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

Bearing No. 21318RZK+H318X

Specifications
(Boundary dimensions ...etc)

d1(mm)80
B1(mm)65
d2(mm)120
B2(mm)18
B3(mm)-
d(mm)90
D(mm)190
B(mm)43
r(min.)(mm)3
Basic load ratings : Cr(kN)413
Basic load ratings : C0r(kN)416
Limiting speeds(Grease lub.)(min-1)2600
Limiting speeds(Oil lub.)(min-1)3400
Constant e()0.23
Axial load factors : Y1()2.91
Axial load factors : Y2()4.30
Axial load factors : Y0()2.84

Mounting dimensions

A(min.)(mm)28
K(min.)(mm)139
de(min.)(mm)96
b(min.)(mm)6

Refer.

(Refer.)Mass(kg) 7.56
JTEKT

2025/06/01