Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Matched pair
  • Back-to-back
  • With machined cage


Bearing No. 7004DB FY

Specification data (main dimensions, etc.)

d(mm)20
D(mm)42
B(mm)24
r(min.)(mm)0.6
r1(min.)(mm)0.3
Basic load ratings : Cr(kN)20.9
Basic load ratings : C0r(kN)12.2
Fatigue load limit : Cu(kN)0.790
factor : f0-
Limiting speeds(Grease lub.)(min-1)15000
Limiting speeds(Oil lub.)(min-1)19000
Load center spread : a(mm)30.2

Mounting dimensions,weight (reference)

da(min.)(mm)24.5 mm
Db(max.)(mm)39.5 mm
ra(max.)(mm)0.6 mm
rb(max.)(mm)0.3 mm
Mass(Refer.)(kg)0.158 kg
JTEKT

2026/07/22