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


Bearing No. 34FC25170

Specification data (main 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,weight (reference)

da(min.)(mm)182 mm
Da(max.)(mm)238 mm
da(min.)(mm)232 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)27.8 kg
JTEKT

2026/07/19