d:
D:
B:

双列圆柱滚子轴承

双列圆柱滚子轴承

NN49/630

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 :NN49/630
Tapered bore :NN49/630K
Boundary dimensions(mm)
d :630
D :850
B/C :218
r 1.2min :6
r3.4min :6
Basic load ratings(kN)
Cr :4020
Cor :11400
Limiting speed(rpm)
Speed Ratings :850
Abutment and fillet dimensions(mm)
da max :670
Da max :807
ra max :5
rb max :5
Weight (kg)
Refer :328