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


Bearing No. 47T13608746

Specification data (main dimensions, etc.)

d(mm)680
D(mm)870
T(mm)460
W(mm)460
r(min.)(mm)4
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)9750
Basic load ratings : C0r(kN)27400
Fatigue load limit : Cu(kN)2190
Axial load factors : Y2(mm)1.34
Axial load factors : Y32.00
Axial load factors : Y01.32
Constant e0.50

Mounting dimensions,weight (reference)

da(min.)(mm)710 mm
Da(max.)(mm)852 mm
Da(max.)(mm)820 mm
S(min.)(mm)9 mm
ra(max.)(mm)3 mm
rb(max.)(mm)2.5 mm
Axial load factors : Y2(mm)1.34 mm
Axial load factors : Y32.00
Axial load factors : Y01.32
Constant e0.50
Mass(Refer.)(kg)677 kg
JTEKT

2026/07/23