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

Bearing No. 64FC44230/240

Specifications
(Boundary dimensions ...etc)

d(mm)320
D(mm)440
B(mm)230
C(mm)230
Fw(mm)351
r(min.)(mm)3
r1(min.)(mm)3
Basic load ratings : Cr(kN)2720
Basic load ratings : C0r(kN)5490
Fatigue load limit : Cu(kN)574

Mounting dimensions

da(min.)(mm)334
Da(max.)(mm)426
da(min.)(mm)411
ra(max.)(mm)2.5
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 103
JTEKT

2025/06/01