Bearing NO.
Cylindrical bore :NNU4072
Tapered bore :NNU4072K
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 :397
Da max :520
ra max :4
rb max :4
Weight (kg)
Refer :140
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