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Harken 4.5 in. Wide Sheave

HAR657
$505.99
Harken 4.5 in. Wide Sheave
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Product Details


    Technical Description


    Big Boat sheaves are available for special applications as well as for replacement sheaves in Big Boat blocks. Made of hardcoat-anodized, PTFE-impregnated 6061-T6 aluminum, sheaves feature Torlon® rollers to carry high radial loads and carbon-black Delrin® balls to support sideloads and provide UV protection.
    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.

    Tech Specs

    Imperial Metric
    Sheave Ø 4 1/2 in 114 mm
    Width 1 5/8 in 41 mm
    Weight 25 oz 709 g
    Center pin Ø 3/4 in 19.1 mm
    Fasteners 3/8 in 10 mm
    Fastener circle 1 3/8 in 35 mm
    Maximum line Ø 7/8 in 18 mm
    Maximum working load 14850 lb 6736 kg
    Breaking load 29700 lb 13472 kg

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