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

Bearing No. 56FC39275J

Specifications
(Boundary dimensions ...etc)

d(mm)280
D(mm)390
B(mm)275
C(mm)275
Fw(mm)308
r(min.)(mm)3
r1(min.)(mm)2.1
Basic load ratings : Cr(kN)3270
Basic load ratings : C0r(kN)6850
Fatigue load limit : Cu(kN)719

Mounting dimensions

da(min.)(mm)292
Da(max.)(mm)376
da(min.)(mm)366
ra(max.)(mm)2.5
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 102
JTEKT

2025/06/01