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Harken
Harken 4.5 in. Wide Sheave
    Code: HAR657
    Original Price:$563.70
    Price: $496.06
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    Quantity in Basket: None
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    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: 657


    Specifications
    Imperial Metric
    Sheave Dia. 4 1/2" 114 mm
    Width 1 5/8" 41 mm
    Weight 25 oz 709 gr
    Center Pin Dia. 3/4" 19.10 mm
    Fasteners 3/8" 10 mm
    Fastener Circle 1 3/8" 35 mm
    Max Line Dia. 7/8" 18 mm
    Maximum Working Load 14850 lbs 6736 kg
    Breaking Load 29700 lbs 13472 kg

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