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) 178 mm
Sheave Ø (in) 7 in
Width (mm) 29 mm
Width (in) 1 1/8 in
Weight (g) 1280 g
Weight (oz) 45 oz
Center pin Ø (mm) 38 mm
Center pin Ø (in) 1 1/2 in
Fasteners (mm) 12 mm
Fasteners (in) 1/2 in
Fastener circle (mm) 64 mm
Fastener circle (in) 2 1/2 in
Maximum line Ø (mm) 22 mm
Maximum line Ø (in) 7/8 in
Maximum working load (kg) 6349 kg
Maximum working load (lb) 14000 lb
Breaking load (kg) 12698 kg
Breaking load (lb) 28000 lb
