bn:03469593n
Noun Concept
Categories: Bearings (mechanical), Timekeeping components
EN
jewel bearing  jewel  Watch jewel
EN
A jewel bearing is a plain bearing in which a metal spindle turns in a jewel-lined pivot hole. Wikipedia
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Sources
EN
A jewel bearing is a plain bearing in which a metal spindle turns in a jewel-lined pivot hole. Wikipedia
A jewel-lined bearing commonly used in mechanical watches Wikipedia Disambiguation
used in sensitive measuring equipment Wikidata
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