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

Bearing No. 40FC31206

Specifications
(Boundary 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

da(min.)(mm)212
Da(max.)(mm)298
da(min.)(mm)283
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 56.6
JTEKT

2025/06/01