Ceramic rolling body for a rolling bearing, and process for producing it
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United States of America Patent
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Issued Date -
Oct 20, 2005
app pub date -
Mar 31, 2005
filing date -
Apr 2, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A ceramic rolling body for a rolling bearing comprising a blank produced in an individual mold and having an encircling roller lateral surface which merges, via two lateral transition radii into two roller end faces. To reduce the costs of producing this ceramic roller, the roller lateral surface and the roller end faces of the blank have a maximum grinding layer that exceeds the final shape of the ceramic roller of between 1 and 5 .mu.m. A plurality of cavities are formed into the roller end faces to reduce diffusion time and save sintering material.
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