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 :NN3928
Tapered bore :NN3928K
Boundary dimensions(mm)
d :140
D :190
B/C :37
r 1.2min :1.5
r3.4min :1.5
Basic load ratings(kN)
Cr :201
Cor :375
Limiting speed(rpm)
Speed Ratings :4500
Abutment and fillet dimensions(mm)
da max :151
Da max :179
ra max :1.5
rb max :1.5
Weight (kg)
Refer :2.78