双列圆柱滚子轴承

双列圆柱滚子轴承

规格与参数

Bearing NO.
Cylindrical bore :NN4952
Tapered bore :NN4952K
Boundary dimensions(mm)
d :260
D :360
B/C :100
r 1.2min :2.1
r3.4min :2.1
Basic load ratings(kN)
Cr :748
Cor :1700
Limiting speed(rpm)
Speed Ratings :2400
Abutment and fillet dimensions(mm)
da max :277
Da max :342
ra max :2
rb max :2
Weight (kg)
Refer :28.3