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Metric Tapered roller bearings
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Designation
Principal dimensions
Basic load ratings
Mass
d
D
B
C
T
rO
rI
Dynamic
Static
mm
mm
mm
mm
mm
min
min
Cr (kN)
C0r (kN)
kg
30302
15
42
13
11
14.25
1.0
1.0
22.8
21.5
0.094
30203
17
40
12
11
13.25
1.0
1.0
20.8
21.8
0.079
30303
17
47
14
12
14.25
1.0
1.0
28.2
27.2
0.129
32303
17
47
19
16
20.25
1.0
1.0
35.2
36.2
0.173
32004
20
42
15
12
15
0.6
0.6
25
28.2
0.095
30204
20
47
14
12
15.25
1.0
1.0
28.2
30.5
0.126
30304
20
52
15
13
16.25
1.5
1.5
33
33.2
0.165
32304
20
52
21
18
22.25
1.5
1.5
42.8
46.2
0.230
329/22
22
40
12
9
12
0.3
0.3
15
20
0.065
320/22
22
44
15
11.5
15
0.6
0.6
26
30.2
0.100
32905
25
42
12
9
12
0.3
0.3
16
21
0.640
32005
25
47
15
11.5
15
0.6
0.6
28
34
0.110
33005
25
47
17
14
17
0.6
0.6
32.5
42.5
0.129
30205
25
52
15
13
16.25
1.0
1.0
32.2
37
0.154
33205
25
52
22
18
22
1.0
1.0
47
55.8
0.216
30305
25
62
17
15
18.25
1.5
1.5
46.8
48
0.263
31305
25
62
17
13
18.25
1.5
1.5
40.5
46
0.262
32305
25
62
24
20
25.25
1.5
1.5
61.5
68.8
0.368
329/28
28
45
12
9
12
0.3
0.3
16.8
22.8
0.069
320/28
28
52
16
12
16
1.0
1.0
21.5
40.5
0.142
332/28
28
58
24
18
24
1.0
1.0
58
68.2
0.286
32006
30
55
17
13
17
1.0
1.0
35.8
46.8
0.170
33006
30
55
20
16
20
1.0
1.0
43.8
58.8
0.201
30206
30
62
16
14
17.25
1.0
1.0
43.2
50.5
0.231
32206
30
62
20
17
21.25
1.0
1.0
51.8
63.8
0.287
33206
30
62
25
19.5
25
1.0
1.0
63.8
75.5
0.342
30306
30
72
19
16
20.75
1.5
1.5
59
63
0.387
31306
30
72
19
14
20.75
1.5
1.5
52.5
60.5
0.392
32306
30
72
27
23
28.75
1.5
1.5
81.5
96.5
0.562
329/32
32
52
14
10
14
0.6
0.6
23.8
32.5
0.106
320/32
32
58
17
13
17
1.0
1.0
36.5
49.2
0.187
332/32
32
65
26
20.5
26
1.0
1.0
68.8
82.2
0.385
32007
35
62
18
14
18
1.0
1.0
43.2
59.2
0.224
33007
35
62
21
17
21
1.0
1.0
46.8
63.2
0.254
30207
35
72
17
15
18.25
1.5
1.5
54.2
63.5
0.331
32207
35
72
23
19
24.25
1.5
1.5
70.5
89.5
0.445
33207
35
72
28
22
28
1.5
1.5
82.5
102
0.515
30307
35
80
21
18
22.75
2.0
2.0
75.2
82.5
0.515
31307
35
80
21
15
22.75
2.0
2.0
65.8
76.8
0.514
32307
35
80
31
25
32.75
2.0
2.0
99
118
0.763
32008
40
68
19
14.5
19
1.0
1.0
51.8
71
0.670
33008
40
68
22
18
22
1.0
1.0
60.2
79.5
0.306
33108
40
75
26
20.5
26
1.5
1.5
84.8
110
0.496
30208
40
80
18
16
19.75
1.5
1.5
63
74
0.422
32208
40
80
23
19
24.75
1.5
1.5
77.8
77.2
0.532
33208
40
80
32
25
32
1.5
1.5
105
135
0.715
30308
40
90
23
20
25.25
2.0
1.5
90.8
108
0.747
31308
40
90
23
17
25.25
2.0
1.5
81.5
96.5
0.727
32308
40
90
33
27
35.25
2.0
1.5
115
148
1.040
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Add: Linqing Bearing Industrial Zone, Shandong, China. 252600 E-mail: nib@nibcn.com