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Bearing ball hardness index
by：Waxing
2020-11-12
Hardness is weigh the bearing steel ball can amount to mark one of the indicators, hardness and direct resolution the abrasion resistance and compressive property of steel ball.
In the perspective of professional is how to explain the hardness of steel ball?
Below I will avail himself of the relevant authority a period we are for everyone: bearing ball hardness hardness of main pressure against hard objects weigh the ball into talents, common rockwell hardness (
HRC）
To weigh the value, in a certain range, the greater the numerical said steel ball surface hardness is higher, its wear resistance and fatigue resistance to the stronger.
Bearing steel appearance hardness value of the original data (usually
HRC）
For 15 ~ 20, after heat treatment process of bearing steel ball appearance hardness value can reach 58-64.
Industry standards of various sizes of steel ball in the appearance of hardness has rules, based on the large professional manufacturer of bearing products use based on different sizes steel ball, steel ball hardness value of different depth and the same size have a more detailed customization requests.
Rockwell hardness of steel ball bearing steel ball hardness is carbon steel ball, stainless steel balls, bearing steel ball hardness is the tallest of the three kinds of commonly used steel ball, above HRC60, due to good wear resistance, high precision of bearing steel ball is generally used for mounting and low accuracy of bearing steel ball is mainly used for polishing, grinding, etc.
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