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638
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638
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Dimension and Parameters
Bearing Number :
638
Boundary Dimension（mm）
d :
8
D :
28
B :
9
B1 :
9
Basic load ratings (kN)
Cr :
4.16
Cor :
1.78
Limting Speeds(rpm) r/min
Grease :
25000
Oil :
31000
Weight/PC
(g) :
30.3
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