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the article citations: time:2016-04-21 09:05:05
a common bearing is composed of a ball or a roller, a retainer, rings (inner ring and outer ring), lubricants and seals (selectable).
there are several types of bearing which are classified according to the shapes of their rollers. generally, there are , and a combination of the two.
a ball bearing has the characteristic of low friction. it is suitable for applications which demand high speed, high precision, low torque and low vibration. whereas a has a large capacity for load so it is suitable for applications which demand high load, shock load and longer bearing life.
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