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


Bearing No. 128FC88600

Specification data (main dimensions, etc.)

d(mm)640
D(mm)880
B(mm)600
C(mm)600
Fw(mm)700
r(min.)(mm)6
r1(min.)(mm)6
Basic load ratings : Cr(kN)16100
Basic load ratings : C0r(kN)40800
Fatigue load limit : Cu(kN)3400

Mounting dimensions,weight (reference)

da(min.)(mm)668 mm
Da(max.)(mm)852 mm
da(min.)(mm)824 mm
ra(max.)(mm)5 mm
rb(max.)(mm)5 mm
Mass(Refer.)(kg)1130 kg
JTEKT

2026/07/19