb
Equivalent radial load
dynamic
Pr＝XFr＋YFa
Fa
Fa
Fr ≦e
Fr ＞e
X Y X
Y
1
0 0.4 Y2
static
Por＝0.5Fr＋YoFa
r1a
ra
φDa φdb
φda φDb
When Por＜Fr use Por＝Fr
For values of e, Y2 and Yo
see the table below.
Dimensions
Abutment and fillet dimensions
series to
mm
ISO
da
db
Da
Db
Sa
Sb
ras
r1as
min
max
3CC 50.5
51
2CE
50.551
3CE 53.5 52
3DB 53.5 54
3DC 53.5 53
3DE53.5 52
2FB55 59
7FB55 56
2FD55 56
Load ConstantAxial Mass
center
load factors
mmkg
max
min
69.5
67
69.567
71.5 69
76.5 74
76.5 73
76.5 72
91.5 86
91.5 79
91.5 82
a
e
Y2
Yo
min
min
min maxmax
72
71
77
80
81
81
93
96
93
4
4
4
3
3
5
3
3
3
4.5 1
1
16.5 0.39 1.53 0.84 0.346
511 160.29
2.04
1.12
0.398
5.51.51.5 19.50.381.570.86 0.542
4.51.51.5 18 0.401.480.81 0.495
5.51.51.5 20 0.401.480.81 0.607
7 1.51.522 0.391.560.860.783
5 2 1.521 0.351.740.961.01
9 2 1.532.50.830.730.400.958
8 2 1.525.50.351.740.961.46
2BC 54.5 55 67.5 63.5 69
54.5 55 67.5 63.5 69.5
3CC 55.5
56
74.5
72
77
2CE
55.556 74.572 76
3CE58.5 56 76.5 74 82
3DB 58.5 58 81.5 79 85
3DC 58.5 58 81.5 78 85
3DE 58.5 57 81.5 77 87
2ED
62 59 88 84 94
7FC64 60 91 78 100
2FB
62 65100 95102
7FB
62 62100 87105
2FD
62 62100 90102
(approx.)
3 3 0.60.613.50.341.760.970.191
3 3 0.60.614.50.361.670.920.192
4
4.5 1
1
17.5 0.42 1.42 0.78 0.366
4 511 17.5
0.32
1.90
1.04
0.433
4 6 1.51.520.50.411.460.800.58
3 4.51.51.5 19.50.421.430.79 0.563
3 5.51.51.5 21 0.421.430.79 0.648
5 7.51.51.5 23.50.411.450.80 0.852
6 622 25.5
0.34
1.75
0.96
1.31
4 10 2.52.536.50.870.690.381.23
3 622 230.35
1.74
0.96
1.31
31022 350.83
0.73
0.40
1.25
3 922 28.5
0.35
1.74
0.96
1.92
2BC60.560.574.570.576.53 311 14.5
0.31
1.94
1.07
0.274
3CC 63.5 63 81.5 81 86 4 5.51.51.5 20 0.411.480.81 0.563
2CE63.5 63 81.5 81 86 5 6 1.51.519.50.311.921.060.643
3CE63.5 62 86.5 83 91 5 7 1.51.522 0.371.600.880.846
3DB65 64 91.5 88 94 4 4.52 1.521 0.401.480.810.74
3DC65 63 91.5 87 95 4 5.52 1.522.50.401.480.810.876
3DE65 62 91.5 85 96 6 8 2 1.525.50.401.500.831.15
2FB 67
71
110
104
111
4
6.5 2
2
24.5 0.35 1.74 0.96 1.66
7FB 67
68
110
94
113
4
10.5 2
2
38
0.83 0.73 0.40 1.59
2FD 67
68
110
99
111
4
10.5 2
2
30.5 0.35 1.74 0.96 2.44
65.565.579.576.582
4CC 68.5 67 86.5 85 91
2CE68.5 67 86.5 85 90
3CE68.5 67 91.5 88 96
3
4
5
5
311 15.5
0.33
1.80
0.99
0.296
5.51.51.5 21 0.431.390.77 0.576
6 1.51.520.50.331.831.010.684
7 1.51.523.50.401.510.830.912
Note: When selecting bearings with bearing numbers marked with " ＊ ", please consult NTN Engineering.
