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

Bearing No. 7904CDT FY

Specifications
(Boundary dimensions ...etc)

d(mm)20
D(mm)37
B(mm)18
r(min.)(mm)0.3
r1(min.)(mm)0.15
Basic load ratings : Cr(kN)14.8
Basic load ratings : C0r(kN)9.15
Fatigue load limit : Cu(kN)0.470
factor : f0()14.9
Limiting speeds(Grease lub.)(min-1)24000
Limiting speeds(Oil lub.)(min-1)31000

Mounting dimensions

da(min.)(mm)22.5
db(min.)(mm)-
Da(max.)(mm)34.5
db(max.)(mm)35.8
ra(max.)(mm)0.3
rb(max.)(mm)

Refer.

(Refer.)Mass(kg) 0.070
JTEKT

2025/06/01