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Lubricant can be isolated from the surface of the metal bearing (such as rolling element, bearing ring and Zhou Chengzhao), and therefore reduce friction, protect metal parts and prevention and control of pollution and impurities. There are a variety of lubricants (including oil, oil and solids) for different operating conditions. Correct selection of lubricant is very important for prolonging the service life of the bearing and equipment. Due to the excessive rolling of the rolling element, the bearing lubricant has been subjected to long-term mechanical pressure. In addition, the chemical properties of the lubricant will be changed, especially in the high temperature, wet or polluted environment. All of these have led to the gradual decline in the quality of lubrication. Therefore, in order to ensure the longest service life, the bearing is to be lubricated regularly. The lubrication cycle depends on the operating conditions, such as temperature, speed, environment, etc.. Only in the pre lubricated or sealed bearings (also known as "life long" bearing), the bearing life is determined by the lubricant life. Lubricants must be kept properly according to the manufacturer's instructions, in particular, to keep the lubricant clean and free from pollution. Before each use, carefully check the quality of the lubricant, using the old or contaminated lubricant may cause premature bearing failure. E-mail:[email protected]     SKF BEARINGS  FAG BEARINGS  INA BEARINGS  TIMKEN BEARINGS  NSK BEARINGS  NTN BEARINGS  KOYO BEARINGS  NACHI BEARINGS. 
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