Name: Harken 691 3" High-Load Halyard Sheave Replacement
Brand: Pacific Sailboat Supply
SKU: 103375
Price: 171.95 USD
Availability: InStock

HARKEN

Narrow Halyard & Steering Sheaves

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 side-load-carrying balls with a PTFE 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
Steering systems

Mfg No.	Sheave Diameter	Width	Max Line Diameter	Max Wire Diameter	Center Pin Diameter	MWL¹	BL²
691	3" (76mm)	5/8" (16mm)	3/8" (10mm)	3/16" (5mm)	1/2" (12.7mm)	4000 Lbs (1814kg)	16,500 Lbs (7484kg)

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