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


Bearing No. 47T745238D

Specification data (main dimensions, etc.)

d(mm)368.300
D(mm)523.875
T(mm)382.588
W(mm)382.588
r(min.)(mm)3.2
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)6040
Basic load ratings : C0r(kN)14100
Fatigue load limit : Cu(kN)1320
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)403 mm
Da(max.)(mm)508 mm
Da(max.)(mm)483 mm
S(min.)(mm)7.5 mm
ra(max.)(mm)3.2 mm
rb(max.)(mm)1.6 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)265 kg
JTEKT

2026/07/19