Bearing NO.
Cylindrical bore :NNU4976
Tapered bore :NNU4976K
Boundary dimensions(mm)
d :380
D :520
B/C :140
r?1.2min :4
r3.4min :4
Basic load ratings(kN)
Cr :1450
Cor :3600
Limiting speed(rpm)
Speed Ratings :1500
Abutment and fillet dimensions(mm)
da max :421
Da max :504
ra max :3
rb max :3
Weight (kg)
Refer :87.5
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