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

Bearing No. 68FC45250BW

Specifications
(Boundary dimensions ...etc)

d(mm)340
D(mm)450
B(mm)250
C(mm)250
Fw(mm)368
r(min.)(mm)2.1
r1(min.)(mm)2.1
Basic load ratings : Cr(kN)2940
Basic load ratings : C0r(kN)6480
Fatigue load limit : Cu(kN)672

Mounting dimensions

da(min.)(mm)352
Da(max.)(mm)438
da(min.)(mm)424
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 106
JTEKT

2025/06/18