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 :NNU48/630
Tapered bore :-
Boundary dimensions(mm)
d :630
D :780
B/C :150
r 1.2min :4
r3.4min :4
Basic load ratings(kN)
Cr :2290
Cor :7000
Limiting speed(rpm)
Speed Ratings :800
Abutment and fillet dimensions(mm)
da max :659
Da max :748
ra max :3
rb max :3
Weight (kg)
Refer :160