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


Bearing No. 4CR400

Specification data (main dimensions, etc.)

d(mm)400
D(mm)560
B(mm)410
C(mm)410
Fw(mm)445
r(min.)(mm)5
r1(min.)(mm)5
Basic load ratings : Cr(kN)6800
Basic load ratings : C0r(kN)15800
Fatigue load limit : Cu(kN)1500

Mounting dimensions,weight (reference)

da(min.)(mm)422 mm
Da(max.)(mm)538 mm
da(min.)(mm)525 mm
ra(max.)(mm)4 mm
rb(max.)(mm)4 mm
Mass(Refer.)(kg)310 kg
JTEKT

2026/07/19