Bearing NO.
Cylindrical bore :NN4856
Tapered bore :-
境界寸法（mm）
d :280
D :350
B/C :69
r 1.2min :1.1
r3.4min :1.1
基本定格荷重（kN）
Cr :445
Cor :1160
Limiting speed(rpm)
Speed Ratings :1700
Abutment and fillet dimensions(mm)
da max :293
Da max :336
ra max :1
rb max :1
重量（kg）
Refer :15.3
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