Koyo
FOR REFERENCE ONLY
  • Spherical roller bearings
  • Adapter assembles
>

Bearing No. 23988RK+H3988

Specifications
(Boundary dimensions ...etc)

d1(mm)410
B1(mm)189
d2(mm)520
B2(mm)60
B3(mm)77
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
Limiting speeds(Grease lub.)(min-1)400
Limiting speeds(Oil lub.)(min-1)530
Constant e()0.18
Axial load factors : Y1()3.75
Axial load factors : Y2()5.58
Axial load factors : Y0()3.66

Mounting dimensions

A(min.)(mm)-
K(min.)(mm)-
de(min.)(mm)454
b(min.)(mm)17

Refer.

(Refer.)Mass(kg) 155
JTEKT

2025/06/01