Bearing NO.
Cylindrical bore :NNU4944
Tapered bore :NNU4944K
境界寸法（mm）
d :220
D :300
B/C :80
r 1.2min :2.1
r3.4min :2.1
基本定格荷重（kN）
Cr :512
Cor :1140
Limiting speed(rpm)
Speed Ratings :2800
Abutment and fillet dimensions(mm)
da max :242
Da max :289
ra max :2
rb max :2
重量（kg）
Refer :16.5
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