Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. 47T665131A

Specifications
(Boundary dimensions ...etc)

d(mm)330.200
D(mm)508.000
T(mm)307.975
W(mm)307.975
r(min.)(mm)6.4
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)4660
Basic load ratings : C0r(kN)8500
Fatigue load limit : Cu(kN)862
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)372
Da(max.)(mm)486
Da(max.)(mm)462
S(min.)(mm)8
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) 219
JTEKT

2025/06/01