B-133
● Tapered Roller Bearings
Metric series
T
r1
C
B
r
φd
φD
a
d 60 〜 75mm
Boundary dimensions
mm
d
D
T
B
C
rs min1）
rls min1）
Basic load ratings
Limiting speeds
dynamicstatic dynamic static
kNkgf min-1
Cr
Cor
Cr
Cor
greaseoil
Bearing
numbers
60
110 23.7522 19
110 29.7528 24
110 38 38 29
115 40 39 33
125 37
33.526
130 33.5 31 26
130 33.5 31 22
130 48.5 46 37
10 700
13 200
16 400
19 200
14 800
18 300
15 300
24 900
12 700
16 800
22 700
25 400
18 900
21 400
17 900
32 000
3 400
3 400
3 400
3 200
2 800
3 000
2 700
3 000
4 500
4 500
4 500
4 300
3 700
4 000
3 600
4 000
4T-30212
32212U
33212U
4T-T2EE060
4T-T7FC060
30312U
4T-30312D
32312U
65
9017 1714 1 1 48.5 85.04 900
100 23
23 17.5 1.5 1.5 83.0128 8 450
100 27
27 21 1.5 1.5 97.5156 9 950
110 34 34 26.5 1.5 1.5144 211 14 700
120 24.7523 20 2 1.5123 148 12 500
120 32.7531 27 2 1.5159 206 16 200
120 41 41 32 2 1.5195 265 19 900
140 36 33 28 3 2.5203 238 20 700
140 36 33 23 3 2.5173 204 17 700
140 51 48 39 3 2.5273 350 27 800
8 700
13 000
16 000
21 500
15 000
21 000
27 100
24 300
20 900
36 000
3 700
3 400
3 400
3 300
3 100
3 100
3 100
2 800
2 500
2 800
4 900
4 600
4 600
4 400
4 200
4 200
4 200
3 700
3 300
3 700
32913XU
4T-32013X
4T-33013
4T-33113
4T-30213
32213U
33213U
30313U
4T-30313D
32313U
70
100 20
20 16 1 1
68.5110
110 25 25 19 1.5 1.5105 160
110 31 31 25.5 1.5 1.5127 204
125 26.2524 21 2 1.5131 162
125 33.2531 27 2 1.5166 220
125 41 41 32 2 1.5201 282
140 39
35.527
3
3
173 231
150 38 35 30 3 2.5230 272
150 38 35 25 3 2.5193 229
150 54 51 42 3 2.5310 405
7 000
10 700
12 900
13 400
16 900
20 500
17 600
23 400
19 600
31 500
11 200
16 400
20 800
16 500
22 400
28 700
23 500
27 800
23 300
41 000
3 400
3 200
3 200
2 900
2 900
2 900
2 400
2 600
2 300
2 600
4 600
4 200
4 200
3 900
3 900
3 900
3 200
3 500
3 000
3 500
32914XU
4T-32014X
4T-33014
4T-30214
32214U
33214U
4T-T7FC070
30314U
4T-30314D
32314U
75
105 20
20 16 1 1
69.5114 7 100
115 25 25 19 1.5 1.5106 167 10 800
11531 3125.51.51.5111 186 11 300
130 27.2525 22 2 1.5139 175 14 200
130 33.2531 27 2 1.5168 224 17 100
130 41 41 31 2 1.5208 298 21 200
160 40 37 31 3 2.5255 305 26 000
160 40 37 26 3 2.5215 256 21 900
11 600
17 000
19 000
17 900
22 800
30 500
31 000
26 100
3 200
3 000
3 000
2 700
2 700
2 700
2 400
2 100
32915XU
4 300
32015XU
4 000
33015U
4 000
3 600 4T-30215
32215U
3 600
33215U
3 600
30315U
3 200
30315DU
2 800
2 1.5105
2 1.5130
2 1.5161
2.5 2.5188
3
3
145
3 2.5180
3 2.5150
3 2.5244
125
164
223
249
186
210
176
315
1）Minimal allowable dimension for chamfer dimension r or r1.
B-134
● Tapered Roller Bearings
Sa
Sb
Equivalent radial load
dynamic
Pr＝XFr＋YFa
Fa
Fa
Fr ≦e
Fr ＞e
X Y X
Y
1
0 0.4 Y2
static
Por＝0.5Fr＋YoFa
r1a
ra
φDa φdb
φda φDb
When Por＜Fr use Por＝Fr
For values of e, Y2 and Yo
see the table below.
Dimensions
Abutment and fillet dimensions
series to
mm
ISO
da
db
Da
Db
Sa
Sb
ras
r1as
min
3EB70
3EC70
3EE70
2EE
72
7FC74
2FB 74
7FB 74
2FD 74
max
Load ConstantAxial Mass
center
load factors
mmkg
max
min
min
70 101.5 96 103
69 101.5 95 104
69 101.5 93 105
70103 98109
72 111 94 119
77 118 112 120
73 118 103 124
74 118 107 120
min
min maxmax
a
e
Y2
Yo
(approx.)
4 4.52 1.522 0.401.480.810.949
4 5.52 1.525 0.401.480.811.18
6 9 2 1.527.50.401.480.821.55
6 722 28.5
0.33
1.80
0.99
1.86
4 11 2.52.542 0.820.730.402
4 7.52.52 26.50.351.740.96 2.06
4 11.52.52 40.50.830.730.40 1.97
4 11.52.52 32 0.351.740.96 3.02
2BC70.570 84.580 86.53 311 16.5
0.35
1.70
0.93
0.315
4CC 73.5 72 91.5 90 97 4 5.51.51.5 22.50.461.310.72 0.63
2CE73.5 72 91.5 89 96 5 6 1.51.521.50.351.720.950.732
3DE 73.5 73 101.5 96 106 6 7.51.51.5 26 0.391.550.85 1.28
3EB75 77 111.5106 113 4 4.52 1.523.50.401.480.811.18
3EC75 75 111.5104 115 4 5.52 1.527 0.401.480.811.58
3EE75 74 111.5102 115 7 9 2 1.529.50.391.540.851.98
2GB 79
83
128
122
130
4
8
2.5 2
28.5 0.35 1.74 0.96 2.55
7GB 79
79
128
111
133
4
13
2.5 2
44
0.83 0.73 0.40 2.42
2GD 79
80
128
117
130
4
12
2.5 2
34.5 0.35 1.74 0.96 3.66
