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Harken Big Boat Sheaves

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    Technical Description

    Harken Sheaves

    Harken Big Boat Sheaves

    Big Boat sheaves are available for special applications as well as for replacement sheaves in Big Boat blocks. Made of Hard Lube-anodized 6061-T6 aluminum, sheaves feature Torlon® rollers to carry high radial loads and carbon-black Delrin® balls to support sideloads and provide UV protection. Select sheaves based on load-carrying capability.


    • High-strength aluminum
    • Torlon® roller bearings
    • 907 - 6736 kg MWL
    • 64 - 178 mm

    Installation requires clamping or securing inner race.

    Delrin is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.

    If you have any questions or issue about Harken Complementary Hardware, please feel free to contact us at the Mauri Pro Sailing website and our crew will be more than happy to help.

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