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

Bearing No. 88FC64420

Specifications
(Boundary dimensions ...etc)

d(mm)440
D(mm)640
B(mm)420
C(mm)420
Fw(mm)492
r(min.)(mm)5
r1(min.)(mm)5
Basic load ratings : Cr(kN)8410
Basic load ratings : C0r(kN)18400
Fatigue load limit : Cu(kN)1740

Mounting dimensions

da(min.)(mm)462
Da(max.)(mm)618
da(min.)(mm)592
ra(max.)(mm)4
rb(max.)(mm)4

Refer.

(Refer.)Mass(kg) 470
JTEKT

2025/06/01