Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. 47288A

Specifications
(Boundary dimensions ...etc)

d(mm)440
D(mm)650
T(mm)334
W(mm)334
r(min.)(mm)6
r1(min.)(mm)6
Basic load ratings : Cr(kN)5890
Basic load ratings : C0r(kN)12200
Fatigue load limit : Cu(kN)1130
Axial load factors : Y2(mm)2.43
Axial load factors : Y3()3.61
Axial load factors : Y0()2.37
Constant e()0.28

Mounting dimensions

da(min.)(mm)500
Da(max.)(mm)622
Da(max.)(mm)595
S(min.)(mm)9.5
ra(max.)(mm)5
rb(max.)(mm)5
Axial load factors : Y2(mm)2.43
Axial load factors : Y3()3.61
Axial load factors : Y0()2.37
Constant e()0.28

Refer.

(Refer.)Mass(kg) 375
JTEKT

2025/06/01