Bearing NO.
Cylindrical bore :NNU4976
Tapered bore :NNU4976K
Boundary dimensions(mm)
디: :380
디: :520
B/C :140
r 1.2min :4
r3.4min :4
기본정격하중(kN)
크롬 :1450
코르 :3600
Limiting speed(rpm)
Speed Ratings :1500
Abutment and fillet dimensions(mm)
da max :421
Da max :504
ra max :3
rb max :3
무게(kg)
Refer :87.5