Koyo
FOR REFERENCE ONLY
  • Self-aligning ball bearings
  • Open type


Bearing No. 2303

Specification data (main dimensions, etc.)

d(mm)17
D(mm)47
B(mm)19
r(min.)(mm)1
Basic load ratings : Cr(kN)18.1
Basic load ratings : C0r(kN)3.60
Fatigue load limit : Cu(kN)0.23
Limiting speeds(Grease lub.)(min-1)13000
Limiting speeds(Oil lub.)(min-1)18000
Constant :e0.49
Axial load factors : Y11.28
Axial load factors : Y21.98
Axial load factors : Y01.34

Mounting dimensions,weight (reference)

da(min.)(mm)22 mm
Da(max.)(mm)42 mm
ra(max.)(mm)1 mm
Mass(Refer.)(kg)0.158 kg
JTEKT

2026/07/08