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

Bearing No. 89FC66324

Specifications
(Boundary dimensions ...etc)

d(mm)444.5
D(mm)660.4
B(mm)323.85
C(mm)323.85
Fw(mm)500
r(min.)(mm)4
r1(min.)(mm)4
Basic load ratings : Cr(kN)6510
Basic load ratings : C0r(kN)12600
Fatigue load limit : Cu(kN)1210

Mounting dimensions

da(min.)(mm)463
Da(max.)(mm)642
da(min.)(mm)608
ra(max.)(mm)3
rb(max.)(mm)3

Refer.

(Refer.)Mass(kg) 400
JTEKT

2025/06/01