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


Bearing No. EE737179D/260/261D

Specification data (main dimensions, etc.)

d(mm)457.200
D(mm)660.400
T(mm)323.847
W(mm)323.850
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)6120
Basic load ratings : C0r(kN)12700
Fatigue load limit : Cu(kN)1180
Axial load factors : Y2(mm)1.80
Axial load factors : Y32.69
Axial load factors : Y01.76
Constant e0.37

Mounting dimensions,weight (reference)

da(min.)(mm)501 mm
Da(max.)(mm)637 mm
Da(max.)(mm)603 mm
S(min.)(mm)9 mm
ra(max.)(mm)6.4 mm
rb(max.)(mm)3.2 mm
Axial load factors : Y2(mm)1.80 mm
Axial load factors : Y32.69
Axial load factors : Y01.76
Constant e0.37
Mass(Refer.)(kg)365 kg
JTEKT

2026/07/18