Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. 47T644533L

Specifications
(Boundary dimensions ...etc)

d(mm)317.500
D(mm)447.675
T(mm)327.025
W(mm)327.025
r(min.)(mm)6.4
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)4590
Basic load ratings : C0r(kN)10100
Fatigue load limit : Cu(kN)995
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)344
Da(max.)(mm)426
Da(max.)(mm)411
S(min.)(mm)11.5
ra(max.)(mm)6.4
rb(max.)(mm)1.6
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) 161
JTEKT

2025/06/01