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

Bearing No. 34FC25170

Specifications
(Boundary dimensions ...etc)

d(mm)170
D(mm)250
B(mm)170
C(mm)170
Fw(mm)192
r(min.)(mm)2.1
r1(min.)(mm)2.1
Basic load ratings : Cr(kN)1260
Basic load ratings : C0r(kN)2230
Fatigue load limit : Cu(kN)277

Mounting dimensions

da(min.)(mm)182
Da(max.)(mm)238
da(min.)(mm)232
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 27.8
JTEKT

2025/06/01