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


Bearing No. 58FC39234

Specification data (main dimensions, etc.)

d(mm)290
D(mm)390
B(mm)234
C(mm)234
Fw(mm)320
r(min.)(mm)3
r1(min.)(mm)3
Basic load ratings : Cr(kN)2460
Basic load ratings : C0r(kN)5500
Fatigue load limit : Cu(kN)575

Mounting dimensions,weight (reference)

da(min.)(mm)304 mm
Da(max.)(mm)376 mm
da(min.)(mm)368 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)2.5 mm
Mass(Refer.)(kg)80.0 kg
JTEKT

2026/07/19