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 :NNUB4068X2-305
Tapered bore :-
Boundary dimensions(mm)
d :340
D :520
B/C :305/20
r 1.2min :5
r3.4min :5
Basic load ratings(kN)
Cr :3300
Cor :7100
Limiting speed(rpm)
Speed Ratings :1100
Abutment and fillet dimensions(mm)
da max :374
Da max :500
ra max :4
rb max :4
Weight (kg)
Refer :185