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

Bearing No. 7304

Specifications
(Boundary 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)23.4
Basic load ratings : C0r(kN)10.4
Fatigue load limit : Cu(kN)0.790
factor : f0()-
Limiting speeds(Grease lub.)(min-1)13000
Limiting speeds(Oil lub.)(min-1)16000
Load center spread : a(mm)17.9

Mounting dimensions

da(min.)(mm)27
Da(max.)(mm)45
ra(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.150
JTEKT

2025/05/25