Bearing NO.
Cylindrical bore :NNU4928
Tapered bore :NNU4928K
Boundary dimensions(mm)
d :140
D :190
B/C :50
r 1.2min :1.5
r3.4min :1.5
Basic load ratings(kN)
Cr :190
Cor :400
Limiting speed(rpm)
Speed Ratings :4500
Abutment and fillet dimensions(mm)
da max :154
Da max :182
ra max :1.5
rb max :1.5
Weight (kg)
Refer :4.1
