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How to judge the quality of a steel ball?

Source:Luoyang Mingzhen Bearing Steel Ball Co., Ltd. | Updated: May 20, 2016

According to different applications, steel balls could be seperated into grinding steel balls and bearing steel balls. The quality of bearing used steel balls is directly connected with the life of bearing. With the development of steel ball industry, more and more companys joined in the ranks. At present, good and bad steel balls are intermingled in the market. Thus, how to judge the quality of a steel balls?

At first, check the surface of steel balls under floodlight. Bearing steel balls are high precision products which means the surface roughness is very good. Thus, a high quality steel ball should be shinning and no surface defects like scratch, bum, rust spot etc.

Secondly, the ball grade of steel balls has strictly requirements on deviation from spherical form, variation ball diameter, surface roughness, crush load etc. Thus, it needs professional device to do the inspections as the standards required.

The ball grade will be definied based on the results of all the inspection items.

Luoyang Mingzhen Bearing Steel Ball Co., Ltd. promises to supply high quality bearing balls all the time. We sincerely hope to build long term cooperation with all the customers.



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