Bearing NO.
Cylindrical bore :NN4984
Tapered bore :NN4984K
境界寸法（mm）
d :420
D :560
B/C :140
r 1.2min :4
r3.4min :4
基本定格荷重（kN）
Cr :1510
Cor :4000
Limiting speed(rpm)
Speed Ratings :1400
Abutment and fillet dimensions(mm)
da max :445
Da max :533
ra max :3
rb max :3
重量（kg）
Refer :87.9
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