Koyo
FOR REFERENCE ONLY
  • Spherical roller bearings
  • Spherical roller bearings
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Bearing No. 23288R

Specifications
(Boundary dimensions ...etc)

d(mm)440
D(mm)790
B(mm)280
r(min.)(mm)7.5
Basic load ratings : Cr(kN)8580
Basic load ratings : C0r(kN)12300
Fatigue load limit : Cu(kN)793
Limiting speeds(Grease lub.)(min-1)300
Limiting speeds(Oil lub.)(min-1)400
Constant e()0.36
Axial load factors : Y1()1.86
Axial load factors : Y2()2.77
Axial load factors : Y0()1.82

Mounting dimensions

da(min.)(mm)476
da(max.)(mm)
Da(max.)(mm)754
Da(min.)(mm)
ra(max.)(mm)6

Refer.

(Refer.)Mass(kg) 613
JTEKT

2025/06/01