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

Bearing No. 64FC46340A

Specifications
(Boundary dimensions ...etc)

d(mm)320
D(mm)460
B(mm)340
C(mm)340
Fw(mm)360
r(min.)(mm)3
r1(min.)(mm)3
Basic load ratings : Cr(kN)4150
Basic load ratings : C0r(kN)8730
Fatigue load limit : Cu(kN)890

Mounting dimensions

da(min.)(mm)334
Da(max.)(mm)446
da(min.)(mm)428
ra(max.)(mm)2.5
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 187
JTEKT

2025/06/01