2BC75.575 94.590 96
4CC78.5 78 101.5 98 105
2CE 78.5 79 101.5 99 105
3EB80 81 116.5110 118
3EC80 80 116.5108 119
3EE80 79 116.5107 120
7FC84 82 126 106 135
2GB 84
89
138
130
140
7GB 84
84
138
118
142
2GD 84
86
138
125
140
4 411 180.32
1.90
1.05
0.487
5 6 1.51.524 0.431.380.760.848
5 5.51.51.5 22.50.282.111.16 1.07
4 5 2 1.525.50.421.430.791.26
4 6 2 1.528.50.421.430.791.68
7 9 2 1.531 0.411.470.812.1
5 12 2.52.547.50.870.690.382.61
4
8
2.5 2
30
0.35 1.74 0.96 3.06
4
13
2.5 2
47
0.83 0.73 0.40 2.92
4
12
2.5 2
36.5 0.35 1.74 0.96 4.46
2BC80.580 99.594101.54 411 190.33
1.80
0.99
0.511
4CC83.5 83 106.5103 110 5 6 1.51.525.50.461.310.720.909
2CE 83.5 85 106.5 101 110.5 6 5.51.51.5 23 0.302.011.11 1.11
4DB85 85 121.5115 124 4 5 2 1.527 0.441.380.761.41
4DC85 85 121.5114 125 4 6 2 1.530 0.441.380.761.74
3EE85 83 121.5111 125 7 10 2 1.532 0.431.400.772.2
2GB 89
95
148
139
149
4
9
2.5 2
32
0.35 1.74 0.96 3.57
7GB 89
91
148
127
151
6
14
2.5 2
50
0.83 0.73 0.40 3.47
B-135
● Tapered Roller Bearings
Metric series
T
r1
C
B
r
φd
φD
a
d 75 〜 95mm
Boundary dimensions
mm
d
D
T
B
C
rs min1）
rls min1）
Basic load ratings
Limiting speeds
dynamicstatic dynamic static
kNkgf min-1
Cr
Cor
Cr
Cor
greaseoil
Bearing
numbers
160 58
3 2.5355 470 36 000
47 500
2 400
3 200
32315U
80
110 20
20 16 1 1
72.0121 7 350
125 29 29 22 1.5 1.5139 216 14 200
125 36 36 29.5 1.5 1.5173 284 17 600
140 28.2526 22 2.5 2 160 200 16 300
140 35.2533 28 2.5 2 199 265 20 300
14046 4635 2.52 250 365 25 500
170 42.5 39 33 3 2.5291 350 29 700
170 42.5 39 27 3 2.5236 283 24 100
170 61.5 58 48 3 2.5395 525 40 500
12 400
22 000
29 000
20 400
27 000
37 500
36 000
28 900
53 500
3 000
2 800
2 800
2 500
2 500
2 500
2 300
2 000
2 300
4 000
3 700
3 700
3 400
3 400
3 400
3 000
2 700
3 000
32916XU
32016XU
33016U
30216U
32216U
33216U
30316U
30316DU
32316U
85
120 23
130 29
130 36
15030.5
15038.5
15049
18044.5
18044.5
18063.5
23 18 1.5 1.5 94.0157 9 600
29 22 1.5 1.5142 224 14 400
36 29.5 1.5 1.5176 296 18 000
2824 2.52 183 232 18 600
3630 2.52 224 300 22 900
4937 2.52 284 420 29 000
4134 4 3 305 365 31 000
4128 4 3 247 293 25 200
6049 4 3 405 525 41 000
16 100
22 900
30 000
23 600
30 500
43 000
37 000
29 900
53 500
2 800
2 600
2 600
2 400
2 400
2 400
2 100
1 900
2 100
3 800
3 500
3 500
3 200
3 200
3 200
2 900
2 500
2 900
32917XU
32017XU
33017U
30217U
32217U
33217U
30317U
30317DU
32317U
90
125 23
140 32
140 39
16032.5
16042.5
19046.5
19046.5
19067.5
23 18 1.5 1.5 97.5168 9 950
32 24 2 1.5168 270 17 200
39 32.5 2 1.5215 360 21 900
3026 2.52 208 267 21 200
4034 2.52 262 360 26 700
4336 4 3 335 405 34 500
4330 4 3 270 320 27 600
6453 4 3 450 595 46 000
17 100
27 600
36 500
27 200
36 500
41 500
33 000
60 500
2 700
2 500
2 500
2 200
2 200
2 000
1 800
2 000
3 600
3 300
3 300
3 000
3 000
2 700
2 400
2 700
32918XU
32018XU
33018U
30218U
32218U
30318U
30318DU
32318U
95
130 23
145 32
145 39
170 34.5
170 45.5
20049.5
20049.5
20049.5
23 18 1.5 1.5101
32 24 2 1.5171
39 32.5 2 1.5219
32 27 3 2.5226
43 37 3 2.5299
4538 4 3 365
4538 3 3 315
4532 4 3 296
18 200
28 600
38 000
29 600
42 500
45 500
37 500
36 500
2 500
2 300
2 300
2 100
2 100
1 900
1 900
1 700
3 400
3 100
3 100
2 800
2 800
2 500
2 500
2 200
32919XU
32019XU
33019U
30219U
32219U
30319U
303192）
30319DU
75
55 45
178 10 300
280 17 500
375 22 400
290 23 000
415 30 500
445 37 500
365 32 500
355 30 000
1）Minimal allowable dimension for chamfer dimension r or r1.
2）This bearing does not incorporate the subunit dimensions.
B-136
● Tapered Roller Bearings
Sb
Sa
Equivalent radial load
dynamic
Pr＝XFr＋YFa
Fa
Fa
Fr ≦e
Fr ＞e
X Y X
Y
1
0 0.4 Y2
static
Por＝0.5Fr＋YoFa
r1a
ra
φDa φdb
φda φDb
When Por＜Fr use Por＝Fr
For values of e, Y2 and Yo
see the table below.
Dimensions
Abutment and fillet dimensions
series to
mm
ISO
da
db
Da
Db
Sa
Sb
ras
r1as
2GD
min
89
max
91
Load ConstantAxial Mass
center
load factors
mmkg
max
148
min
133
min
149
min
4
min maxmax
13
2.5
2
a
39
e
0.35
Y2
1.74
Yo
0.96
(approx.)
