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HARKEN178mm Narrow Sheave, Self Contained Halyard

Model # 6582423 | Mfg # 695UPC # 97653011996

This item is no longer available.


178mm Narrow Sheave, Self Contained Halyard

Name Value
Sheave Diameter 178 mm
Mount Type Complementary Hardware
Safe Working Load 21000 Pounds
Type Spare Sheave

Product Overview

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 diameter (mm): 178 mm
  • Sheave diameter (in): 7 in
  • Width (mm): 25 mm
  • Width (in): 1 in
  • Weight (g): 765 g
  • Weight (oz): 27 oz
  • Center pin diameter (mm): 25.42 mm
  • Center pin diameter (in): 1 in
  • Maximum line diameter (mm): 14 mm
  • Maximum line diameter (in): 9/16 in
  • Maximum wire diameter (mm): 12 mm
  • Maximum wire diameter (in): 7/16 in
  • Maximum working load (kg): 9526 kg
  • Maximum working load (lb): 21000 lb
  • Breaking load (kg): 29937 kg
  • Breaking load (lb): 66000 lb
*FootnoteBreaking load based on use of solid 304 stainless shafts. 


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