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


Bearing No. 88FC59270W

Specification data (main dimensions, etc.)

d(mm)440
D(mm)590
B(mm)270
C(mm)270
Fw(mm)482
r(min.)(mm)4
r1(min.)(mm)4
Basic load ratings : Cr(kN)3880
Basic load ratings : C0r(kN)8460
Fatigue load limit : Cu(kN)830

Mounting dimensions,weight (reference)

da(min.)(mm)458 mm
Da(max.)(mm)572 mm
da(min.)(mm)554 mm
ra(max.)(mm)3 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)207 kg
JTEKT

2026/07/19