Slide bush and bearing for pump, rudder and cylinder. Made of composit material. Application, Can be used at any place instead of bronze material. Materil itself non-conductiove and much lighter than bronze bearing.Aramid, Phenolic and polyester with brown, blue and black color. This material following advantages over traditional bearing materils - no swell in water, dry running capability, protects housings from corrosion, elasticity reduces the effects of hammering and tolerant to misalignment and shaft deflections.