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CC Type Spherical Roller Bearings
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ZBO BEARING
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Spherical Roller Bearings
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Spherical Roller Thrust Bearing
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21300 Series
21300 Series
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Designation
Principal Dimensions(mm)
Basic Load Ratings(KN)
Limited Speed(rpm)
Weight
d
D
B
rs min
Dynamic(Cr)
Static(Cor)
Grease
Oil
(kg)
21308
40
90
23
1.5
88
90
3200
4900
0.705
21308K
40
90
23
1.5
88
90
3200
4900
0.694
21308KW33C3
40
90
23
1.5
88
90
3200
4900
0.694
21308W33C3
40
90
23
1.5
88
90
3200
4900
0.705
21309
45
100
25
1.5
102
106
2900
4400
0.927
21309K
45
100
25
1.5
102
106
2900
4400
0.912
21309KW33C3
45
100
25
1.5
102
106
2900
4400
0.912
21309W33C3
45
100
25
1.5
102
106
2900
4400
0.927
21310
50
110
27
2
118
127
2600
4000
1.21
21310K
50
110
27
2
118
127
2600
4000
1.19
21310KW33C3
50
110
27
2
118
127
2600
4000
1.19
21310W33C3
50
110
27
2
118
127
2600
4000
1.21
21311
55
120
29
2
145
163
2400
3700
1.71
21311K
55
120
29
2
145
163
2400
3700
1.69
21311KW33C3
55
120
29
2
145
163
2400
3700
1.69
21311W33C3
55
120
29
2
145
163
2400
3700
1.71
21312
60
130
31
2.1
167
191
2200
3400
2.1
21312K
60
130
31
2.1
167
191
2200
3400
2.07
21312KW33C3
60
130
31
2.1
167
191
2200
3400
2.07
21312W33C3
60
130
31
2.1
167
191
2200
3400
2.1
21313
65
140
33
2.1
194
228
2000
3100
2.55
21313K
65
140
33
2.1
194
228
2000
3100
2.51
21313KW33C3
65
140
33
2.1
194
228
2000
3100
2.51
21313W33C3
65
140
33
2.1
194
228
2000
3100
2.55
21314
70
150
35
2.1
220
262
1900
2900
3.18
21314K
70
150
35
2.1
220
262
1900
2900
3.14
21314KW33C3
70
150
35
2.1
220
262
1900
2900
3.14
21314W33C3
70
150
35
2.1
220
262
1900
2900
3.18
21315
75
160
37
2.1
239
287
1800
2700
3.81
21315K
75
160
37
2.1
239
287
1800
2700
3.76
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