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


Bearing No. 313812W

Specification data (main dimensions, etc.)

d(mm)180
D(mm)260
B(mm)168
C(mm)168
Fw(mm)202
r(min.)(mm)2.1
r1(min.)(mm)2.1
Basic load ratings : Cr(kN)1240
Basic load ratings : C0r(kN)2390
Fatigue load limit : Cu(kN)291

Mounting dimensions,weight (reference)

da(min.)(mm)192 mm
Da(max.)(mm)248 mm
da(min.)(mm)238 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)29.7 kg
JTEKT

2026/07/19