Ronstan Series 20 Ball Bearing Block - Single - Cheek Rivet Mount

The Series 20 Ball Bearing Block - Single - Cheek Rivet Mount is engineered for marine enthusiasts seeking high-performance and reliable hardware for their boating needs. Whether you're upgrading your dinghy controls or enhancing your boat's vang system, this ball bearing block delivers exceptional durability and smooth operation in demanding marine environments.

Features

• Low Friction: Ensures smooth movement and reduces wear, enhancing overall performance.
• High Load Capacity: Capable of handling both high static and dynamic loads, making it ideal for various marine applications.
• Lightweight Design: Minimizes additional weight on your vessel without compromising strength.
• Versatile Mounting: Suitable for both screw and pop rivet installations, providing flexibility during setup.
• Precision Engineering: Molded Acetal sheaves paired with stainless steel or Torlon® ball bearings deliver high performance and reliability.

Applications

• Dinghy Control Lines
• Dinghy Vangs
• Cunningham Systems
• Traveller Controls
• Winch and Sheet Systems
• Deck Hardware Upgrades

Materials

• U.V. Stabilized Acetal Sheaves: Resistant to UV rays and marine conditions, ensuring longevity.
• Stainless Steel Ball Bearings: Corrosion-resistant for reliable performance in saltwater environments.
• Grade 316 Stainless Steel Load Strap and Head Fitting: Offers superior strength and resistance to corrosion.
• Impact and UV Resistant, Fiber Reinforced Nylon Cheeks: Provides durability and maintains structural integrity under stress.

Specifications

Sheave Diameter:	20mm (3/4")
Maximum Rope Diameter:	6mm (1/4")
Mean Wet Load (M.W.L.):	200kg (440lbs)
Bending Load (B.L.):	550kg (1,210lbs)
Weight:	17g (0.6oz)

Why Choose Series 20 Ball Bearing Blocks?

Designed specifically for the marine environment, the Series 20 Ball Bearing Block offers unmatched performance and reliability. Its robust construction ensures it withstands the harsh conditions at sea, while the low friction design provides effortless control over sails and lines. Upgrade your boat with confidence, knowing you have top-tier hardware that enhances both functionality and safety.

Installation Tips

Installing the Series 20 Ball Bearing Block is straightforward, thanks to its compatible mounting options. Whether you prefer screw mounts for a secure fit or pop rivet mounts for quick installation, this block adapts to your needs. Ensure proper alignment with your control lines for optimal performance and longevity.

Customer Reviews

Our customers praise the Series 20 Ball Bearing Block for its durability and smooth operation. Perfect for both amateur sailors and seasoned mariners, this block is a trusted choice for improving vessel performance.

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.