Measuring Instrument
Jewelry Bearing

Measuring Instrument Jewelry Bearing

Industrial jewels including sapphire have superior abrasion resistance, a low friction coefficient, and little heat variation, making them an optimal component for the instruments that require stable measurement over a long period of time.

Many bearings made from jewels or ceramics are used for the bearing mechanisms of various measurement instruments; sapphire, ruby, ceramic, zirconia, etc. are selected according to the applicationin.

For example, electric meters in which sapphire jewel bearings are used are maintenance-free for ten years.
Adamant Namiki has been manufacturing jewel bearings since its foundation, and they are a key part of the measurement instruments used in essential utilities, such as electricity and water meters, that support our daily lives.

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