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

Bearing No. 4CR420A

Specifications
(Boundary dimensions ...etc)

d(mm)420
D(mm)600
B(mm)440
C(mm)440
Fw(mm)470
r(min.)(mm)5
r1(min.)(mm)5
Basic load ratings : Cr(kN)7780
Basic load ratings : C0r(kN)17700
Fatigue load limit : Cu(kN)1670

Mounting dimensions

da(min.)(mm)442
Da(max.)(mm)578
da(min.)(mm)560
ra(max.)(mm)4
rb(max.)(mm)4

Refer.

(Refer.)Mass(kg) 420
JTEKT

2025/06/01