Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row cylindrical roller bearings
>

Bearing No. 313812W

Specifications
(Boundary dimensions ...etc)

d(mm)180
D(mm)260
B(mm)168
C(mm)168
Fw(mm)202
r(min.)(mm)2.1
r1(min.)(mm)2.1
Basic load ratings : Cr(kN)1240
Basic load ratings : C0r(kN)2390
Fatigue load limit : Cu(kN)291

Mounting dimensions

da(min.)(mm)192
Da(max.)(mm)248
da(min.)(mm)238
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 29.7
JTEKT

2025/06/01