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


Bearing No. 7304C

Specification data (main dimensions, etc.)

d(mm)20
D(mm)52
B(mm)15
r(min.)(mm)1.1
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)24.8
Basic load ratings : C0r(kN)11.1
Fatigue load limit : Cu(kN)0.860
factor : f012.6
Limiting speeds(Grease lub.)(min-1)18000
Limiting speeds(Oil lub.)(min-1)24000
Load center spread : a(mm)12.3

Mounting dimensions,weight (reference)

da(min.)(mm)27 mm
Da(max.)(mm)45 mm
ra(max.)(mm)1 mm
Mass(Refer.)(kg)0.150 kg
JTEKT

2026/07/04