Koyo
FOR REFERENCE ONLY
  • Spherical roller bearings
  • Spherical roller bearings
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Bearing No. 23964R

Specifications
(Boundary dimensions ...etc)

d(mm)320
D(mm)440
B(mm)90
r(min.)(mm)3
Basic load ratings : Cr(kN)1670
Basic load ratings : C0r(kN)2870
Fatigue load limit : Cu(kN)233
Limiting speeds(Grease lub.)(min-1)630
Limiting speeds(Oil lub.)(min-1)840
Constant e()0.19
Axial load factors : Y1()3.61
Axial load factors : Y2()5.38
Axial load factors : Y0()3.53

Mounting dimensions

da(min.)(mm)334
da(max.)(mm)
Da(max.)(mm)426
Da(min.)(mm)
ra(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 43.0
JTEKT

2025/06/01