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The high-speed dental drill bearing for the high-speed dental handpiece can rotate at the speed of400,000 rpm, replaceable with the dental handpiece produced in Japan, Germany and UK etc. At the normal working conditions, the clinical service life is no lestt than six months.
The high-speed dental drill bearing is a kinds of precision micro bearing, thus the careful installation and use, meticulous operation and elaboration and elaborate maintenance are needed, otherwise its performance and service life will be affected directly. For instance, the damage of ball and groove by the impulsive load during the assembly, bearing contamination and improper lubrication etc all will lead to the lower speed, higher vibration an noise, fracture of cage and shorter service life of the bearing.
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