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

Bearing No. 1305

Specifications
(Boundary dimensions ...etc)

d(mm)25
D(mm)62
B(mm)17
r(min.)(mm)1.1
Basic load ratings : Cr(kN)22.5
Basic load ratings : C0r(kN)5.05
Fatigue load limit : Cu(kN)0.32
Limiting speeds(Grease lub.)(min-1)9900
Limiting speeds(Oil lub.)(min-1)12000
Constant :e()0.27
Axial load factors : Y1()2.31
Axial load factors : Y2()3.57
Axial load factors : Y0()2.42

Mounting dimensions

da(min.)(mm)31.5
Da(max.)(mm)55.5
ra(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.257
JTEKT

2025/06/01