Product

HARKEN SHEAVE NARROW 4.00 WIRE HALYARD

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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.

Sheave Ø (mm)
102 mm

Sheave Ø (in)
4 in

Width (mm)
19 mm

Width (in)
3/4 in

Weight (g)
227 g

Weight (oz)
8 oz

Center pin Ø (mm)
12.7 mm

Center pin Ø (in)
1/2 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)
3742 kg

Maximum working load (lb)
8250 lb

Breaking load (kg)
7484 kg

Breaking load (lb)
16500 lb

Footnote
Breaking load based on use of solid 304 stainless shafts.