Bearing NO.
Cylindrical bore :NN4920
Tapered bore :NN4920K
境界寸法（mm）
d :100
D :140
B/C :40
r 1.2min :1.1
r3.4min :1.1
基本定格荷重（kN）
Cr :128
Cor :255
Limiting speed(rpm)
Speed Ratings :6300
Abutment and fillet dimensions(mm)
da max :109
Da max :131
ra max :1
rb max :1
重量（kg）
Refer :1.76
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