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


Bearing No. 314274A

Specification data (main dimensions, etc.)

d(mm)320
D(mm)480
B(mm)350
C(mm)350
Fw(mm)364
r(min.)(mm)2.1
r1(min.)(mm)2.1
Basic load ratings : Cr(kN)5390
Basic load ratings : C0r(kN)11000
Fatigue load limit : Cu(kN)1120

Mounting dimensions,weight (reference)

da(min.)(mm)332 mm
Da(max.)(mm)468 mm
da(min.)(mm)444 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)227 kg
JTEKT

2026/07/19