Ronstan Series 40 Ball Bearing Block - Single - Universal Head

The Series 40 Ball Bearing Block - Single - Universal Head is meticulously designed for optimal performance in marine and boating applications. Engineered to handle demanding tasks with ease, this ball bearing block ensures smooth operation, reduced friction, and enhanced reliability, making it an indispensable component for sailors and boating enthusiasts seeking top-tier hardware.

Key Features

• High-performance Acetal or Torlon® low friction bearing system
• Lightweight construction for effortless installation and handling
• Cheek cut-outs for easy and convenient bearing maintenance
• Versatile Captive Lock™ universal head that can be fixed in two planes or allowed to swivel freely
• Slotted pin shackle design to prevent fouled lines and ensure smooth sailing

Applications

• Mainsheet systems for precise sail control
• Halyard lines to manage sail hoisting and lowering
• Vang setups for effective sail tensioning
• Spinnaker control lines on off-the-beach catamarans, one-design classes, and sportsboats up to 8 meters (26 feet)

Materials and Construction

• UV-stabilized Acetal sheaves for enduring performance in harsh marine environments
• Acetal ball bearings that ensure smooth and consistent movement
• Impact and UV-resistant, fiber-reinforced Nylon cheeks for enhanced durability and strength
• Grade 316 stainless steel load strap and head fitting, providing superior corrosion resistance

Specifications

Parameter	Details
Sheave Diameter	40mm (1-9/16")
Maximum Rope Diameter	10mm (7/16")
Pin Diameter	5mm (3/16")
Minimum Working Load (M.W.L.)	350kg (770lbs)
Breaking Load (B.L.)	1,000kg (2,200lbs)
Weight	70g (2.5oz)

Why Choose the Series 40 Ball Bearing Block?

When it comes to marine hardware, reliability and performance are paramount. The Series 40 Ball Bearing Block stands out with its robust construction, high-quality materials, and thoughtful design features that cater specifically to the needs of boaters. Whether you're adjusting sails, managing lines, or handling heavy loads, this ball bearing block delivers unmatched efficiency and durability.

Installation and Maintenance

Installing the Series 40 Ball Bearing Block is straightforward, thanks to its lightweight design and user-friendly features. The cheek cut-outs provide easy access for maintenance, ensuring that your bearing system remains in top condition with minimal effort. Regular maintenance will extend the lifespan of the block and maintain optimal performance on all your marine adventures.

Customer Reviews

Our customers consistently praise the Series 40 Ball Bearing Block for its exceptional performance and durability. Whether you're a seasoned sailor or a recreational boater, this ball bearing block is a trusted choice that delivers on its promises.

Order Your Series 40 Ball Bearing Block Today

Enhance your boat's performance with the Series 40 Ball Bearing Block - Single - Universal Head. Order now and experience the difference in quality and reliability that sets our products apart in the marine industry.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.