MATERIAL WITH ACETALIC RESIN (POM) LAYER NON-SELF-LUBRICATING

The SB-20 type is a composite material. It is made of a low-carbon steel shell to which a layer of porous bronze is sintered on, than impregnated with a layer of acetalic resin (POM). The sliding surface is machined with dimples, which will gradually release the lubricant loaded during the installation. The range of application for the SB-20 type is wide: from industrial and civil vehicles to construction machines and enywhere there is a mechanical joint needing continuous lubrication. The family of the SB-20 type offers sliding bearings, washers and strips in both metric and imperial (inch) dimensions.
The SB-21 type has an extra layer of acetalic resin (POM) to allow the mechanical finishing of inside diameter before the assembly in the housing guaranteeing a higher precision and better tolerances.