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

Bearing No. 34FC23120

Specifications
(Boundary dimensions ...etc)

d(mm)170
D(mm)230
B(mm)120
C(mm)120
Fw(mm)187
r(min.)(mm)2
r1(min.)(mm)2
Basic load ratings : Cr(kN)837
Basic load ratings : C0r(kN)1680
Fatigue load limit : Cu(kN)208

Mounting dimensions

da(min.)(mm)180
Da(max.)(mm)220
da(min.)(mm)215
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 14.4
JTEKT

2025/06/01