Bearing NO.
Cylindrical bore :NNU4992
Tapered bore :NNU4992K
境界寸法（mm）
d :460
D :620
B/C :160
r 1.2min :4
r3.4min :4
基本定格荷重（kN）
Cr :2090
Cor :5500
Limiting speed(rpm)
Speed Ratings :1200
Abutment and fillet dimensions(mm)
da max :504
Da max :604
ra max :3
rb max :3
重量（kg）
Refer :135
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