Harken 2.50 in. Wide Sheave

Harken 2.50 in. Wide 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: 640

    Tech Info

    Imperial Metric
    Sheave Dia. 2 1/2" 64 mm
    Width 1 1/4" 32 mm
    Weight 6 oz 170 gr
    Center Pin Dia. 5/16" 8.10 mm
    Fasteners 5/16" 8 mm
    Max Line Dia. 9/16" 14 mm
    Maximum Working Load 2000 lbs 907 kg
    Breaking Load 4000 lbs 1814 kg