Bearing NO.
Cylindrical bore :NNU4128
Tapered bore :NNU4128K30
Boundary dimensions(mm)
디: :140
디: :225
B/C :85
r 1.2min :2.1
r3.4min :2.1
기본정격하중(kN)
크롬 :627
코르 :1040
Limiting speed(rpm)
Speed Ratings :2600
Abutment and fillet dimensions(mm)
da max :158
Da max :214
ra max :2
rb max :2
무게(kg)
Refer :13