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Deep Groove Ball Bearing
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GAR...UK GAR..UK-2RS Series
GIR...UK GIR...UK..-2RS Seri
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Spherical Roller Bearing
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21300 Series
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oliverpan@chfbearing.com
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21300 Series
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Bearing No.
Boundary dimensions(mm)
Basic load ratings(kN)
Limiting speed(rpm )
Mass
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
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