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: 640

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

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Harken 2.50 in. Wide Sheave
Original Price: $ 169.00
Price: $ 149.11

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