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

Bearing No. 122FC87660

Specifications
(Boundary dimensions ...etc)

d(mm)610
D(mm)870
B(mm)660
C(mm)660
Fw(mm)680
r(min.)(mm)6
r1(min.)(mm)6
Basic load ratings : Cr(kN)16300
Basic load ratings : C0r(kN)40300
Fatigue load limit : Cu(kN)3360

Mounting dimensions

da(min.)(mm)638
Da(max.)(mm)842
da(min.)(mm)808
ra(max.)(mm)5
rb(max.)(mm)5

Refer.

(Refer.)Mass(kg) 1310
JTEKT

2025/06/01