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


Bearing No. 47T524032

Specification data (main dimensions, etc.)

d(mm)260
D(mm)400
T(mm)320
W(mm)320
r(min.)(mm)4
r1(min.)(mm)5
Basic load ratings : Cr(kN)3520
Basic load ratings : C0r(kN)7070
Fatigue load limit : Cu(kN)743
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)294 mm
Da(max.)(mm)382 mm
Da(max.)(mm)361 mm
S(min.)(mm)8.5 mm
ra(max.)(mm)3 mm
rb(max.)(mm)4 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)145 kg
JTEKT

2026/07/21