Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. 47T553927

Specifications
(Boundary dimensions ...etc)

d(mm)276.225
D(mm)393.700
T(mm)269.878
W(mm)269.878
r(min.)(mm)6.4
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)2930
Basic load ratings : C0r(kN)5830
Fatigue load limit : Cu(kN)607
Axial load factors : Y2(mm)1.68
Axial load factors : Y3()2.50
Axial load factors : Y0()1.64
Constant e()0.40

Mounting dimensions

da(min.)(mm)299
Da(max.)(mm)373
Da(max.)(mm)363
S(min.)(mm)4.5
ra(max.)(mm)6.4
rb(max.)(mm)1.6
Axial load factors : Y2(mm)1.68
Axial load factors : Y3()2.50
Axial load factors : Y0()1.64
Constant e()0.40

Refer.

(Refer.)Mass(kg) 101
JTEKT

2025/06/01