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

Bearing No. 4CR545

Specifications
(Boundary dimensions ...etc)

d(mm)545
D(mm)810
B(mm)580
C(mm)580
Fw(mm)614
r(min.)(mm)6
r1(min.)(mm)6
Basic load ratings : Cr(kN)14100
Basic load ratings : C0r(kN)32100
Fatigue load limit : Cu(kN)2820

Mounting dimensions

da(min.)(mm)573
Da(max.)(mm)782
da(min.)(mm)744
ra(max.)(mm)5
rb(max.)(mm)5

Refer.

(Refer.)Mass(kg) 1090
JTEKT

2025/06/01