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


Bearing No. 69FC46254W

Specification data (main dimensions, etc.)

d(mm)343.052
D(mm)457.098
B(mm)254
C(mm)254
Fw(mm)374
r(min.)(mm)3
r1(min.)(mm)3
Basic load ratings : Cr(kN)2830
Basic load ratings : C0r(kN)6190
Fatigue load limit : Cu(kN)632

Mounting dimensions,weight (reference)

da(min.)(mm)358 mm
Da(max.)(mm)443 mm
da(min.)(mm)430 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)2.5 mm
Mass(Refer.)(kg)112 kg
JTEKT

2026/07/19