Bearing NO.
Cylindrical bore :NN4072
Tapered bore :NN4072K
Boundary dimensions(mm)
d :360
D :540
B/C :180
r 1.2min :5
r3.4min :5
Basic load ratings(kN)
Cr :2530
Cor :5450
Limiting speed(rpm)
Speed Ratings :1100
Abutment and fillet dimensions(mm)
da max :388
Da max :509
ra max :4
rb max :4
Weight (kg)
Refer :132
