Harken - Big Boat Sheaves


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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