Product Description

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: 520

Imperial Metric
Sheave Dia. 7" 178 mm
Width 1 1/8" 29 mm
Weight 45 oz 1280 gr
Center Pin Dia. 1 1/2" 38.00 mm
Fasteners 1/2" 12 mm
Fastener Circle 2 1/2" 64 mm
Max Line Dia. 7/8" 22 mm
Maximum Working Load 14000 lbs 6349 kg
Breaking Load 28000 lbs 12698 kg

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Harken 7 in. Sheave
Original Price: $ 996.65
Price: $ 877.05

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