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 :NN4048
Tapered bore :NN4048K
Boundary dimensions(mm)
d :240
D :360
B/C :118
r 1.2min :3
r3.4min :3
Basic load ratings(kN)
Cr :1240
Cor :2600
Limiting speed(rpm)
Speed Ratings :2400
Abutment and fillet dimensions(mm)
da max :259
Da max :340
ra max :2.5
rb max :2.5
Weight (kg)
Refer :39.3