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

Bearing No. 4CR120

Specifications
(Boundary dimensions ...etc)

d(mm)120
D(mm)180
B(mm)105
C(mm)105
Fw(mm)135
r(min.)(mm)2
r1(min.)(mm)1.1
Basic load ratings : Cr(kN)525
Basic load ratings : C0r(kN)796
Fatigue load limit : Cu(kN)96.7

Mounting dimensions

da(min.)(mm)127
Da(max.)(mm)170
da(min.)(mm)165
ra(max.)(mm)2
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 9.3
JTEKT

2025/06/01