Bearing NO.
Cylindrical bore :NNU4138
Tapered bore :NNU4138K30
Boundary dimensions(mm)
d :190
D :320
B/C :128
r 1.2min :3
r3.4min :3
Basic load ratings(kN)
Cr :1320
Cor :2200
Limiting speed(rpm)
Speed Ratings :1800
Abutment and fillet dimensions(mm)
da max :219
Da max :307
ra max :2.5
rb max :2.5
Weight (kg)
Refer :41