5.35
2BC85.585104.599106.54 411 200.35
1.71
0.94
0.54
3CC88.5 89 116.5112 120 6 7 1.51.527 0.421.420.781.28
2CE 88.5 89 116.5 112 119 6 6.51.51.5 25 0.282.161.19 1.6
3EB
92 91130 124132 4 622 27.5
0.42
1.43
0.79
1.72
3EC
92 90130 122134 4 722 310.42
1.43
0.79
2.18
3EE
92 89130 119135 7 1122 350.43
1.41
0.78
2.92
2GB 94 102 158 148 159 4 9.52.52 34 0.351.740.96 4.41
7GB 94 97 158 134 159 6 15.52.52 53.50.830.730.40 4.11
2GD 94 98 158 142 159 4 13.52.52 41.50.351.740.96 6.41
2BC 93.5 92 111.5111 115
4CC93.5 94 121.5117 125
2CE 93.5 94 121.5 118 125
3EB 97
97
140
132
141
3EC 97
96
140
130
142
3EE
97 95140 128144
2GB
103 107 166 156 167
7GB
103 103 166 143 169
2GD
103 102 166 150 167
4 5 1.51.521 0.331.831.010.773
6 7 1.51.528.50.441.360.751.35
6 6.51.51.5 26 0.292.061.13 1.7
5
6.5 2
2
30
0.42 1.43 0.79 2.14
5
8.5 2
2
33.5 0.42 1.43 0.79 2.75
71222 37.5
0.42
1.43
0.79
3.58
5 10.53 2.535.50.351.740.965.2
6 16.53 2.556 0.830.730.404.85
5 14.53 2.543 0.351.740.967.15
2BC 98.5 96
3CC
100 100
2CE
100 100
3FB 102
103
3FC 102
102
2GB
108 113
7GB
108 109
2GD
108 108
116.5112.5120.5
131.5125 134
131.5127 135
150
140
150
150
138
152
176 165 177
176 151 179
176 157 177
4 5 1.51.522 0.341.750.960.817
6 8 2 1.530 0.421.420.781.79
7 6.52 1.528 0.272.231.232.18
5
6.5 2
2
32
0.42 1.43 0.79 2.66
5
8.5 2
2
36
0.42 1.43 0.79 3.49
5 10.53 2.537.50.351.740.966.03
6 16.53 2.559 0.830.730.405.66
5 14.53 2.545.50.351.740.968.57
2BC103.5101
4CC
105 105
2CE
105 104
3FB109 110
3FC109 108
2GB113 118
113 118
7GB113 114
121.5117
136.5130
136.5131
158 149
158 145
186 172
186 172
186 154
4 5 1.51.523.50.361.680.920.851
6 8 2 1.531.50.441.360.751.83
7 6.52 1.528.50.282.161.192.27
5 7.52.52 34 0.421.430.79 3.07
5 8.52.52 39 0.421.430.79 4.3
5 11.53 2.540 0.351.740.966.98
5 11.53 2.540 0.351.730.956.58
6 17.53 2.562.50.830.730.406.47
125.5
140
139
159
161
186
186
187
Note: When selecting bearings with bearing numbers marked with " ＊ ", please consult NTN Engineering.
B-137
● Tapered Roller Bearings
Metric series
T
r1
C
B
r
φd
φD
a
d 95 〜 120mm
Boundary dimensions
mm
d
D
T
B
C
rs min1）
rls min1）
Basic load ratings
Limiting speeds
dynamicstatic dynamic static
kNkgf min-1
Cr
Cor
Cr
Cor
greaseoil
Bearing
numbers
95
20071.5 6755 4 3 505 670 51 500
68 500
1 900
2 500
100
140 25
140 25
145 24
150 32
150 39
180 37
180 49
21551.5
21551.5
21556.5
21577.5
25 20 1.5 1.5121 206 12 300
24 20 1.5 1.5 97.5162 9 950
22.517.5 3
3
107 153 10 900
32 24 2 1.5170 281 17 300
39 32.5 2 1.5224 390 22 800
34 29 3 2.5258 335 26 300
46 39 3 2.5330 465 33 500
4739 4 3 410 500 41 500
4739 3 3 345 400 35 000
5135 4 3 355 435 36 000
7360 4 3 570 770 58 500
21 000
16 500
15 600
28 600
39 500
34 500
47 500
51 000
40 500
44 000
78 500
2 400
2 400
1 800
2 200
2 200
2 000
2 000
1 800
1 800
1 800
1 800
3 200 ＊ 32920XU
3 200
329202）
2 400 4T-T4CB100
3 000
32020XU
3 000
33020U
2 700
30220U
2 700
32220U
2 400
30320U
2 400
303202）
2 400
31320XU
2 400
32320U
105
145 25
16035
16043
190 39
190 53
22553.5
22553.5
22558
22581.5
25 20
3526
4334
36 30
50 43
4941
4941
5336
7763
1.5 1.5126
2.52 201
2.52 245
3 2.5287
3 2.5380
4 3 435
3 3 365
4 3 380
4 3 610
219 12 800
335 20 500
420 25 000
380 29 300
540 38 500
530 44 500
420 37 000
470 39 000
825 62 500
22 400
34 000
43 000
38 500
55 500
54 500
43 000
47 500
84 500
2 300
2 100
2 100
1 900
1 900
1 700
1 700
1 700
1 700
3 000
2 800
2 800
2 500
2 500
2 300
2 300
2 300
2 300
32921XA2）
32021XU
33021U
30221U
32221U
＊ 30321U
303212）
＊ 31321XU
32321U
110
150 25
17038
17047
200 41
200 56
24054.5
24054.5
24063
24084.5
24084.5
25 20
3829
4737
38 32
53 46
5042
5042
5738
8065
8065
1.5 1.5127
2.52 236
2.52 288
3 2.5325
3 2.5420
4 3 480
3 3 400
4 3 430
4 3 705
3 3 620
226 13 000
390 24 000
500 29 400
435 33 000
605 43 000
590 49 000
465 40 500
535 44 000
970 72 000
830 63 500
23 100
39 500
51 000
44 000
62 000
60 000
47 000
54 500
98 500
84 500
2 200
2 000
2 000
1 800
1 800
1 600
1 600
1 600
1 600
1 600
2 900
2 700
2 700
2 400
2 400
2 200
2 200
2 200
2 200
2 200
32922XA2）
32022XU
33022U
30222U
32222U
＊ 30322U
303222）
31322XU
＊ 32322U
323222）
120
165 29
165 29
18038
215 43.5
29 23
2723
3829
40 34
1.5 1.5162
1.51.5118
2.52 245
3 2.5345
294 16 500
205 12 000
420 25 000
470 35 500
30 000
20 900
43 000
48 000
2 000
2 000
1 800
1 700
2 600
2 600
2 500
2 200
＊ 32924XU
329242）
32024XU
30224U
1）Minimal allowable dimension for chamfer dimension r or r1.
