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 Ceramic
Material including mainly silicon nitride, zirconia, alumina (Al2O3), and
silicon carbide.Ceramic materials are noted for their better or
particular characters, such as wearability , corrosion resistance, high temperature
resistance, electrical insulation
(except SiC), non-magnetic, high strength, high rigidity, and low specific gravity.
So
they are used in numerous industrial, Military and aerospace
applications where long life ,High speed, Heat, Pressure and low rolling resistance are required and vacuum.
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The full ceramic
bearing used in High speed spindles help assure greater RPM and up to 10
times longer operating life.
Depend on new
technology, the cost of ceramic bearing is down , so they are widely used
in domestic products, like fishing rod , bike etc.
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