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


Bearing No. 120FC87640

Specification data (main dimensions, etc.)

d(mm)600
D(mm)870
B(mm)640
C(mm)640
Fw(mm)672
r(min.)(mm)6
r1(min.)(mm)6
Basic load ratings : Cr(kN)16800
Basic load ratings : C0r(kN)40000
Fatigue load limit : Cu(kN)3360

Mounting dimensions,weight (reference)

da(min.)(mm)628 mm
Da(max.)(mm)842 mm
da(min.)(mm)808 mm
ra(max.)(mm)5 mm
rb(max.)(mm)5 mm
Mass(Refer.)(kg)1320 kg
JTEKT

2026/07/19