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Big Boat Sheaves

64 mm Wide Sheave

Part No. 640
$169.00  Limited Quantities In Stock
Sheave Ø (mm)64 mm
Sheave Ø (in)2 1/2 in
Maximum line Ø (mm)14 mm
Maximum line Ø (in) 9/16 in
Maximum working load (kg)907 kg
Maximum working load (lb)2000 lb

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.

Sheave Ø (mm)64 mm
Sheave Ø (in)2 1/2 in
Width (mm)32 mm
Width (in)1 1/4 in
Weight (g)170 g
Weight (oz)6 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)14 mm
Maximum line Ø (in) 9/16 in
Maximum working load (kg)907 kg
Maximum working load (lb)2000 lb
Breaking load (kg)1814 kg
Breaking load (lb)4000 lb
DWG: 640.dwg (open/save)
DXF: 640.dxf (open/save)
EPS: 640.eps (open/save)
High-res JPG: 640.jpg (open/save)

DO NOT use Harken Equipment for Human suspension.

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