Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Single-row
  • With pressed cage


Bearing No. 7203B

Specification data (main dimensions, etc.)

d(mm)17
D(mm)40
B(mm)12
r(min.)(mm)0.6
r1(min.)(mm)0.3
Basic load ratings : Cr(kN)11.7
Basic load ratings : C0r(kN)5.05
Fatigue load limit : Cu(kN)0.330
factor : f0-
Limiting speeds(Grease lub.)(min-1)12000
Limiting speeds(Oil lub.)(min-1)16000
Load center spread : a(mm)18.2

Mounting dimensions,weight (reference)

da(min.)(mm)21.5 mm
Da(max.)(mm)35.5 mm
ra(max.)(mm)0.6 mm
Mass(Refer.)(kg)0.070 kg
JTEKT

2026/07/04