Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings


Bearing No. 47T513627B

Specification data (main 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 : Y32.19
Axial load factors : Y01.44
Constant e0.46

Mounting dimensions,weight (reference)

da(min.)(mm)272 mm
Da(max.)(mm)345 mm
Da(max.)(mm)331 mm
S(min.)(mm)7.5 mm
ra(max.)(mm)3.2 mm
rb(max.)(mm)1.6 mm
Axial load factors : Y2(mm)1.47 mm
Axial load factors : Y32.19
Axial load factors : Y01.44
Constant e0.46
Mass(Refer.)(kg)85.5 kg
JTEKT

2026/07/19