Process for manufacturing a bearing
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United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Dec 28, 2010
filing date -
Jun 21, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A process for manufacturing a bearing, which may be used in a tool within a bore hole. The process includes providing a tubular sleeve, applying a hard facing material on an outer surface of the tubular sleeve so that the hard facing material is fixed to the outer surface, and thereafter applying a material layer over the hard facing material so that the material layer is fixed to the hard facing material. The process further includes machining the material layer so that a portion of the material layer is removed, and then machining the inner surface so that only the hard facing material is left as an inner surface. The process further includes machining the inner and outer surfaces to form the bearing. The process further includes placing the bearing into a housing and inserting a mandrel into the bearing, where a hard coating of the mandrel abuts the bearing.
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