Rolling bearing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 29, 1987
Grant Date -
N/A
app pub date -
Dec 2, 1986
filing date -
Dec 3, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved rolling bearing is proposed which has a longer life under heavy load and under lubrication with oil containing foreign matters. Its bearing rings and rolling elements are made of carburized steel having an oxygen content of 15 PPM or less and have a deeper surface hardened layer and a higher core hardness. It has a longer life even under lubrication with oil containing foreign matters.
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