Bearing NO.
Cylindrical bore :NNU4972
Tapered bore :NNU4972K
Boundary dimensions(mm)
디: :360
디: :480
B/C :118
r 1.2min :3
r3.4min :3
기본정격하중(kN)
크롬 :1120
코르 :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
무게(kg)
Refer :58.5