Bearing NO.
Cylindrical bore :NNU4868
Tapered bore :NNU4868K
Boundary dimensions(mm)
디: :340
디: :420
B/C :80
r 1.2min :2.1
r3.4min :2.1
기본정격하중(kN)
크롬 :644
코르 :1830
Limiting speed(rpm)
Speed Ratings :1400
Abutment and fillet dimensions(mm)
da max :360
Da max :409
ra max :2
rb max :2
무게(kg)
Refer :25