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


Bearing No. 4CR445

Specification data (main dimensions, etc.)

d(mm)445
D(mm)635
B(mm)375
C(mm)375
Fw(mm)496
r(min.)(mm)4
r1(min.)(mm)4
Basic load ratings : Cr(kN)6710
Basic load ratings : C0r(kN)14600
Fatigue load limit : Cu(kN)1390

Mounting dimensions,weight (reference)

da(min.)(mm)463 mm
Da(max.)(mm)617 mm
da(min.)(mm)588 mm
ra(max.)(mm)3 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)385 kg
JTEKT

2026/07/19