Bearing NO.
Cylindrical bore :NNU4920
Tapered bore :NNU4920K
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 :111
Da max :133.5
ra max :1
rb max :1
무게(kg)
Refer :1.9