Ronstan Series 30 Single Ball Bearing Block with Swivel Shackle

Elevate your vessel's performance with the Ronstan Series 30 Single Ball Bearing Block. Engineered for superior efficiency and durability, this utility block is designed to handle demanding marine conditions with ease. Its advanced low-friction system ensures consistent, smooth operation, making it an essential component for competitive dinghies, catamarans, and control lines on larger yachts. Upgrade your rigging today for enhanced control and reliability.

Key Benefits & Specifications:

• Two-Stage Ball Bearing System: Provides exceptionally low friction for consistent, high-performance operation across the full working load range.
• High Load Capacity: Boasts a maximum working load of 661.4 lbs (300 kg) and a breaking load of 1653.5 lbs (750 kg), ensuring robust handling for critical applications.
• Lightweight Design: Weighing only 1.2 oz (34 g), it minimizes added mass without compromising strength.
• Corrosion-Resistant Construction: Features Grade 316 stainless steel load straps and head fittings, along with UV-stabilized Acetal sheaves and fiber-reinforced Nylon cheeks, for maximum longevity in harsh marine environments.
• Versatile Head Fittings: Allows for flexible attachment and alignment in various rigging configurations.
• Max Rope Diameter: Accommodates ropes up to 0.31 inches (8 mm).

Applications:

• Primary lead blocks on dinghies and catamarans.
• Control lines on larger yachts.