Lignum-Vitae has a long history in Hydro Power and Marine applications. Prior to World War II it was used in all sorts of industries. With advances in plastics and composites the thought was man could make a better product and have an endless supply. The problem is no one has figured out how to recreate what mother nature has given us. (An extraordinary Water/Self Lubricated Bearing! This is such an extraordinary material we have identified the top Industries that this material can offer mission critical performance for much longer than any other material. By doing so we will assure its use for the highest and best calling. This is the very best Water Lubricated Bearing with a history of lifetime value second to none.