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


Bearing No. EE220975D/1575/1576D

Specification data (main dimensions, etc.)

d(mm)247.650
D(mm)400.050
T(mm)253.995
W(mm)249.235
r(min.)(mm)6.4
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)2800
Basic load ratings : C0r(kN)5140
Fatigue load limit : Cu(kN)548
Axial load factors : Y2(mm)1.71
Axial load factors : Y32.54
Axial load factors : Y01.67
Constant e0.39

Mounting dimensions,weight (reference)

da(min.)(mm)292 mm
Da(max.)(mm)379 mm
Da(max.)(mm)359 mm
S(min.)(mm)7.5 mm
ra(max.)(mm)6.4 mm
rb(max.)(mm)1.6 mm
Axial load factors : Y2(mm)1.71 mm
Axial load factors : Y32.54
Axial load factors : Y01.67
Constant e0.39
Mass(Refer.)(kg)123 kg
JTEKT

2026/07/22