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


Bearing No. 89FC66324

Specification data (main dimensions, etc.)

d(mm)444.5
D(mm)660.4
B(mm)323.85
C(mm)323.85
Fw(mm)500
r(min.)(mm)4
r1(min.)(mm)4
Basic load ratings : Cr(kN)6510
Basic load ratings : C0r(kN)12600
Fatigue load limit : Cu(kN)1210

Mounting dimensions,weight (reference)

da(min.)(mm)463 mm
Da(max.)(mm)642 mm
da(min.)(mm)608 mm
ra(max.)(mm)3 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)400 kg
JTEKT

2026/07/19