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Harken 4.5 in. Sheave

Harken 4.5 in. Sheave

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 in 25 mm
    Weight 16 oz 454 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 3/4 in 18 mm
    Maximum working load 7500 lb 3401 kg
    Breaking load 15000 lb 6803 kg

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