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


Bearing No. 314553

Specification data (main dimensions, etc.)

d(mm)200
D(mm)270
B(mm)170
C(mm)170
Fw(mm)222
r(min.)(mm)2
r1(min.)(mm)2.1
Basic load ratings : Cr(kN)1270
Basic load ratings : C0r(kN)2780
Fatigue load limit : Cu(kN)324

Mounting dimensions,weight (reference)

da(min.)(mm)212 mm
Da(max.)(mm)260 mm
da(min.)(mm)254 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)28.0 kg
JTEKT

2026/07/19