Bearing NO.
Cylindrical bore :NN4944
Tapered bore :NN4944K
Boundary dimensions(mm)
d :220
D :300
B/C :80
r 1.2min :2.1
r3.4min :2.1
Basic load ratings(kN)
Cr :512
Cor :1140
Limiting speed(rpm)
Speed Ratings :2800
Abutment and fillet dimensions(mm)
da max :236
Da max :283
ra max :2
rb max :2
Weight (kg)
Refer :16.6
EN
ES
PT
FR
RU
