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 :NNUP4964
Tapered bore :-
Boundary dimensions(mm)
d :320
D :440
B/C :118
r 1.2min :3
r3.4min :3
Basic load ratings(kN)
Cr :1060
Cor :2500
Limiting speed(rpm)
Speed Ratings :1400
Abutment and fillet dimensions(mm)
da max :-
Da max :426
ra max :2.5
rb max :2.5
Weight (kg)
Refer :55.5