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 :NNU4068
Tapered bore :NNU4068K
Boundary dimensions(mm)
d :340
D :520
B/C :180
r 1.2min :5
r3.4min :5
Basic load ratings(kN)
Cr :2550
Cor :5100
Limiting speed(rpm)
Speed Ratings :1100
Abutment and fillet dimensions(mm)
da max :377
Da max :500
ra max :4
rb max :4
Weight (kg)
Refer :140