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

Bearing No. 313811

Specifications
(Boundary dimensions ...etc)

d(mm)200
D(mm)290
B(mm)192
C(mm)192
Fw(mm)226
r(min.)(mm)2.1
r1(min.)(mm)2.1
Basic load ratings : Cr(kN)1570
Basic load ratings : C0r(kN)3030
Fatigue load limit : Cu(kN)350

Mounting dimensions

da(min.)(mm)212
Da(max.)(mm)278
da(min.)(mm)268
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 42.0
JTEKT

2025/05/12