Koyo
FOR REFERENCE ONLY
  • Spherical roller bearings
  • Spherical roller bearings
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Bearing No. 23056R

Specifications
(Boundary dimensions ...etc)

d(mm)280
D(mm)420
B(mm)106
r(min.)(mm)4
Basic load ratings : Cr(kN)1790
Basic load ratings : C0r(kN)2860
Fatigue load limit : Cu(kN)235
Limiting speeds(Grease lub.)(min-1)710
Limiting speeds(Oil lub.)(min-1)950
Constant e()0.25
Axial load factors : Y1()2.74
Axial load factors : Y2()4.08
Axial load factors : Y0()2.68

Mounting dimensions

da(min.)(mm)298
da(max.)(mm)
Da(max.)(mm)402
Da(min.)(mm)
ra(max.)(mm)3

Refer.

(Refer.)Mass(kg) 54.5
JTEKT

2025/06/01