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.
|Sheave Ø||4 1/2 in||114 mm|
|Width||1 in||25 mm|
|Weight||16 oz||454 g|
|Center pin Ø||3/4 in||19.1 mm|
|Fasteners||3/8 in||10 mm|
|Fastener circle||1 3/8 in||35 mm|
|Maximum line Ø||3/4 in||18 mm|
|Maximum working load||7500 lb||3401 kg|
|Breaking load||15000 lb||6803 kg|