2）This bearing does not incorporate the subunit dimensions.
B-138
32319U
● Tapered Roller Bearings
Sb
Sa
Equivalent radial load
dynamic
Pr＝XFr＋YFa
Fa
Fa
Fr ≦e
Fr ＞e
X Y X
Y
1
0 0.4 Y2
static
Por＝0.5Fr＋YoFa
r1a
ra
φDa φdb
φda φDb
When Por＜Fr use Por＝Fr
For values of e, Y2 and Yo
see the table below.
Dimensions
Abutment and fillet dimensions
series to
mm
ISO
da
db
Da
Db
Sa
Sb
ras
r1as
min
2GD 113
max
113
Load ConstantAxial Mass
center
load factors
mmkg
max
186
min
166
min
186
min
min maxmax
3
2.5
a
49
e
0.35
Y2
1.74
Yo
(approx.)
5
16.5
0.96 10.1
2CC108.5107.5131.5127.5135.5
108.5107.5131.5127.5135.5
4CB114 109 131 130 140
4CC110 109 141.5134 144
2CE110 108 141.5135 143
3FB 114
116
168
157
168
3FC 114
114
168
154
171
2GB118 127 201 184 200
118 127 201 184 200
7GB118 121 201 168 202
2GD 118
121
201
177
200
4
4
4
6
7
5
5
5
5
7
5
5 1.51.524.50.331.821.001.14
5 1.51.525 0.351.730.951.08
6.52.52.5 30 0.471.270.70 1.15
8 2 1.532.50.461.310.721.91
6.52 1.529.50.292.091.152.37
8
2.5 2
36
0.42 1.43 0.79 3.78
10
2.5 2
41.5 0.42 1.43 0.79 5.12
12.53 2.541.50.351.740.968.56
12.53 2.542 0.351.730.957.72
21.53 2.569 0.830.730.408.67
17.5 3
2.5 53
0.35 1.74 0.96 12.7
113.5113.5136.5131.5140.5
4DC
117116150 143154
2DE
117116150 145153
3FB 119
122
178
165
178
3FC 119
119
178
161
180
2GB
123 132 211 193 209
123 132 211 193 209
7GB
123 126 211 176 211
2GD 123
128
211
185
209
5 5 1.51.525 0.341.760.971.20
6 922 34.5
0.44
1.35
0.74
2.42
7 922 310.28
2.12
1.17
3.00
6
9
2.5 2
38
0.42 1.43 0.79 4.39
6
10
2.5 2
44
0.42 1.43 0.79 6.25
6 12.53 2.543.50.351.740.969.79
6 12.53 2.543.50.351.730.958.93
7 22 3 2.571.50.830.730.409.68
6
18.5 3
2.5 55
0.35 1.74 0.96 14.5
118.5117.5141.5137 145.5
4DC
122122160 152163
2DE
122121160 152161
3FB 124
129
188
174
188
3FC 124
126
188
170
190
2GB 128
141
226
206
222
128 141 226 206222
7GB
128135226 188224
2GD 128
135
226
198
222
128 135 226 198 222
5 5 1.51.526.50.361.690.931.23
7 922 36.5
0.43
1.39
0.77
3.07
71022 33.5
0.29
2.09
1.15
3.80
6
9
2.5 2
40
0.42 1.43 0.79 5.18
6
10
2.5 2
47
0.42 1.43 0.79 7.43
6
12.5 3
2.5 45.5 0.35 1.74 0.96 11.4
6 12.5
3 2.5440.35
1.73
0.95
10.5
72532.5
760.83
0.73
0.40
11.9
6
19.5 3
2.5 57.5 0.35 1.74 0.96 18.0
6.519.53 2.5 56 0.351.730.9516.9
2CC128.5128.5156.5150 160
128.5130.5156.5147.5159.5
4DC
132131170 161173
4FB134 140 203 187 203
6
6
7
6
6 1.51.529.50.351.720.951.77
6 1.51.531 0.371.600.881.63
922 390.46
1.31
0.72
3.25
9.52.52 44 0.441.380.76 6.23
Note: When selecting bearings with bearing numbers marked with " ＊ ", please consult NTN Engineering.
