Bearing NO.
Cylindrical bore :NNU4972
Tapered bore :NNU4972K
Boundary dimensions(mm)
d :360
D :480
B/C :118
r 1.2min :3
r3.4min :3
Basic load ratings(kN)
Cr :1120
Cor :2800
Limiting speed(rpm)
Speed Ratings :1700
Abutment and fillet dimensions(mm)
da max :395
Da max :466
ra max :2.5
rb max :2.5
Weight (kg)
Refer :58.5
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