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DESCRIPTION

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.

Breaking load based on use of solid 304 stainless shafts.

Our Part # HAR693 | Mfr. Part # 693

FEATURES

  • 5.0 inch (127 mm) sheave diameter.
  • High-strength, lightweight composite material.
  • Ensures smooth, efficient rope movement.
  • Ideal replacement or upgrade component.
  • Compatible with specific Harken block series.

TECHNICAL INFORMATION

DescriptionImperialMetric
Sheave5 in12.7 cm
Width3/4 in19 mm
Weight12 oz340 g
Center Pin3/4 in19.1 mm
Maximum Line1/2 in12.0 mm
Maximum Wire5/16 in8 mm
Maximum working load12000 lb5443 kg
Breaking Load37100 lb16828 kg