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HarkenHarken 4 in. Sheave
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: 550


Specifications
Imperial Metric
Sheave Dia. 4" 102 mm
Width 7/8" 22 mm
Weight 10 oz 284 gr
Center Pin Dia. 3/8" 10.00 mm
Fasteners 3/8" 10 mm
Max Line Dia. 9/16" 14 mm
Maximum Working Load 4950 lbs 2245 kg
Breaking Load 9900 lbs 4490 kg

Harken 4 in. Scheibe
Harken 4 in. Roldana
Harken 4 in. Réa
Harken 4 in. Pulegge
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    Code: HAR550
    Original Price:$295.60
    Price: $260.13
    (You Save: $35.47)

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