Bearing lubricants in addition to lubrication, cooling, cleaning, sealing, protection, cushioning and other things, it is also very hostile work environment.
　　1, lubricants and lubrication spatter, continuous contact with a variety of metal parts and air, under the catalysis of metal, ageing oil spoilage.
　　2, high temperature lubricant throughout the TIMKEN bearing and mechanical contact, such as the upper part of the cylinder wall temperature of 190~290℃, average oil temperature of 100 ° c in the crankcase, oil at high temperatures due to intense oxidation and spoilage.
　　3, combustion emissions and the absence of complete combustion of gas mixture through the slit fleeing into the crankcase, which will make the oil sludge, acid, caused metamorphism of lubricating oil last lapse.
　　4, dust, metal debris, resulting from the combustion of carbon, and so on, will make the lubricant quality.
　　Therefore, lubricant in the bearing's working conditions are extremely harsh, and lubricating oil is indispensable to the work of maintaining bearings, high demands on the TIMKEN bearings lubricant performance.



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