Bearing NO.
Cylindrical bore :NNU4056
Tapered bore :NNU4056K
境界寸法（mm）
d :280
D :420
B/C :140
r 1.2min :4
r3.4min :4
基本定格荷重（kN）
Cr :1650
Cor :3150
Limiting speed(rpm)
Speed Ratings :1400
Abutment and fillet dimensions(mm)
da max :309
Da max :404
ra max :3
rb max :3
重量（kg）
Refer :66.5
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