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


Bearing No. 84FC56280

Specification data (main dimensions, etc.)

d(mm)420
D(mm)560
B(mm)280
C(mm)280
Fw(mm)457
r(min.)(mm)4
r1(min.)(mm)4
Basic load ratings : Cr(kN)4200
Basic load ratings : C0r(kN)9410
Fatigue load limit : Cu(kN)913

Mounting dimensions,weight (reference)

da(min.)(mm)438 mm
Da(max.)(mm)542 mm
da(min.)(mm)527 mm
ra(max.)(mm)3 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)189 kg
JTEKT

2026/07/19