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 :NNU4148
Tapered bore :NNU4148K30
Boundary dimensions(mm)
d :240
D :400
B/C :160
r 1.2min :4
r3.4min :4
Basic load ratings(kN)
Cr :1980
Cor :3650
Limiting speed(rpm)
Speed Ratings :1400
Abutment and fillet dimensions(mm)
da max :278
Da max :384
ra max :3
rb max :3
Weight (kg)
Refer :85