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Harken Sheave - Big Boat - Wide Sheave - Sheave Dia: 3.0 in (76.0 mm) (603)

SKU: HAR603  |  Manuf. Code: 603
List Price:  $454.95 USD
$400.95 USD

You save 12% ($54 off List)
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DESCRIPTION

The Big Boat Wide Sheaves #603 is perfect for those special applications and replacements in Big Boat blocks where durability and performance are key. Made from 6061-T6 aluminum, these sheaves are designed to handle high radial loads effortlessly. They're built to last with quality materials that offer great protection against the elements.

Benefits

  • Constructed from hardcoat-anodized, PTFE-impregnated 6061-T6 aluminum for enhanced durability
  • Torlon® rollers support high radial loads
  • Delrin® balls provide sideload support and UV protection

Crafted with the sailor in mind, these 76mm diameter sheaves are an excellent choice for those in need of reliable replacement parts for their Big Boat blocks. The unique combination of Torlon® rollers and carbon-black Delrin® balls ensures they handle stress from various angles while offering strong UV resistance. Perfect for sailing gear where reliability and material quality make all the difference.

Our Part # HAR603 | Mfr. Part # 603

FEATURES

  • 3.0 inch (76.0 mm) sheave diameter.
  • Designed for big boat applications.
  • Wide sheave accommodates various line types.
  • Constructed for durability and smooth operation.

TECHNICAL INFORMATION

DescriptionImperialMetric
Sheave3 in76 mm
Width1 9/16 in40 mm
Weight10 oz284 g
Center Pin3/8 in10 mm
Fasteners3/8 in10 mm
Maximum Line3/4 in18 mm
Maximum working load4950 lb2245 kg
Breaking Load9900 lb4490 kg