Bearing NO.
Cylindrical bore :NNU4880
Tapered bore :NNU4880K
Boundary dimensions(mm)
d :400
D :500
B/C :100
r 1.2min :2.1
r3.4min :2.1
Basic load ratings(kN)
Cr :968
Cor :2750
Limiting speed(rpm)
Speed Ratings :1200
Abutment and fillet dimensions(mm)
da max :426
Da max :489
ra max :2
rb max :2
Weight (kg)
Refer :46
