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

Bearing No. 64FC45240

Specifications
(Boundary dimensions ...etc)

d(mm)320
D(mm)450
B(mm)240
C(mm)240
Fw(mm)355
r(min.)(mm)3
r1(min.)(mm)3
Basic load ratings : Cr(kN)2900
Basic load ratings : C0r(kN)5730
Fatigue load limit : Cu(kN)604

Mounting dimensions

da(min.)(mm)334
Da(max.)(mm)436
da(min.)(mm)419
ra(max.)(mm)2.5
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 117
JTEKT

2025/06/01