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HarkenHarken 4.5 in. Wide 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: 657


Specifications
Imperial Metric
Sheave Dia. 4 1/2" 114 mm
Width 1 5/8" 41 mm
Weight 25 oz 709 gr
Center Pin Dia. 3/4" 19.10 mm
Fasteners 3/8" 10 mm
Fastener Circle 1 3/8" 35 mm
Max Line Dia. 7/8" 18 mm
Maximum Working Load 14850 lbs 6736 kg
Breaking Load 29700 lbs 13472 kg

Harken 4.5 in. Wide Scheibe
Harken 4.5 in. Amplio Roldana
Harken 4.5 in. Wide Réa
Harken 4.5 in. Ampia Pulegge
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    Code: HAR657
    Original Price:$563.70
    Price: $496.06
    (You Save: $67.64)

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