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


Bearing No. 4CR440

Specification data (main 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,weight (reference)

da(min.)(mm)458 mm
Da(max.)(mm)602 mm
da(min.)(mm)577 mm
ra(max.)(mm)3 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)440 kg
JTEKT

2026/07/07