The rolling bearing koyo's performance depends largely on its material properties. Usually made with low-alloy, the overall quenching of high-purity chromium steel as koyo bearing ring and rolling element materials. Koyo bearings to withstand high impact loads and alternating bending stress, the use of case-hardened steel.
In recent years, due to the koyo bearing steel quality continues to improve (of course, prices are rising), to make it koyo bearing carrying capacity is greatly improved. Research results and practical experience have proved that today's standard scroll koyo Bearing koyo bearing steel, good lubrication, a clean environment and the load is not the case, has infinite fatigue strength can be achieved.
Scroll koyo bearing rings and rolling the heat treatment process to ensure koyo bearing of 150 degrees or less, and dimensionally stable. For higher temperatures, the need to use a special heat treatment method. Koyo bearings in a corrosive environment, you need to koyo bearing steels engage corrosive. Stainless steel standard koyo bearings in the code to add the prefix "s" and suffix "w203b,". This koyo bearings and overall quenching koyo bearing steel koyo bearing the main dimensions and carrying capacity is the same. In order to maintain its corrosion resistance, in the process of installation and use of the surface can not be damage.
The production of silicon nitride balls for koyo bearings ceramic spindle. Ceramic balls are much lighter than the ball, centrifugal force and friction significantly small than steel balls. This koyo bearings in grease lubrication can still reach a very high speed and long life, low operating temperature.
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