Schaefer Marine Series 3 Flat Base Aluminum Cheek with Delrin Sheave Part 303-09

Series 3 Flat Base/Alum Cheek/Delrin Sheave

Delrin plain bearing sheave ensures smooth operation and high safe working load. Stainless Steel base distributes loads to a larger surface area.

Specifications:

• Sheave Dia. 1-7/16" (37 mm)
• Max Line 7/16" (11 m)
• Length 2-7/8" (73 mm)
• Width 1-3/4" (44 mm)
• Height 3/4" (19 mm)
• Fasteners (4) #10- RH (5 mm)
• C/C 2-3/8" (60 mm)
• SWL 1000 lbs. (450 kg)
• Weight Alum. 2.5 oz. (71 g)

The Schaefer Marine Series 3 Flat Base Aluminum Cheek with Delrin Sheave offers reliable performance for marine and sailing applications. Crafted with a durable stainless steel base, this sheave distributes loads evenly across a larger surface area, enhancing stability and safety during operation. The Delrin plain bearing ensures smooth rotation and high safe working load, making it ideal for demanding environments. Designed to accommodate lines up to 7/16 inch in diameter, this sheave supports maximum line strength while maintaining a lightweight profile, weighing just 2.5 ounces in aluminum construction. Its compact dimensions facilitate easy installation and integration into existing rigging setups, with four #10 RH fasteners (5 mm) securing it firmly in place. The sheave's dimensions, including a diameter of 1-7/16 inches and a height of 3/4 inch, make it suitable for a variety of sailing and rigging configurations, with a safe working load of 1,000 pounds or 450 kilograms. The Series 3 sheave is engineered for durability and efficiency, ensuring smooth operation over long periods and under heavy loads. Whether used in sailboat rigs or other marine pulley systems, this sheave is built to withstand harsh marine conditions while providing reliable performance. Its corrosion-resistant materials and robust design make it a trustworthy choice for boat owners and riggers seeking high-quality hardware that combines strength, ease of use, and longevity.

Features:

• Series 3 flat base design for secure mounting

• Stainless steel base distributes load evenly

• Delrin plain bearing for smooth rotation

• Supports line diameters up to 7/16 inch

• Maximum safe working load of 1,000 lbs (450 kg)

• Lightweight aluminum construction weighing 2.5 oz

• Compact dimensions for versatile installation

• Four #10 RH fasteners for secure attachment