Bearing NO.
Cylindrical bore :NN3021
Tapered bore :NN3021K
境界寸法（mm）
d :105
D :160
B/C :41
r 1.2min :2
r3.4min :2
基本定格荷重（kN）
Cr :190
Cor :305
Limiting speed(rpm)
Speed Ratings :5600
Abutment and fillet dimensions(mm)
da max :117
Da max :147
ra max :2
rb max :2
重量（kg）
Refer :2.88
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