Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
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Bearing No. 5304

Specifications
(Boundary dimensions ...etc)

d(mm)20
D(mm)52
B(mm)22.2
r(min.)(mm)1.1
Basic load ratings : Cr(kN)30.9
Basic load ratings : C0r(kN)15.0
Fatigue load limit : Cu(kN)0.780
Limiting speeds(Grease lub.)(min-1)8300
Limiting speeds(Oil lub.)(min-1)11000
Load center spread : a(mm)25.9

Mounting dimensions

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

Refer.

(Refer.)Mass(kg) 0.230
JTEKT

2025/06/01