Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. 47T604729C

Specifications
(Boundary dimensions ...etc)

d(mm)300
D(mm)470
T(mm)292
W(mm)292
r(min.)(mm)4
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)4450
Basic load ratings : C0r(kN)8210
Fatigue load limit : Cu(kN)847
Axial load factors : Y2(mm)2.03
Axial load factors : Y3()3.02
Axial load factors : Y0()1.98
Constant e()0.33

Mounting dimensions

da(min.)(mm)343
Da(max.)(mm)452
Da(max.)(mm)428
S(min.)(mm)9.5
ra(max.)(mm)3
rb(max.)(mm)1.5
Axial load factors : Y2(mm)2.03
Axial load factors : Y3()3.02
Axial load factors : Y0()1.98
Constant e()0.33

Refer.

(Refer.)Mass(kg) 198
JTEKT

2025/06/17