B-139
● Tapered Roller Bearings
Metric series
T
r1
C
B
r
φd
φD
a
d 120 〜 170mm
Boundary dimensions
Basic load ratings
Limiting speeds
dynamicstatic dynamic static
mm
kNkgf
min-1
1）
1）
d
D
T
B
C
rs min
rls min
Cr
Cor
Cr
Cor
greaseoil
3
4
3
4
4
120
215 61.5
26059.5
26059.5
26068
260
90.5
130
180 32 32 25
18032 3026
20045 4534
230 43.7540 34
230 67.7564 54
280 63.7558 49
28072 6644
2 1.5194
2 2 142
2.52 320
4 3 375
4 3 530
5 4 650
5 4 600
350 19 800
252 14 500
545 32 500
505 38 000
815 54 000
830 66 000
780 61 500
140
190 32 32 25
21045 4534
250 45.7542 36
250 45.7542 36
250 71.7568 58
300 67.7562 53
30077 7047
2 1.5200
2.52 330
4 3 420
3 3 375
4 3 610
5 4 735
5 4 685
375 20 400
580 33 500
570 43 000
485 38 000
920 62 500
950 75 000
905 70 000
150
21038
225 48
27049
270 77
320 72
32072
320
82
160
22038
240 51
29052
290
84
340
75
34075
170 23038
58 50
5546
5546
6242
86
69
Bearing
numbers
2.5460 680 47 000 69 500
3 560 695 57 000 71 000
3 465 550 47 500 56 000
3 515 655 52 500 67 000
3
815 1 130
83 000 116 000
1 700
1 500
1 500
1 500
1 500
2 200
2 000
2 000
2 000
2 000
36 000
25 700
55 500
51 500
83 000
84 500
79 500
1 800
1 800
1 700
1 500
1 500
1 400
1 400
2 400 ＊ 32926XU
2 400 329262）
2 200 32026XU
2 000 30226U
2 000 32226U
1 800 30326U
1 800 31326XU
38 000
59 500
58 500
49 500
94 000
97 000
92 500
1 700
1 600
1 400
1 400
1 400
1 300
1 300
2 200 32928XU
2 100 32028XU
1 900 ＊ 30228U
1 900 302282）
1 900 32228U
1 700 30328U
1 700 31328XU
3830
48 36
4538
73 60
65 55
6555
75
50
2.52 268 490 27 300 50 000
3 2.5370 655 37 500 67 000
4 3 450 605 46 000 61 500
4 3 7001070 71 500 109 000
5 4 8251070 84 000 109 000
4 4 680 875 69 500 89 000
5
4
775 1 030
79 000 105 000
1 600
1 400
1 300
1 300
1 200
1 200
1 200
2 100 32930XU
1 900 32030XU
1 700 30230U
1 700 32230U
1 600 ＊ 30330U
1 600 303302）
1 600 31330XU
3830
51 38
4840
80
67
68
58
6858
2.52 276 520 28 200 53 000
3 2.5435 790 44 500 80 500
4 3 525 720 53 500 73 500
4
3
890 1 420
90 500 145 000
5
4
915 1 200
93 500 122 000
4 4 755 975 77 000 99 500
1 500
1 400
1 200
1 200
1 100
1 100
1 900 32932XU
1 800 32032XU
1 600 30232U
1 600 32232U
1 500 ＊ 30332U
1 500 303322）
1 400
1 800
3830 2.52 286 560 29 200
1）Minimal allowable dimension for chamfer dimension r or r1.
2）This bearing does not incorporate the subunit dimensions.
B-140
57 000
32224U
30324U
303242）
31324XU
32324U
32934XU
● Tapered Roller Bearings
Sa
Sb
Equivalent radial load
dynamic
Pr＝XFr＋YFa
Fa
Fa
Fr ≦e
Fr ＞e
X Y X
Y
1
0 0.4 Y2
static
Por＝0.5Fr＋YoFa
r1a
ra
φDa φdb
φda φDb
When Por＜Fr use Por＝Fr
For values of e, Y2 and Yo
see the table below.
Dimensions
Abutment and fillet dimensions
series to
mm
ISO
da
db
Da
Db
Sa
Sb
ras
r1as
min
max
Load ConstantAxial Mass
center
load factors
mmkg
max
min
min
min
min maxmax
a
e
Y2
Yo
(approx.)
