Part Number:
d:
D:
B:
  • Double Row Cylindrical Roller Bearing
  • Double Row Cylindrical Roller Bearing
  • Double Row Cylindrical Roller Bearing

Dimension and Parameters

Bearing NO.
Cylindrical bore :NNU4884
Tapered bore :NNU4884K
Boundary dimensions(mm)
d :420
D :520
B/C :100
r 1.2min :2.1
r3.4min :2.1
Basic load ratings(kN)
Cr :990
Cor :2850
Limiting speed(rpm)
Speed Ratings :1000
Abutment and fillet dimensions(mm)
da max :446
Da max :509
ra max :2
rb max :2
Weight (kg)
Refer :48