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

Bearing No. 313822A

Specifications
(Boundary dimensions ...etc)

d(mm)280
D(mm)390
B(mm)220
C(mm)220
Fw(mm)308
r(min.)(mm)3
r1(min.)(mm)3
Basic load ratings : Cr(kN)2340
Basic load ratings : C0r(kN)4670
Fatigue load limit : Cu(kN)508

Mounting dimensions

da(min.)(mm)294
Da(max.)(mm)376
da(min.)(mm)362
ra(max.)(mm)2.5
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 79.7
JTEKT

2025/06/01