4FD134 136 203 181 204
2GB 138
152
246
221
239
138
152
246
221
239
7GB
138145246 203244
2GD 138
145
246
213
239
6 11.52.52 51.50.441.380.76 9.08
6
13.5 3
2.5 49
0.35 1.74 0.96 14.2
6
13.5 3
2.5 48.5 0.35 1.73 0.95 13.2
92632.5
82.5
0.83
0.73
0.40
15.4
6
21.5 3
2.5 61.5 0.35 1.74 0.96 22.4
2CC
140 139 171.5163.5174
140139170 163.5
174
4EC
142144190 178192
4FB
148 152 216 203 218
4FD 148
146
216
193
219
2GB 152
164
262
239
255
7GB
152155.5
262 214.5
263
6 7 2 1.531.50.341.770.972.36
6 622 340.37
1.60
0.88
2.22
8 1122 43.5
0.43
1.38
0.76
4.96
7 9.53 2.545.50.441.380.767.25
7
13.5 3
2.5 57
0.44 1.38 0.76 11.2
8
14.5 4
3
53.5 0.35 1.74 0.96 17.4
92843 87.5
0.83
0.73
0.40
19
2CC
150 150 181.5177 184
4DC
152153200 187202
4FB
158 163 236 219 237
158 163 236 219 237
4FD 158
158
236
210
238
2GB 162
175.5 282
252
275.5
7GB
162165282 234280
6 6 2 1.534 0.361.670.922.51
8 1122 460.46
1.31
0.72
5.28
7 9.53 2.548.50.441.380.769.26
7 9.52.52.5 47.50.431.390.77 8.37
9
13.5 3
2.5 61
0.44 1.38 0.76 14.1
9
14.5 4
3
56.5 0.35 1.74 0.96 21.2
93043 940.83
0.73
0.40
23
2DC
162162200 192202
4EC 164
164
213
200
216
4GB
168175256 234255
4GD
168170256 226254
2GB
172193302 269292
172193302 269292
7GB
172176302 250302
7 822 36.5
0.33
1.83
1.01
3.92
8
12
2.5 2
49.5 0.46 1.31 0.72 6.37
7 1132.5
51.5
0.44
1.38
0.76
11.2
81732.5
64.5
0.44
1.38
0.76
18.2
81743 610.35
1.74
0.96
25.5
81743 62.5
0.37
1.60
0.88
24.7
93243100.5
0.83
0.73
0.40
27.7
2DC
172170.5
210 199213.57 822 38.5
0.35
1.73
0.95
4.15
4EC 174
175
228
213
231
8
13
2.5 2
52.5 0.46 1.31 0.72 7.8
4GB
178189276 252272 81232.5
55.5
0.44
1.38
0.76
12.9
4GD
178182276 242275101732.5
700.44
1.38
0.76
23.5
2GB
182205322 286310101743 640.35
1.74
0.96
29.9
182205322 286311101743 65.5
0.37
1.60
0.88
29.2
3DC
182183220 213222 7 822 42.5
0.38
1.57
0.86
4.4
Note: When selecting bearings with bearing numbers marked with " ＊ ", please consult NTN Engineering.
B-141
● Tapered Roller Bearings
Metric series
T
r1
C
B
r
φd
φD
a
d 170 〜 300mm
Boundary dimensions
Basic load ratings
Limiting speeds
dynamicstatic dynamic static
mm
kNkgf
min-1
1）
1）
d
D
T
B
C
rs min
rls min
Cr
Cor
Cr
Cor
greaseoil
Bearing
numbers
170
260 57
31057
310
91
360
80
360
80
57 43
5243
86
71
72
62
72
62
3
5
5
5
4
2.5500 895 51 000 91 000
4 610 845 62 000 86 500
4
1 000 1 600 102 000 163 000
4
1 010 1 320 103 000 135 000
4
845 1 100
86 000 113 000
1 300
1 100
1 100
1 000
1 000
1 700 32034XU
1 500 30234U
1 500 32234U
1 400 ＊ 30334U
1 400 303342）
180
25045
280
64
32057
320
91
4534
64
48
5243
86
71
2.52 350 700 36 000 71 500
3
2.5
645 1 170
66 000 119 000
5 4 630 890 64 000 91 000
5
4
1 030 1 690 105 000 172 000
1 300
1 200
1 100
1 100
1 700
1 600
1 400
1 400
190
26045
260 45
290
64
340
60
340
97
340
97
4534
42 36
64
48
55
46
92
75
92
75
2.52 355 710 36 000
2.5 2.5280 525 28 600
3
2.5
655 1 210
67 000
5
4
715 1 000
73 000
5
4
1 150 1 850
117 000
4
4
1 000 1 670 102 000
72 000
53 500
124 000
102 000
189 000
171 000
1 200
1 200
1 100
1 000
1 000
1 000
1 600 ＊ 32938XU
1 600 32938
1 500 32038XUE1
1 300 30238U
1 300 ＊ 32238U
1 300 322382）
200
280 51
310
70
360
64
360104
51 39
70
53
58
48
98
82
3
3
5
5
2.5485 895 49 000 91 000
2.5
800 1 470
81 500 149 000
4
785 1 110
80 000 113 000
4
1 320 2 130 134 000 217 000
1 100
1 100
950
950
1 500
1 400
1 300
1 300
30051
220 300 51
34076
51 39
48 41
76
57
3 2.5480 950 49 000 97 000
2.5 2.5345 670 35 500 68 500
4
3
920 1 690
94 000 173 000
1 000
1 000
960
1 40 ＊ 32944XUE1
1 400 32944E12）
1 300 32044XU
320
51
240 36076
51
76
39
57
3
4
2.5
3
490
930
1 000
1 760
50 000 102 000
95 000 179 000
940
870
1 200
1 200
32948XUE1
32048XU
360
63.5
260 40087
63.5 48
87
65
3
5
2.5
705
4
1 200
1 430
2 270
72 000 146 000
123 000 231 000
860
800
1 100
1 100
32952XUE1
32052XU
380
280 420
63.5 48
87
65
3
5
2.5
725
4
1 220
1 520
2 350
74 000 155 000
790
1 100 32956XUE1
125 000 240 000740 980
32056XU
4
5
3
4
2 090
2 830
103 000 213 000720 970
32960XUE1
152 000 289 000680 910
32060XU
420
300 460
63.5
87
76
100
76
100
57
74
1 010
1 490
1）Minimal allowable dimension for chamfer dimension r or r1.
2）This bearing does not incorporate the subunit dimensions.
B-142
32936XU
32036XUE1
30236U
32236U
2）
32940XUE1
32040XUE1
30240U
32240U
● Tapered Roller Bearings
Sa
Sb
Equivalent radial load
dynamic
Pr＝XFr＋YFa
Fa
Fa
Fr ≦e
Fr ＞e
X Y X
Y
1
0 0.4 Y2
static
Por＝0.5Fr＋YoFa
r1a
ra
φDa φdb
φda φDb
When Por＜Fr use Por＝Fr
For values of e, Y2 and Yo
see the table below.
