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


Bearing No. 47T563829A

Specification data (main dimensions, etc.)

d(mm)280
D(mm)380
T(mm)290
W(mm)290
r(min.)(mm)2
r1(min.)(mm)1
Basic load ratings : Cr(kN)3020
Basic load ratings : C0r(kN)6940
Fatigue load limit : Cu(kN)710
Axial load factors : Y2(mm)2.03
Axial load factors : Y33.02
Axial load factors : Y01.98
Constant e0.33

Mounting dimensions,weight (reference)

da(min.)(mm)300 mm
Da(max.)(mm)370 mm
Da(max.)(mm)354 mm
S(min.)(mm)6 mm
ra(max.)(mm)2 mm
rb(max.)(mm)1 mm
Axial load factors : Y2(mm)2.03 mm
Axial load factors : Y33.02
Axial load factors : Y01.98
Constant e0.33
Mass(Refer.)(kg)92.1 kg
JTEKT

2026/07/19