Bearing NO.
Cylindrical bore :NNU4056
Tapered bore :NNU4056K
Boundary dimensions(mm)
d :280
D :420
B/C :140
r 1.2min :4
r3.4min :4
Basic load ratings(kN)
Cr :1650
Cor :3150
Limiting speed(rpm)
Speed Ratings :1400
Abutment and fillet dimensions(mm)
da max :309
Da max :404
ra max :3
rb max :3
Weight (kg)
Refer :66.5