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


Bearing No. 34FC23120

Specification data (main 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,weight (reference)

da(min.)(mm)180 mm
Da(max.)(mm)220 mm
da(min.)(mm)215 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)14.4 kg
JTEKT

2026/07/19