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 :NU 2305 ECP
Principal dimensions(mm)
d :25
D :62
B :24
Basic load ratings(KN)
Cr :64
Cor :55
Fatigue load limit(r/min)
Pu :6.95
Speed ratings(r/min)
Reference speed :12 000
Limiting speed :15 000
Dimensions(mm)
d1≈ :
D1≈ :50.15
F E :34
r1,2 :1.1
r3,4 :1.1
s :2.3
Abutment and fillet dimensions(mm)
da
min :31
da
max :32.5
db,Da
min :36
Da
max :54.9
ra
max :1
rb
max :1
Calculation factor
kr :0.25
Angle ring Designation :HJ 2305 EC
Mass(kg) :0.023
Dimensions(mm)
B1 :4
B2 :8
Weight(kg) :0.34