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

Bearing No. 4CR440

Specifications
(Boundary dimensions ...etc)

d(mm)440
D(mm)620
B(mm)450
C(mm)450
Fw(mm)487
r(min.)(mm)4
r1(min.)(mm)4
Basic load ratings : Cr(kN)8490
Basic load ratings : C0r(kN)20000
Fatigue load limit : Cu(kN)1840

Mounting dimensions

da(min.)(mm)458
Da(max.)(mm)602
da(min.)(mm)577
ra(max.)(mm)3
rb(max.)(mm)3

Refer.

(Refer.)Mass(kg) 440
JTEKT

2025/06/18