Product

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

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