Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. 47T614838A

Specifications
(Boundary dimensions ...etc)

d(mm)304.800
D(mm)482.600
T(mm)377.825
W(mm)365.125
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)5200
Basic load ratings : C0r(kN)9800
Fatigue load limit : Cu(kN)986
Axial load factors : Y2(mm)1.43
Axial load factors : Y3()2.12
Axial load factors : Y0()1.40
Constant e()0.47

Mounting dimensions

da(min.)(mm)343
Da(max.)(mm)461
Da(max.)(mm)437
S(min.)(mm)1
ra(max.)(mm)6.4
rb(max.)(mm)3.2
Axial load factors : Y2(mm)1.43
Axial load factors : Y3()2.12
Axial load factors : Y0()1.40
Constant e()0.47

Refer.

(Refer.)Mass(kg) 250
JTEKT

2025/05/15