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


Bearing No. 23988R

Specification data (main dimensions, etc.)

d(mm)440
D(mm)600
B(mm)118
r(min.)(mm)4
Basic load ratings : Cr(kN)2910
Basic load ratings : C0r(kN)5330
Fatigue load limit : Cu(kN)387
Limiting speeds(Grease lub.)(min-1)400
Limiting speeds(Oil lub.)(min-1)530
Constant e0.18
Axial load factors : Y13.75
Axial load factors : Y25.58
Axial load factors : Y03.66

Mounting dimensions,weight (reference)

da(min.)(mm)458 mm
Da(max.)(mm)582 mm
ra(max.)(mm)3 mm
Mass(Refer.)(kg)101 kg
JTEKT

2026/07/18