Bearing NO.
Cylindrical bore :NNU4156
Tapered bore :NNU4156K30
境界寸法（mm）
d :280
D :460
B/C :180
r 1.2min :5
r3.4min :5
基本定格荷重（kN）
Cr :2550
Cor :4750
Limiting speed(rpm)
Speed Ratings :1200
Abutment and fillet dimensions(mm)
da max :318
Da max :440
ra max :4
rb max :4
重量（kg）
Refer :120
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