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


Bearing No. 56FC38170W

Specification data (main dimensions, etc.)

d(mm)280
D(mm)380
B(mm)170
C(mm)170
Fw(mm)306
r(min.)(mm)2.1
r1(min.)(mm)2.1
Basic load ratings : Cr(kN)1830
Basic load ratings : C0r(kN)3590
Fatigue load limit : Cu(kN)398

Mounting dimensions,weight (reference)

da(min.)(mm)292 mm
Da(max.)(mm)368 mm
da(min.)(mm)356 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)55.0 kg
JTEKT

2026/07/21