Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. EE737179D/260/261D

Specifications
(Boundary 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 : Y3()2.69
Axial load factors : Y0()1.76
Constant e()0.37

Mounting dimensions

da(min.)(mm)501
Da(max.)(mm)637
Da(max.)(mm)603
S(min.)(mm)9
ra(max.)(mm)6.4
rb(max.)(mm)3.2
Axial load factors : Y2(mm)1.80
Axial load factors : Y3()2.69
Axial load factors : Y0()1.76
Constant e()0.37

Refer.

(Refer.)Mass(kg) 365
JTEKT

2025/06/01