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


Bearing No. 184FC128800

Specification data (main dimensions, etc.)

d(mm)920
D(mm)1280
B(mm)815
C(mm)800
Fw(mm)1010
r(min.)(mm)7.5
r1(min.)(mm)7.5
Basic load ratings : Cr(kN)30900
Basic load ratings : C0r(kN)79900
Fatigue load limit : Cu(kN)6090

Mounting dimensions,weight (reference)

da(min.)(mm)956 mm
Da(max.)(mm)1244 mm
da(min.)(mm)1196 mm
ra(max.)(mm)6 mm
rb(max.)(mm)6 mm
Mass(Refer.)(kg)3280 kg
JTEKT

2026/07/21