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. Product Specifications Sheave Ø (mm) 76 mm Sheave Ø (in) 3 in Width (mm) 40 mm Width (in) 1 9/16 in Weight (g) 284 g Weight (oz) 10 oz Center pin Ø (mm) 10 mm Center pin Ø (in) 3/8 in Fasteners (mm) 10 mm Fasteners (in) 3/8 in Maximum line Ø (mm) 18 mm Maximum line Ø (in) 3/4 in Maximum working load (kg) 2245 kg Maximum working load (lb) 4950 lb Breaking load (kg) 4490 kg Breaking load (lb) 9900 lb
