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 :NNU4088
Tapered bore :NNU4088K
Boundary dimensions(mm)
d :440
D :650
B/C :212
r 1.2min :6
r3.4min :6
Basic load ratings(kN)
Cr :3910
Cor :8300
Limiting speed(rpm)
Speed Ratings :850
Abutment and fillet dimensions(mm)
da max :477
Da max :624
ra max :5
rb max :5
Weight (kg)
Refer :215