Bushing bearings, also known as dry bearings or DU bearings, belong to a Bushing series, and are a type of sliding bearing known for their excellent self-lubricating properties. These bearings are composed of multiple layers, collectively providing stable and maintenance-free operation.
The fundamental working principle of bushing bearings involves the formation of a transfer film of solid lubricant on the bearing surface during the initial operating stages. This film develops through the frictional interaction and eventually coats the mating component, creating a solid lubricating layer and achieving self-lubrication.
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