Koyo
FOR REFERENCE ONLY
  • Self-aligning ball bearings
  • Open type
>

Bearing No. 2304

Specifications
(Boundary dimensions ...etc)

d(mm)20
D(mm)52
B(mm)21
r(min.)(mm)1.1
Basic load ratings : Cr(kN)22.5
Basic load ratings : C0r(kN)4.65
Fatigue load limit : Cu(kN)0.30
Limiting speeds(Grease lub.)(min-1)11000
Limiting speeds(Oil lub.)(min-1)15000
Constant :e()0.49
Axial load factors : Y1()1.29
Axial load factors : Y2()2.00
Axial load factors : Y0()1.35

Mounting dimensions

da(min.)(mm)26.5
Da(max.)(mm)45.5
ra(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.209
JTEKT

2025/05/22