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

Bearing No. 22311RZK+H2311X

Specifications
(Boundary dimensions ...etc)

d1(mm)50
B1(mm)59
d2(mm)75
B2(mm)12
B3(mm)-
d(mm)55
D(mm)120
B(mm)43
r(min.)(mm)2
Basic load ratings : Cr(kN)296
Basic load ratings : C0r(kN)264
Limiting speeds(Grease lub.)(min-1)4100
Limiting speeds(Oil lub.)(min-1)5500
Constant e()0.36
Axial load factors : Y1()1.85
Axial load factors : Y2()2.76
Axial load factors : Y0()1.81

Mounting dimensions

A(min.)(mm)19
K(min.)(mm)85
de(min.)(mm)61
b(min.)(mm)6

Refer.

(Refer.)Mass(kg) 2.80
JTEKT

2025/06/01