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

Bearing No. 128FC88600

Specifications
(Boundary dimensions ...etc)

d(mm)640
D(mm)880
B(mm)600
C(mm)600
Fw(mm)700
r(min.)(mm)6
r1(min.)(mm)6
Basic load ratings : Cr(kN)16100
Basic load ratings : C0r(kN)40800
Fatigue load limit : Cu(kN)3400

Mounting dimensions

da(min.)(mm)668
Da(max.)(mm)852
da(min.)(mm)824
ra(max.)(mm)5
rb(max.)(mm)5

Refer.

(Refer.)Mass(kg) 1130
JTEKT

2025/06/03