Bearing NO.
Cylindrical bore :NN4920
Tapered bore :NN4920K
Boundary dimensions(mm)
디: :100
디: :140
B/C :40
r 1.2min :1.1
r3.4min :1.1
기본정격하중(kN)
크롬 :128
코르 :255
Limiting speed(rpm)
Speed Ratings :6300
Abutment and fillet dimensions(mm)
da max :109
Da max :131
ra max :1
rb max :1
무게(kg)
Refer :1.76