Ronstan Series 40 Orbit Ball Bearing Exit Block, 1-9/16" Sheave

Optimize your sailing performance with the Ronstan Series 40 Orbit Ball Bearing Exit Block, meticulously engineered for exceptional strength, efficiency, and reliability. This high-performance block is designed to minimize friction in lines passing through the deck, mast, or boom, ensuring smooth operation under both dynamic and static loads. Upgrade your rigging today for effortless control and enhanced vessel performance.

• Class-Leading Load Capacity: Offers impressive dynamic and static load ratings (MWL 880/1760 lb, BL 4410 lb), providing superior strength for demanding sailing applications.
• Efficient Line Handling: Features a 1-9/16 inch (40mm) sheave diameter, accommodating ropes up to 3/8 inch (10mm) for smooth and versatile line management.
• Ultra-Low Friction System: Incorporates a sophisticated 2-stage ball bearing system using high compression strength acetal balls to minimize friction across the full working load range, ensuring efficient and effortless trimming.
• Lightweight & Durable Construction: Toughened glass fiber reinforced nylon cheeks replace traditional stainless steel straps, offering a significant weight reduction without compromising strength or reliability.
• Versatile Rigging Options: Available with soft attachment, lashing, or traditional swivel shackle head configurations to suit a wide array of installation needs.
• Corrosion-Resistant Housing: Encased in an anodized aluminum housing for enhanced durability and resistance to harsh marine environments.

• Ideal for mainsheet systems and spinnaker sheets on dinghies, off-the-beach catamarans, and sportsboats up to 8m (26ft).
• Suitable for halyard, vang, and backstay applications on boats up to 9m (30ft).
• Excellent for control line applications on larger yachts.