Koyo
FOR REFERENCE ONLY
  • Spherical roller bearings
  • Spherical roller bearings
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Bearing No. 22228RHR

Specifications
(Boundary dimensions ...etc)

d(mm)140
D(mm)250
B(mm)68
r(min.)(mm)3
Basic load ratings : Cr(kN)947
Basic load ratings : C0r(kN)1030
Fatigue load limit : Cu(kN)85.2
Limiting speeds(Grease lub.)(min-1)1800
Limiting speeds(Oil lub.)(min-1)2300
Constant e()0.26
Axial load factors : Y1()2.60
Axial load factors : Y2()3.87
Axial load factors : Y0()2.54

Mounting dimensions

da(min.)(mm)154
da(max.)(mm)
Da(max.)(mm)236
Da(min.)(mm)
ra(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 14.5
JTEKT

2025/06/01