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30200 Series
    Publish time 2019-07-18 09:37    

Tapered roller bearings  are generally of separable design and have tapered cone and cup raceway between
which tapered rollers are arranged. Their design makes tapered roller bearings particularly suitable for carrying
combined (radial and axial) load.
According to dimensional standard difference, tapered roller bearings can be grouped into metric and inch size 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
≈
30202
15
35
11.75
11
10
0.6
0.6
11.9
13.5
9000
13000
0.053
30203
17
40
13.25
12
11
1
1
20.7
22.2
9000
13000
0.096
30204
20
47
15.25
14
12
1
1
28.2
30.9
8000
11000
0.128
30205
25
52
16.25
15
13
1
1
33.7
39.4
7500
10000
0.153
30206
30
62
17.25
16
14
1
1
43.3
50.6
6300
8500
0.232
30207
35
72
18.25
17
15
1.5
1.5
54.2
63.7
5300
7000
0.337
30208
40
80
19.75
18
16
1.5
1.5
63
74.1
4800
6300
0.422
30209
45
85
20.75
19
16
1.5
1.5
67
84
4500
6000
0.476
30210
50
90
21.75
20
17
1.5
1.5
76
97
4300
5600
0.538
30211
55
100
22.75
21
18
2
1.5
90
116
3800
5000
0.715
30212
60
110
23.75
22
19
2
1.5
103
132
3400
4500
0.905
30213
65
120
24.75
23
20
2
1.5
120
154
3000
4000
1.12
30214
70
125
26.25
24
21
2
1.5
132
174
3000
4000
1.26
30215
75
130
27.25
25
22
2
1.5
137
186
2800
3800
1.36
30216
80
140
28.25
26
22
2.5
2
160
213
2400
3400
1.67
30217
85
150
30.5
28
24
2.5
2
180
242
2200
3200
2.08
30218
90
160
32.5
30
26
2.5
2
199
270
2000
3000
2.53
30219
95
170
34.5
32
27
3
2.5
226
310
1900
2800
3.06
30220
100
180
37
34
29
3
2.5
253
351
1900
2800
3.72
30221
105
190
39
36
30
3
2.5
284
400
1800
2600
4.39
30222
110
200
41
38
32
3.5
2
314
445
1700
2400
5.21
30224
120
215
43.5
40
34
3
2.5
335
487
1600
2200
6.19
30226
130
230
43.75
40
34
4
3
364
525
1500
2000
6.94
30228
140
250
45.75
42
36
4
3
407
589
1400
1900
8.75
30230
150
270
49
45
38
4
3
449
651
1300
1800
10.8
30232
160
290
52
48
40
4
3
509
744
1100
1600
12.9
30234
170
310
57
52
43
5
4
616
865
1000
1500
19
30236
180
320
57
52
43
5
4
583
815
1000
1500
20
30238
190
340
60
55
46
3
2.5
721
1000
950
1400
24
30240
200
360
64
58
48
5
4
792
1120
900
1300
25