Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. 47T513627B

Specifications
(Boundary dimensions ...etc)

d(mm)254.000
D(mm)358.775
T(mm)269.875
W(mm)269.875
r(min.)(mm)3.2
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)2820
Basic load ratings : C0r(kN)6030
Fatigue load limit : Cu(kN)633
Axial load factors : Y2(mm)1.47
Axial load factors : Y3()2.19
Axial load factors : Y0()1.44
Constant e()0.46

Mounting dimensions

da(min.)(mm)272
Da(max.)(mm)345
Da(max.)(mm)331
S(min.)(mm)7.5
ra(max.)(mm)3.2
rb(max.)(mm)1.6
Axial load factors : Y2(mm)1.47
Axial load factors : Y3()2.19
Axial load factors : Y0()1.44
Constant e()0.46

Refer.

(Refer.)Mass(kg) 85.5
JTEKT

2025/06/01