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

Bearing No. 44FC31225A

Specifications
(Boundary dimensions ...etc)

d(mm)220
D(mm)310
B(mm)225
C(mm)225
Fw(mm)244
r(min.)(mm)2.1
r1(min.)(mm)2.1
Basic load ratings : Cr(kN)2020
Basic load ratings : C0r(kN)4160
Fatigue load limit : Cu(kN)467

Mounting dimensions

da(min.)(mm)232
Da(max.)(mm)298
da(min.)(mm)288
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 53.5
JTEKT

2025/06/01