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Narrow Halyard & Steering Sheaves

178 mm Masthead Sheave

Part No. C6730
$416.00$104.09  Limited Quantities In Stock
Sheave Ø (mm)178 mm
Sheave Ø (in)7 in
Maximum line Ø (mm)16 mm
Maximum line Ø (in)5/8 in
Maximum working load (kg)6699 kg
Maximum working load (lb)14765 lb

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)178 mm
Sheave Ø (in)7 in
Width (mm)25 mm
Width (in)1 in
Weight (g)852 g
Weight (oz)30 oz
Center pin Ø (mm)28.6 mm
Center pin Ø (in)1 1/8 in
Maximum line Ø (mm)16 mm
Maximum line Ø (in)5/8 in
Maximum working load (kg)6699 kg
Maximum working load (lb)14765 lb
FootnoteBreaking load based on use of solid 304 stainless shafts. 

DO NOT use Harken Equipment for Human suspension.

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