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


Bearing No. 313811

Specification data (main dimensions, etc.)

d(mm)200
D(mm)290
B(mm)192
C(mm)192
Fw(mm)226
r(min.)(mm)2.1
r1(min.)(mm)2.1
Basic load ratings : Cr(kN)1570
Basic load ratings : C0r(kN)3030
Fatigue load limit : Cu(kN)350

Mounting dimensions,weight (reference)

da(min.)(mm)212 mm
Da(max.)(mm)278 mm
da(min.)(mm)268 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)42.0 kg
JTEKT

2026/07/07