Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. 47T7254

Specifications
(Boundary dimensions ...etc)

d(mm)360
D(mm)540
T(mm)460
W(mm)460
r(min.)(mm)4
r1(min.)(mm)5
Basic load ratings : Cr(kN)6920
Basic load ratings : C0r(kN)15800
Fatigue load limit : Cu(kN)1450
Axial load factors : Y2(mm)2.47
Axial load factors : Y3()3.67
Axial load factors : Y0()2.41
Constant e()0.27

Mounting dimensions

da(min.)(mm)408
Da(max.)(mm)522
Da(max.)(mm)492
S(min.)(mm)9.5
ra(max.)(mm)3
rb(max.)(mm)4
Axial load factors : Y2(mm)2.47
Axial load factors : Y3()3.67
Axial load factors : Y0()2.41
Constant e()0.27

Refer.

(Refer.)Mass(kg) 373
JTEKT

2025/06/01