Bearing NO.
Cylindrical bore :NNU4868
Tapered bore :NNU4868K
境界寸法（mm）
d :340
D :420
B/C :80
r 1.2min :2.1
r3.4min :2.1
基本定格荷重（kN）
Cr :644
Cor :1830
Limiting speed(rpm)
Speed Ratings :1400
Abutment and fillet dimensions(mm)
da max :360
Da max :409
ra max :2
rb max :2
重量（kg）
Refer :25
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