BI-DIRECTIONAL TAPERED ROLLER BEARING ASSEMBLY WITH IMPROVED WEAR RESISTANCE

摘要

There is provided a roller bearing incorporating a roller (20) and a race (14) having a rib (24) and defining a raceway. The raceway terminates at the rib (24) and is operative to receive the roller (20) such that a rolling surface (20c) of the roller engages in rolling contact with the raceway. A hard coating (C) is applied to the rib (24) such that an end (20a) of the roller engages in sliding contact with the coating.