Product Description

Harken Narrow high load sheaves in mastheads improve sail handling, speed sail changes, and allow the use of smaller, lighter halyard winches. Used in steering systems, these sheaves return ''feel'' to wheel-steered boats.

Sheaves combine sideload-carrying balls with a Teflon® composite bushing for radial loads. These durable sheaves are made of 6061-T6 aluminum and are well-suited for masthead and steering installations.

Installation requires clamping or securing inner race.

Use for:
Masthead/halyard sheaves and Steering systems.

Part Number: 693

Imperial Metric
Sheave Dia. 5" 127 mm
Width 3/4" 19 mm
Weight 12 oz 340 gr
Center Pin Dia. 3/4" 19.10 mm
Max Line Dia. 7/16" 12 mm
Max Wire Dia. 5/16" 8 mm
Maximum Working Load 12000 lbs 5443 kg
Breaking Load * 37100 lbs 16828 kg
* Based on use of solid 304 stainless shafts.
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Harken 5 in. Halyard Sheave
Original Price: $ 377.30
Price: $ 332.02

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