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 :NNU4168
Tapered bore :NNU4168K30
Boundary dimensions(mm)
d :340
D :580
B/C :243
r 1.2min :5
r3.4min :5
Basic load ratings(kN)
Cr :4020
Cor :7500
Limiting speed(rpm)
Speed Ratings :950
Abutment and fillet dimensions(mm)
da max :392
Da max :560
ra max :4
rb max :4
Weight (kg)
Refer :260