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.
Specifications
Sheave Ø (mm)64 mm
Sheave Ø (in)2 1/2 in
Width (mm)35 mm
Width (in)1 3/8 in
Weight (g)198 g
Weight (oz)7 oz
Center pin Ø (mm)8.1 mm
Center pin Ø (in)5/16 in
Fasteners (mm)8 mm
Fasteners (in)5/16 in
Maximum line Ø (mm)12 mm
Maximum line Ø (in)1/2 in
Maximum working load (kg)1361 kg
Maximum working load (lb)3000 lb
Breaking load (kg)2721 kg
Breaking load (lb)6000 lb
