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

Bearing No. 56FC38170W

Specifications
(Boundary dimensions ...etc)

d(mm)280
D(mm)380
B(mm)170
C(mm)170
Fw(mm)306
r(min.)(mm)2.1
r1(min.)(mm)2.1
Basic load ratings : Cr(kN)1830
Basic load ratings : C0r(kN)3590
Fatigue load limit : Cu(kN)398

Mounting dimensions

da(min.)(mm)292
Da(max.)(mm)368
da(min.)(mm)356
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 55.0
JTEKT

2025/06/01