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 :NN3056
Tapered bore :NN3056K
Boundary dimensions(mm)
d :280
D :420
B/C :106
r 1.2min :4
r3.4min :4
Basic load ratings(kN)
Cr :1080
Cor :2080
Limiting speed(rpm)
Speed Ratings :2000
Abutment and fillet dimensions(mm)
da max :-
Da max :404
ra max :3
rb max :3
Weight (kg)
Refer :49.5