Harken 5.00 (127 mm) Narrow Hi-Load Halyard Sheave

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Narrow high-load sheaves in mastheads improve sail handling, speed sail changes, and allow the use of smaller, lighter halyard winches. Sheaves combine sideload-carrying balls with a PTFE composite bushing for radial loads.

Part Number: HK693


Sheave Ø (mm) 127 mm
Sheave Ø (in) 5 in
Width (mm) 19 mm
Width (in) 3/4 in
Weight (g) 340 g
Weight (oz) 12 oz
Center pin Ø (mm) 19.1 mm
Center pin Ø (in) 3/4 in
Maximum line Ø (mm) 12 mm
Maximum line Ø (in) 7/16 in
Maximum wire Ø (mm) 8 mm
Maximum wire Ø (in) 5/16 in
Maximum working load (kg) 5443 kg
Maximum working load (lb) 12000 lb
Breaking load (kg) 16828 kg
Breaking load (lb) 37100 lb
Footnote Breaking load based on use of solid 304 stainless shafts. 


Need help to design your Harken system - take a look here for the Harken System Guides and Drawings

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