HARKEN ALLOY SHEAVE 75MM
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 (mm)
76 mm
Sheave Ø (in)
3 in
Width (mm)
22 mm
Width (in)
7/8 in
Weight (g)
170 g
Weight (oz)
6 oz
Center pin Ø (mm)
10 mm
Center pin Ø (in)
3/8 in
Fasteners (mm)
10 mm
Maximum line Ø (mm)
14 mm
Maximum line Ø (in)
9/16 in
Maximum working load (kg)
2245 kg
Maximum working load (lb)
4950 lb
Breaking load (kg)
4490 kg
Breaking load (lb)
9900 lb