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


Bearing No. 313824A

Specification data (main dimensions, etc.)

d(mm)230
D(mm)330
B(mm)206
C(mm)206
Fw(mm)260
r(min.)(mm)2.1
r1(min.)(mm)2.1
Basic load ratings : Cr(kN)2020
Basic load ratings : C0r(kN)3980
Fatigue load limit : Cu(kN)450

Mounting dimensions,weight (reference)

da(min.)(mm)242 mm
Da(max.)(mm)318 mm
da(min.)(mm)308 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)57.5 kg
JTEKT

2026/07/19