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


Bearing No. 180FC122840

Specification data (main dimensions, etc.)

d(mm)900
D(mm)1220
B(mm)840
C(mm)840
Fw(mm)981
r(min.)(mm)7.5
r1(min.)(mm)7.5
Basic load ratings : Cr(kN)30000
Basic load ratings : C0r(kN)83100
Fatigue load limit : Cu(kN)6240

Mounting dimensions,weight (reference)

da(min.)(mm)936 mm
Da(max.)(mm)1184 mm
da(min.)(mm)1146 mm
ra(max.)(mm)6 mm
rb(max.)(mm)6 mm
Mass(Refer.)(kg)2980 kg
JTEKT

2026/07/22