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 :NNU4848
Tapered bore :NNU4848K
Boundary dimensions(mm)
d :240
D :300
B/C :60
r 1.2min :2
r3.4min :2
Basic load ratings(kN)
Cr :358
Cor :930
Limiting speed(rpm)
Speed Ratings :2200
Abutment and fillet dimensions(mm)
da max :255
Da max :290
ra max :2
rb max :2
Weight (kg)
Refer :9.9