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31300 Series  

                                                                                                                           

Bearing No.
Boundary dimensions
Basic load rating(kN)
Limiting speed
Mass
mm
Dynamic
Static
rpm
Kg
d
D
T
B
C
Rmin
rmin
Cr
Cor
Grease
Oil
31305
25
62
18.25
17
13
1.5
1.5
40.7
46
5600
7500
0.264
31306
30
72
20.75
19
14
1.5
1.5
47.3
50
5000
6700
0.393
31307
35
80
22.75
21
15
2
1.5
61.6
67
4500
6000
0.518
31308
40
90
25.25
23
17
2
1.5
81
96
4000
5300
0.727
31309
45
100
27.25
25
18
2
1.5
91
102
3400
4500
0.947
31310
50
110
29.25
27
19
2.5
2
106
120
3200
4300
1.22
31311
55
120
31.5
29
21
2.5
2
130
158
2800
3800
1.56
31312
60
130
33.5
31
22
3
2.5
145
176
2600
3600
1.91
31313
65
140
36
33
23
3
2.5
165
202
2200
3200
2.39
31314
70
150
38
35
25
3
2.5
218
274
2400
3400
2.95
31315
75
160
40
37
26
3
2.5
209
245
1900
2800
3.39
31316
80
170
42.5
39
27
3
2.5
224
265
1900
2800
4.05
31317
85
180
44.5
41
28
4
3
242
285
1800
2600
4.6
31318
90
190
46.5
43
30
4
3
264
315
1700
2400
5.9
31319
95
200
49.5
45
32
4
3
292
355
1700
2400
6.95
31320
100
215
56.5
51
35
4
3
374
465
1600
2200
8.6
31321
105
225
58
53
36
4
3
402
500
1500
2000
9.65
31322
110
240
63
57
38
4
3
457
585
1400
1900
12
31324
120
260
68
62
42
4
3
539
695
1200
1700
15.5
31326
130
280
72
66
44
5
4
605
780
1100
1600
18.5
31328
140
300
77
70
47
5
4
693
900
1000
1500
24.5
31330
150
320
82
75
50
5
4
781
1020
950
1400
29.5

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