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


Bearing No. 88FC72452

Specification data (main dimensions, etc.)

d(mm)440
D(mm)720
B(mm)452
C(mm)452
Fw(mm)512
r(min.)(mm)6
r1(min.)(mm)6
Basic load ratings : Cr(kN)9220
Basic load ratings : C0r(kN)16600
Fatigue load limit : Cu(kN)1590

Mounting dimensions,weight (reference)

da(min.)(mm)468 mm
Da(max.)(mm)692 mm
da(min.)(mm)652 mm
ra(max.)(mm)5 mm
rb(max.)(mm)5 mm
Mass(Refer.)(kg)740 kg
JTEKT

2026/07/19