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


Bearing No. 58FC40180W

Specification data (main dimensions, etc.)

d(mm)290
D(mm)400
B(mm)180
C(mm)180
Fw(mm)320
r(min.)(mm)3
r1(min.)(mm)3
Basic load ratings : Cr(kN)2010
Basic load ratings : C0r(kN)4010
Fatigue load limit : Cu(kN)434

Mounting dimensions,weight (reference)

da(min.)(mm)304 mm
Da(max.)(mm)386 mm
da(min.)(mm)372 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)2.5 mm
Mass(Refer.)(kg)68.3 kg
JTEKT

2026/07/18