Bearing NO.
Cylindrical bore :NNU4124
Tapered bore :NNU4124K30
境界寸法（mm）
d :120
D :200
B/C :80
r 1.2min :2
r3.4min :2
基本定格荷重（kN）
Cr :523
Cor :865
Limiting speed(rpm)
Speed Ratings :3000
Abutment and fillet dimensions(mm)
da max :137
Da max :190
ra max :2
rb max :2
重量（kg）
Refer :11
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