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: 519

Imperial Metric
Sheave Dia. 5 1/2" 140 mm
Width 1 1/8" 29 mm
Weight 27 oz 765 gr
Center Pin Dia. 7/8" 22.28 mm
Fasteners 3/8" 10 mm
Fastener Circle 1 5/8" 41 mm
Max Line Dia. 7/8" 22 mm
Maximum Working Load 9100 lbs 4127 kg
Breaking Load 18200 lbs 8254 kg

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Harken 5.5 in. Sheave
Original Price: $ 609.80
Price: $ 536.62

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