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 features Delrin balls running on a large diameter center boss, which ensures an extremely low friction performance.
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![Barton Marine 64mm Diameter Ball Bearing Rope Sheave [64914]](http://www.essentialmarineservices.com/cdn/shop/files/99101XL.jpg?v=1702557343&width=1445)