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Harken Sheave - Big Boat - Wide Sheave - Sheave Dia: 4 1/2 in (114.0 mm)

SKU: HAR657  |  Manuf. Code: 657
List Price:  $813.30 USD
$715.95 USD
12% off, you save $97
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DESCRIPTION

Big Boat sheaves are available for special applications as well as for replacement sheaves in Big Boat blocks. Made of hardcoat-anodized, PTFE-impregnated 6061-T6 aluminum, sheaves feature Torlon® rollers to carry high radial loads and carbon-black Delrin® balls to support sideloads and provide UV protection.

Delrin® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.
Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.

Our Part # HAR657 | Mfr. Part # 657

FEATURES

  • Designed for big boat systems
  • Wide sheave accommodates larger lines
  • 4 1/2 inch (114 mm) sheave diameter
  • Reduces friction for smooth operation

TECHNICAL INFORMATION
DescriptionImperialMetric
Sheave4 1/2 in114 mm
Width1 5/8 in41 mm
Weight25 oz709 g
Center Pin3/4 in19.1 mm
Maximum Line7/8 in22 mm
Maximum working load14850 lb6736 kg
Breaking Load29700 lb13472 kg