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 :NNU3048
Tapered bore :NNU3048K
Boundary dimensions(mm)
d :240
D :360
B/C :92
r 1.2min :3
r3.4min :3
Basic load ratings(kN)
Cr :842
Cor :1560
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 :30.8