Rare earth ceramic bearing features

Source: China Bearing Network Time: 2013-11-21

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Rare earth ceramic bearings have light layout, good electrical insulation, small thermal expansion coefficient, non-magnetic, non-conductive, high speed, low noise, high temperature resistance, wear resistance, acid, alkali, salt corrosion, non-toxic, high temperature Features such as stable stability, working in harsh conditions; good dry work; widely used in aviation, aerospace, sail, automobile, machine tool, petroleum, chemical, electric power, metallurgy, textile, medicine, scientific research and military Technology and other fields; it is a high-tech product of new data with international advanced level.
Silicon nitride ceramic bearings The most direct use of silicon nitride in bearings is the manufacture of hybrid bearings; balls or rollers are silicon nitride; bearings made of metal in the inner and outer rings are called hybrid bearings; balls or other rolls are used as hybrid bearings. The use of silicon nitride is becoming more and more large. Silicon nitride exhibits similar properties to bearing steel when worn out; that is, the seizures fall off to form pitting; instead of being completely broken; the frictional resistance adds noise; but the bearings are still Can work. When the work is poor or even dry; when the raw materials are suddenly damaged, they can work; reflect the outstanding emergency situation.

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