Harken 5.5 in. Sheave

Harken 5.5 in. Sheave

Product Details


    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: 519

    Tech Info

    Imperial Metric
    Sheave Dia. 5 1/2" 140 mm
    Width 1 1/8" 29 mm
    Weight 27 oz 765 gr
    Center Pin Dia. 7/8" 22.28 mm
    Fasteners 3/8" 10 mm
    Fastener Circle 1 5/8" 41 mm
    Max Line Dia. 7/8" 22 mm
    Maximum Working Load 9100 lbs 4127 kg
    Breaking Load 18200 lbs 8254 kg