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.Torlon roller/ball bearing system
Harken Big Boat Sheave Features:
Hard Lube-anodized, PTFE impregnated 6061-T6 aluminum
Carbon-black balls for UV protection