HARKEN SHEAVE ALLOY 64MM
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.
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