Bearing NO.
Cylindrical bore :NNU4921
Tapered bore :NNU4921K
Boundary dimensions(mm)
디: :105
디: :145
B/C :40
r 1.2min :1.1
r3.4min :1.1
기본정격하중(kN)
크롬 :130
코르 :260
Limiting speed(rpm)
Speed Ratings :6000
Abutment and fillet dimensions(mm)
da max :116
Da max :138.5
ra max :1
rb max :1
무게(kg)
Refer :2