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d:
D:
B:

Four Point Contact Ball Bearing

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Four Point Contact Ball Bearing

QJ307

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Dimension and Parameters

Four Point Contact Ball Bearing Four Point Contact Ball Bearing
Bearing No. :QJ307
Boundary dimensions（mm）
d :
D :80
B :21
Basic load ratings(kN)
Dynamic(Cr) :53.2
Static(Cor) :37.2
Limiting speed(rpm )
Grease :6000
Oil :8000
Mass
Kg :0.57