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


Bearing No. 4CR120

Specification data (main 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,weight (reference)

da(min.)(mm)127 mm
Da(max.)(mm)170 mm
da(min.)(mm)165 mm
ra(max.)(mm)2 mm
rb(max.)(mm)1 mm
Mass(Refer.)(kg)9.3 kg
JTEKT

2026/07/19