Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. EE220975D/1575/1576D

Specifications
(Boundary 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 : Y3()2.54
Axial load factors : Y0()1.67
Constant e()0.39

Mounting dimensions

da(min.)(mm)292
Da(max.)(mm)379
Da(max.)(mm)359
S(min.)(mm)7.5
ra(max.)(mm)6.4
rb(max.)(mm)1.6
Axial load factors : Y2(mm)1.71
Axial load factors : Y3()2.54
Axial load factors : Y0()1.67
Constant e()0.39

Refer.

(Refer.)Mass(kg) 123
JTEKT

2025/06/01