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Harken Big Boat Sheaves


    Technical Description

    Harken Big Boat Sheaves

    Harken Big Boat sheaves are available for special applications as well as for replacement sheaves in Big Boat blocks. Made of Hard Lube-anodized, 6061-T6 aluminum, Harken Big Boat 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
    Spinnaker sheets

    Harken Big Boat Sheave Features:

  • Torlon roller/ball bearing system
  • Hard Lube-anodized, PTFE impregnated 6061-T6 aluminum
  • Carbon-black balls for UV protection

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