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


Bearing No. 84FC58320

Specification data (main dimensions, etc.)

d(mm)420
D(mm)580
B(mm)320
C(mm)320
Fw(mm)463
r(min.)(mm)4
r1(min.)(mm)4
Basic load ratings : Cr(kN)5110
Basic load ratings : C0r(kN)11000
Fatigue load limit : Cu(kN)1070

Mounting dimensions,weight (reference)

da(min.)(mm)438 mm
Da(max.)(mm)562 mm
da(min.)(mm)543 mm
ra(max.)(mm)3 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)249 kg
JTEKT

2026/07/19