Bearing NO.
Cylindrical bore :NNU4956
Tapered bore :NNU4956K
境界寸法（mm）
d :280
D :380
B/C :100
r 1.2min :2.1
r3.4min :2.1
基本定格荷重（kN）
Cr :765
Cor :1800
Limiting speed(rpm)
Speed Ratings :2200
Abutment and fillet dimensions(mm)
da max :308
Da max :369
ra max :2
rb max :2
重量（kg）
Refer :32.5
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