Koyo
FOR REFERENCE ONLY
  • Spherical roller bearings
  • Spherical roller bearings
>

Bearing No. 239/500R

Specifications
(Boundary dimensions ...etc)

d(mm)500
D(mm)670
B(mm)128
r(min.)(mm)5
Basic load ratings : Cr(kN)3330
Basic load ratings : C0r(kN)6310
Fatigue load limit : Cu(kN)447
Limiting speeds(Grease lub.)(min-1)330
Limiting speeds(Oil lub.)(min-1)440
Constant e()0.17
Axial load factors : Y1()3.87
Axial load factors : Y2()5.76
Axial load factors : Y0()3.79

Mounting dimensions

da(min.)(mm)522
da(max.)(mm)
Da(max.)(mm)648
Da(min.)(mm)
ra(max.)(mm)4

Refer.

(Refer.)Mass(kg) 131
JTEKT

2025/06/01