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 :N 303 ECP
Principal dimensions(mm)
d :17
D :47
B :14
Basic load ratings(KN)
Cr :28.5
Cor :20.4
Fatigue load limit(r/min)
Pu :2.55
Speed ratings(r/min)
Reference speed :17 000
Limiting speed :20 000
Dimensions(mm)
d1≈ :27.7
D1≈ :
F E :40.2
r1,2 :1
r3,4 :0.6
s :1
Abutment and fillet dimensions(mm)
da
min :22.1
da
max :38
db,Da
min :42
Da
max :42.7
ra
max :1
rb
max :0.6
Calculation factor
kr :0.12
Angle ring Designation :
Mass(kg) :
Dimensions(mm)
B1 :
B2 :
Weight(kg) :0.12