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


Bearing No. 313822

Specification data (main dimensions, etc.)

d(mm)280
D(mm)390
B(mm)220
C(mm)220
Fw(mm)312
r(min.)(mm)3
r1(min.)(mm)3
Basic load ratings : Cr(kN)2220
Basic load ratings : C0r(kN)4640
Fatigue load limit : Cu(kN)501

Mounting dimensions,weight (reference)

da(min.)(mm)294 mm
Da(max.)(mm)376 mm
da(min.)(mm)362 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)2.5 mm
Mass(Refer.)(kg)81.8 kg
JTEKT

2026/07/19