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Big Boat Sheaves

114 mm Sheave

Part No. 518
$530.35  In Stock
Sheave Ø (mm)114 mm
Sheave Ø (in)4 1/2 in
Maximum line Ø (mm)18 mm
Maximum line Ø (in) 3/4 in
Maximum working load (kg)3401 kg
Maximum working load (lb)7500 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 L.L.C.

Sheave Ø (mm)114 mm
Sheave Ø (in)4 1/2 in
Width (mm)25 mm
Width (in)1 in
Weight (g)454 g
Weight (oz)16 oz
Center pin Ø (mm)19.1 mm
Center pin Ø (in) 3/4 in
Fasteners (mm)10 mm
Fasteners (in)3/8 in
Fastener circle (mm)35 mm
Fastener circle (in)1 3/8 in
Maximum line Ø (mm)18 mm
Maximum line Ø (in) 3/4 in
Maximum working load (kg)3401 kg
Maximum working load (lb)7500 lb
Breaking load (kg)6803 kg
Breaking load (lb)15000 lb
Drawing - DWG:  518.dwg (open/save)
Drawing - DXF:  518.dxf (open/save)
3D drawing - IGS:  518.igs (open/save)
Photo - EPS:  518.eps (open/save)
Photo - JPG:  518.jpg (open/save)

DO NOT use Harken equipment for human suspension unless product is specifically certified and labeled for such use.

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