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

Dimension and Parameters

Designations :NJ 2248 MA
Principal dimensions(mm)
d :240
D :440
B :120
Basic load ratings(KN)
Cr :1 450
Cor :2 360
Fatigue load limit(r/min)
Pu :224
Speed ratings(r/min)
Reference speed :1 500
Limiting speed :2 200
Dimensions(mm)
d1≈ :313
D1≈ :365
F E :295
r1,2 :4
r3,4 :4
s :4.3
Abutment and fillet dimensions(mm)
da
min :257
da
max :284
db,Da
min :317
Da
max :423
ra
max :3
rb
max :
Calculation factor
kr :0.2
Angle ring Designation :
Mass(kg) :
Dimensions(mm)
B1 :
B2 :
Weight(kg) :86