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

Bearing No. 104FC68450W

Specifications
(Boundary dimensions ...etc)

d(mm)520
D(mm)680
B(mm)450
C(mm)450
Fw(mm)562
r(min.)(mm)5
r1(min.)(mm)5
Basic load ratings : Cr(kN)8370
Basic load ratings : C0r(kN)22300
Fatigue load limit : Cu(kN)1980

Mounting dimensions

da(min.)(mm)542
Da(max.)(mm)658
da(min.)(mm)642
ra(max.)(mm)4
rb(max.)(mm)4

Refer.

(Refer.)Mass(kg) 435
JTEKT

2025/06/01