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

Bearing No. 68FC45250W

Specifications
(Boundary dimensions ...etc)

d(mm)340
D(mm)445
B(mm)250
C(mm)250
Fw(mm)367
r(min.)(mm)2.1
r1(min.)(mm)4
Basic load ratings : Cr(kN)2690
Basic load ratings : C0r(kN)6110
Fatigue load limit : Cu(kN)626

Mounting dimensions

da(min.)(mm)358
Da(max.)(mm)433
da(min.)(mm)419
ra(max.)(mm)2
rb(max.)(mm)3

Refer.

(Refer.)Mass(kg) 100
JTEKT

2025/06/18