Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Matched pair
  • Tandem
  • With machined cage


Bearing No. 7304CDT FY

Specification data (main dimensions, etc.)

d(mm)20
D(mm)52
B(mm)30
r(min.)(mm)1.1
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)37.6
Basic load ratings : C0r(kN)19.9
Fatigue load limit : Cu(kN)1.55
factor : f012.6
Limiting speeds(Grease lub.)(min-1)18000
Limiting speeds(Oil lub.)(min-1)24000

Mounting dimensions,weight (reference)

da(min.)(mm)27 mm
db(min.)(mm)24.5 mm
Da(max.)(mm)45 mm
db(max.)(mm)47.5 mm
ra(max.)(mm)1 mm
Mass(Refer.)(kg)0.300 kg
JTEKT

2026/08/09