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

Bearing No. 21308RZK+H308X

Specifications
(Boundary dimensions ...etc)

d1(mm)35
B1(mm)36
d2(mm)58
B2(mm)10
B3(mm)-
d(mm)40
D(mm)90
B(mm)23
r(min.)(mm)1.5
Basic load ratings : Cr(kN)105
Basic load ratings : C0r(kN)95.5
Limiting speeds(Grease lub.)(min-1)5600
Limiting speeds(Oil lub.)(min-1)7600
Constant e()0.26
Axial load factors : Y1()2.55
Axial load factors : Y2()3.80
Axial load factors : Y0()2.50

Mounting dimensions

A(min.)(mm)17
K(min.)(mm)65
de(min.)(mm)44
b(min.)(mm)5

Refer.

(Refer.)Mass(kg) 0.972
JTEKT

2025/06/01