Bearing NO.
Cylindrical bore :NNU4972
Tapered bore :NNU4972K
境界寸法(mm)
d :360
D :480
B/C :118
r 1.2min :3
r3.4min :3
基本定格荷重(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
重量(kg)
Refer :58.5