Dimensions
Abutment and fillet dimensions
series to
mm
ISO
da
db
Da
Db
Sa
Sb
ras
r1as
min
max
Load ConstantAxial Mass
center
load factors
mmkg
max
min
min
min
min maxmax
a
e
Y2
Yo
(approx.)
4EC 184
187
248
230
249
10
14
2.5 2
56
0.44 1.35 0.74 10.5
4GB
192203292 266290.581443 60.5
0.44
1.38
0.76
17
4GD
192201292 258293102043 750.44
1.38
0.76
28.7
2GB
192212.5
342 305332.5
101843 680.35
1.74
0.96
35.3
192 215.5
342 297327 10 18 4 3 69.5
0.37
1.60
0.88
34.8
4DC
192193240 225241 8 1122 540.48
1.25
0.69
6.54
3FD 194
199
268
247
267
10
16
2.5 2
59.5 0.42 1.42 0.78 14.5
4GB
202211302 274297 91443 630.45
1.33
0.73
17.7
4GD
202204302 267305102043 77.5
0.45
1.33
0.73
30.7
4DC
202204250 235251 8 1122 550.48
1.26
0.69
6.77
202 204 248 235251 8 9 2 2 48.5
0.37
1.60
0.886.43
4FD 204
209
278
257
279
10
16
2.5 2
62.5 0.44 1.36 0.75 15.1
4GB
212228322 295316 91443 640.44
1.38
0.76
20.8
4GD
212216322 282323 112243 820.44
1.38
0.76
36.1
212 216 322 286323 11 22 4 3 87.5
0.49
1.23
0.68
33.3
3EC 214
214
268
254
271
9
12
2.5 2
53.5 0.39 1.52 0.84
8.88
4FD 214
221
298
273
297
11
17
2.5 2
66.5 0.43 1.39 0.77 19.3
4GB
222242342 311336101643 700.44
1.38
0.76
25.4
3GD
222224.5
342 299342.5
112243 850.41
1.48
0.81
43.4
3EC 234
234
288
271
290
10
12
2.5 2
59.5 0.43 1.41 0.78 10.2
234235288 27429010102.5
2 570.39
1.55
0.85
9.63
4FD
238243326 300326121932.5
72.5
0.43
1.39
0.77
25
4EC 254
4FD 258
254
308
290
311
10
12
2.5 2
65.5 0.46 1.31 0.72 10.9
261346 318346121932.5
780.46
1.31
0.72
26.8
3EC 274
4FC 282
279
348
325
347
11
15
2.5 2
69.5 0.41 1.48 0.81 18.8
287382 352383142243 85.5
0.43
1.38
0.76
39.4
4EC 294
4FC 302
298
368
344
368
11
15
2.5 2
75
0.43 1.39 0.76 20
305402 370402142243 90.5
0.46
1.31
0.72
41.8
3FD
318324406 379405131932.5
800.39
1.52
0.84
31.4
4GD
322329442 404439152643 980.43
1.38
0.76
59.6
Note: When selecting bearings with bearing numbers marked with " ＊ ", please consult NTN Engineering.
B-143
● Tapered Roller Bearings
Metric series
T
r1
C
B
r
φd
φD
a
d 320 〜 360mm
Boundary dimensions
Basic load ratings
Limiting speeds
dynamicstatic dynamic static
mm
kNkgf
min-1
1）
1）
d
D
T
B
C
rs min
rls min
Cr
Cor
Cr
Cor
greaseoil
Bearing
numbers
320
440
76
76
57
4
3
1 010 2 150 103 000 219 000670 900
＊ 32964XUE1
4407672633 3 865
1 880
88 000 192 000670 90032964E12）
480
100
100
74
5
4
1 520 2 940 155 000 300 000630 84032064XU
340
460
76
76
57
4
3
1 040 2 270 106 000 232 000630 840
＊ 32968XUE1
4607672633 3 910
1 980
93 000 201 000630 90032968E12）
360
480
76
76
57
4
3
1 050
2 330
1）Minimal allowable dimension for chamfer dimension r or r1.
2）This bearing does not incorporate the subunit dimensions.
B-144
107 000 238 000590 78032972XUE1
● Tapered Roller Bearings
Sa
Sb
Equivalent radial load
dynamic
Pr＝XFr＋YFa
Fa
Fa
Fr ≦e
Fr ＞e
X Y X
Y
1
0 0.4 Y2
static
Por＝0.5Fr＋YoFa
r1a
ra
φDa φdb
φda φDb
When Por＜Fr use Por＝Fr
For values of e, Y2 and Yo
see the table below.
Dimensions
Abutment and fillet dimensions
series to
mm
ISO
da
db
Da
Db
Sa
Sb
ras
r1as
min
max
Load ConstantAxial Mass
center
load factors
mmkg
max
min
min
min
min maxmax
a
e
Y2
Yo
(approx.)
3FD
338344426 398426131932.5
850.42
1.44
0.79
33.1
338344426 398425131332.5
850.39
1.55
0.85
31.7
4GD
342344.5
462 418.5
4631526431040.46
1.31
0.72
60.2
4FD
358362446 417446131932.5
90.5
0.44
1.37
0.75
34.9
358362446 414445.5
131332.5
870.39
1.55
0.85
36.0
4FD
378381466 436466131932.5
96.5
0.46
1.31
0.72
36.6
Note: When selecting bearings with bearing numbers marked with " ＊ ", please consult NTN Engineering.
B-145