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Hangsheng Inc.

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Ceramic Ball Bearing

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It contains ceramic balls, chrome steel rings, nylon cage.Whats ceramic?There are two materials: silicon nitride, , we always call it Si3N4 or black ball(its black color). Another is Zirconia, we call it ZrO2 or white ball(its white color). The density of silicon nitride is 3.20 g/cm3 lower than Zirconia(3.96 g/cm3) or chrome steel(7.85 g/cm3).For this reason, the ceramic rolling element can effectively restrain the centrifugal force generated by high-speed rotation and reduce the load of rolling element. Meanwhile, it can also reduce the rotational slide between the rolling element and the raceway surface and thus prevent surface damage. So, it can be widely used in bearings. If you want to know Standard bearing,full ceramic bearing and electroplated bearing,please visit

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