SF-2 boundary lubrication bearing is based on steel plate, sintered spherical bronze powder in the middle, rolled modified polyoxymethylene (POM) on the surface and contains oil storage pits. It is suitable for places with low speed and medium load under normal temperature conditions, replacing traditional copper sleeves, reducing costs and extending service life. Under special circumstances, it can be used on a rolling mill to save the refueling frequency and simplify the replacement procedure. This product has been widely used in automobile chassis, forging machine tools, gold mining machinery, engineering machinery, hydropower, steel rolling industry and other fields.