Bearing NO.
Cylindrical bore :NNU4064X2
Tapered bore :-
境界寸法（mm）
d :320
D :480
B/C :175
r 1.2min :1.5
r3.4min :1.5
基本定格荷重（kN）
Cr :2460
Cor :5400
Limiting speed(rpm)
Speed Ratings :1200
Abutment and fillet dimensions(mm)
da max :359
Da max :472
ra max :1.5
rb max :1.5
重量（kg）
Refer :115
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