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


Bearing No. EE531201D/300/301XD

Specification data (main dimensions, etc.)

d(mm)508.000
D(mm)762.000
T(mm)463.550
W(mm)463.550
r(min.)(mm)6.4
r1(min.)(mm)6.4
Basic load ratings : Cr(kN)9760
Basic load ratings : C0r(kN)19900
Fatigue load limit : Cu(kN)1780
Axial load factors : Y2(mm)1.78
Axial load factors : Y32.65
Axial load factors : Y01.74
Constant e0.38

Mounting dimensions,weight (reference)

da(min.)(mm)564 mm
Da(max.)(mm)738 mm
Da(max.)(mm)696 mm
S(min.)(mm)11.5 mm
ra(max.)(mm)6.4 mm
rb(max.)(mm)6.4 mm
Axial load factors : Y2(mm)1.78 mm
Axial load factors : Y32.65
Axial load factors : Y01.74
Constant e0.38
Mass(Refer.)(kg)736 kg
JTEKT

2026/07/19