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Harken 4.5 in. Sheave

HAR518
$422.95
Harken 4.5 in. 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 114 mm 4 1/2 in
    Width 25 mm 1 in
    Weight 454 g 16 oz
    Center pin Ø 19.1 mm 3/4 in
    Fasteners 10 mm 3/8 in
    Fastener circle 35 mm 1 3/8 in
    Maximum line Ø 18 mm 3/4 in
    Maximum working load 3401 kg 7500 lb
    Breaking load 6803 kg 15000 lb

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