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

Bearing No. 173FC122889B

Specifications
(Boundary dimensions ...etc)

d(mm)862.98
D(mm)1219.302
B(mm)876.3
C(mm)889
Fw(mm)956
r(min.)(mm)7.5
r1(min.)(mm)7.5
Basic load ratings : Cr(kN)32200
Basic load ratings : C0r(kN)84600
Fatigue load limit : Cu(kN)6370

Mounting dimensions

da(min.)(mm)899
Da(max.)(mm)1183
da(min.)(mm)1136
ra(max.)(mm)6
rb(max.)(mm)6

Refer.

(Refer.)Mass(kg) 3450
JTEKT

2025/06/11