Harken 178mm Big Boat Torlon Roller Sheave
Harken's 178mm Big Boat Sheave is used for special mainsheet, spinnaker sheet, afterguy/foreguy, or footblock applications as well as a replacement sheave in a Big Boat block.
It is made of hardcoat-anodized, PTFE-impregnated 6061-T6 aluminum and features Torlon rollers to carry high radial loads and carbon-black Delrin balls to support sideloads and provide UV protection.
|Bore (in)||1 1/2|
|Breaking Load (lbs)||28000|
|Max Line Size (in)||7/8|
|Max Line Size (mm)||22|
|Safe Working Load (lbs)||14000|
|Sheave Diameter (in)||7|
|Sheave Diameter (mm)||178|
|Sheave Width (in)||1 1/8|
|Sheave Width (mm)||29|