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150 mm Aluminum Air® Runner Block — Becket 150 mm Aluminum Air® Runner Block — Becket
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Black Magic® Air Runner®

150 mm Aluminum Air® Runner Block — Becket

Part No. 3025
$2,250.25$646.75  Limited Quantities In Stock
Sheave Ø (mm)150 mm
Sheave Ø (in)6 in
Maximum line Ø (mm)25 mm
Maximum line Ø (in)1 in
Maximum working load (kg)6802 kg
Maximum working load (lb)15000 lb

Runners are used on running backstays of offshore boats to adjust mast bend for different wind conditions.

Integrated sideplate bails and recessed cotter key help produce a smooth design that won’t snag lifelines.

Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon® roller bearings separated and parallel to reduce friction.

Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.

Sheave Ø (mm)150 mm
Sheave Ø (in)6 in
Length (mm)275 mm
Length (in)10 13/16 in
Weight (g)1566 g
Weight (oz)55.2 oz
Clevis pin Ø (mm)19 mm
Clevis pin Ø (in)3/4 in
Maximum line Ø (mm)25 mm
Maximum line Ø (in)1 in
Maximum working load (kg)6802 kg
Maximum working load (lb)15000 lb
Breaking load (kg)13605 kg
Breaking load (lb)30000 lb
DWG: 3025.dwg (open/save)
DXF: 3025.dxf (open/save)
IGS: 3025.igs (open/save)
EPS: 3025.eps (open/save)
High-res JPG: 3025.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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