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

Bearing No. 66FC46340B

Specifications
(Boundary dimensions ...etc)

d(mm)330
D(mm)460
B(mm)340
C(mm)340
Fw(mm)368
r(min.)(mm)4
r1(min.)(mm)4
Basic load ratings : Cr(kN)4360
Basic load ratings : C0r(kN)9800
Fatigue load limit : Cu(kN)978

Mounting dimensions

da(min.)(mm)348
Da(max.)(mm)442
da(min.)(mm)432
ra(max.)(mm)3
rb(max.)(mm)3

Refer.

(Refer.)Mass(kg) 176
JTEKT

2025/06/01