Barton Marine 35mm Diameter Plain Bearing Sheave

35mm Diameter Plain Bearing Sheave A replacement all-purpose rope sheave. Used throughout the complete Barton block range. Molded from UV-resistant acetal resin, the Barton sheave is made to survive the harsh marine environment. The unique, super-low friction ball race system runs on a large diameter center boss, which ensures an extremely low friction performance. Technical Specifications: Overall Diameter – 1- 4/10″ (35mm) Hub Width – .47″ (12mm) Bore – .31″ (8mm) *Sold as an Individual