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


Bearing No. 40FC31206

Specification data (main dimensions, etc.)

d(mm)200
D(mm)310
B(mm)206
C(mm)206
Fw(mm)227
r(min.)(mm)2.1
r1(min.)(mm)2.1
Basic load ratings : Cr(kN)1930
Basic load ratings : C0r(kN)3240
Fatigue load limit : Cu(kN)387

Mounting dimensions,weight (reference)

da(min.)(mm)212 mm
Da(max.)(mm)298 mm
da(min.)(mm)283 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)56.6 kg
JTEKT

2026/07/18