Miniature bearings refer to all kinds of bearings of me […]
Miniature bearings refer to all kinds of bearings of metric series with an outer diameter of less than 9mm; inch series with an outer diameter of less than 9.525mm! The main materials are carbon steel, bearing steel, stainless steel, plastic, ceramics, etc. The smallest inner diameter can be 0.6mm, and the inner diameter is generally more than 1mm. Miniature bearings are suitable for various industrial equipment, small rotary motors and other fields with high speed and low noise, such as: office equipment, micromotors, instruments, laser engraving, small clocks, soft drives, pressure rotors, dental drills, hard disk motors , Stepper motor, video recorder drum, toy model, computer cooling fan, money counter, fax machine and other related fields. About 40% of miniature bearing failures are caused by dust, dirt, debris pollution and corrosion. Pollution is usually caused by improper use and poor use environment. It can also cause torque and noise problems. The failure of miniature bearings caused by the environment and pollution can be prevented, and the cause of such failures can be determined by simple visual inspection. As long as the use and installation are reasonable, the erosion of miniature bearings is easy to avoid. Erosion is characterized by indentation on the miniature bearing ring raceway caused by impact loads or incorrect installation. Erosion usually occurs when the load exceeds the material's yield limit. Erosion can also occur if the load is improperly installed so that a load crosses the miniature bearing ring. The dents on the miniature bearing rings also generate noise, vibration and additional torque.
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