Bearing NO.
Cylindrical bore :NNU4960
Tapered bore :NNU4960K
境界寸法（mm）
d :300
D :420
B/C :118
r 1.2min :3
r3.4min :3
基本定格荷重（kN）
Cr :1020
Cor :2360
Limiting speed(rpm)
Speed Ratings :2000
Abutment and fillet dimensions(mm)
da max :335
Da max :406
ra max :2.5
rb max :2.5
重量（kg）
Refer :50
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