Bearing NO.
Cylindrical bore :NNU40/630
Tapered bore :NNU40/630K
境界寸法（mm）
d :630
D :920
B/C :290
r 1.2min :7.5
r3.4min :7.5
基本定格荷重（kN）
Cr :7650
Cor :17500
Limiting speed(rpm)
Speed Ratings :560
Abutment and fillet dimensions(mm)
da max :688
Da max :887
ra max :6
rb max :6
重量（kg）
Refer :635
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