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

Bearing No. 66FC46340

Specifications
(Boundary dimensions ...etc)

d(mm)330
D(mm)460
B(mm)340
C(mm)340
Fw(mm)364
r(min.)(mm)2.1
r1(min.)(mm)2.1
Basic load ratings : Cr(kN)4150
Basic load ratings : C0r(kN)9150
Fatigue load limit : Cu(kN)926

Mounting dimensions

da(min.)(mm)342
Da(max.)(mm)448
da(min.)(mm)428
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 172
JTEKT

2025/06/01