d:
D:
B:

双列圆柱滚子轴承

双列圆柱滚子轴承

NNU4968

尺寸和规格

双列圆柱滚子轴承 双列圆柱滚子轴承
Bearing NO.
Cylindrical bore :NNU4968
Tapered bore :NNU4968K
Boundary dimensions(mm)
d :340
D :460
B/C :118
r 1.2min :3
r3.4min :3
Basic load ratings(kN)
Cr :1100
Cor :2650
Limiting speed(rpm)
Speed Ratings :1700
Abutment and fillet dimensions(mm)
da max :375
Da max :446
ra max :2.5
rb max :2.5
Weight (kg)
Refer :56