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


Bearing No. 180FC123870

Specification data (main dimensions, etc.)

d(mm)900
D(mm)1230
B(mm)895
C(mm)870
Fw(mm)990
r(min.)(mm)7.5
r1(min.)(mm)7.5
Basic load ratings : Cr(kN)28300
Basic load ratings : C0r(kN)77500
Fatigue load limit : Cu(kN)5850

Mounting dimensions,weight (reference)

da(min.)(mm)936 mm
Da(max.)(mm)1194 mm
da(min.)(mm)1154 mm
ra(max.)(mm)6 mm
rb(max.)(mm)6 mm
Mass(Refer.)(kg)3170 kg
JTEKT

2026/07/19