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Harken 4 in. Sheave
    Code: HAR550
    Original Price:$295.60
    Price: $260.13
    Quantity in Basket: None
    Product Description

    Big Boat sheaves are available for special applications as well as for replacement sheaves in Big Boat blocks. Made of Hardkote-anodized, Teflon® 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. Select sheaves based on load-carrying capability.

    Installation requires clamping or securing inner race.

    Use for:
    Mainsheets, Spinnaker sheets, Afterguy/foreguy and Footblocks.

    Part Number: 550

    Imperial Metric
    Sheave Dia. 4" 102 mm
    Width 7/8" 22 mm
    Weight 10 oz 284 gr
    Center Pin Dia. 3/8" 10.00 mm
    Fasteners 3/8" 10 mm
    Max Line Dia. 9/16" 14 mm
    Maximum Working Load 4950 lbs 2245 kg
    Breaking Load 9900 lbs 4490 kg

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