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self-lubricated bearing uses the strong cast bronze as the base material, and implants special solid lubrication in a certain proportion to form a layer of solid lubricating film when used. this materical structure enjoys both the high bearing capacity of metal and the lubricating property of non-metal, which results in its application in places where fueling is difficult to be carried out or oil film is difficult to form, such as the situation of high bearing, hign temperature and low speed. this product is widely used in dam gate bearing, water turbine being, metallurgy equipment, rolling mill, high pressure blast furnace, automobile assembly line, automobile covering film, construction mechanism, injection moulding machine,various mouldsof hign precision and soon.bushing.