Non-lubricated rolling element ball bearing
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United States of America Patent
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-
Nov 20, 2001
Grant Date -
N/A
app pub date -
Dec 14, 1999
filing date -
Dec 14, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An all-ceramic rolling element ball bearing assembly utilizes the superior compressive strength and hardness of ceramic materials over bearing steels to provide a point contact load bearing interface between the bearing balls and races that has no relative motion in the ball/race contact zone. Without the frictional heating of a curved-line contact bearing design, the all-ceramic bearing does not require the use of a friction reducing lubricant.
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