SF-2 Boundary lubrication bearing steel is for substrate, middle sintering spherical bronze powder, surface rolled modified POM (POM), and contain storage pit. It is suitable for normal temperature conditions, the low-contained place, replace the traditional copper sleeve both to reduce costs and extend service life. On the rolling mill use, to save fuel frequency, simplifying replacement procedure.
The product has been widely used in auto chassis, forging machine, metallurgical and mining machinery, engineering machinery, hydropower, steel rolling industries.

Technical data