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Handcrafted Ronstan Series 50 Ball Bearing Block, Single - Rf50100 Bonkers Deal: 50% Off [6mekGUlY]

$18.99 $60.99 -69%

Ronstan Series 50mm Ball Bearing BlockIntroducing the Ronstan Series 50mm Ball Bearing Block, a premium-grade component designed for superior performance and durability. This innovative block features a 2-stage ball bearing system, ensuring low frict

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Handcrafted Ronstan Series 50 Ball Bearing Block, Single - Rf50100 Bonkers Deal: 50% Off [6mekGUlY]

Ronstan Series 50mm Ball Bearing Block

Introducing the Ronstan Series 50mm Ball Bearing Block, a premium-grade component designed for superior performance and durability. This innovative block features a 2-stage ball bearing system, ensuring low friction and consistent performance across the full load range. With its high static and dynamic load capacity, this block is built to withstand the demands of heavy-duty applications.

Key Features and Specifications

Experience the excellence of the Ronstan Series 50mm Ball Bearing Block with its array of impressive features. The sheaves run on Acetal or Torlon® ball bearings, offering unparalleled performance and minimal friction. This lightweight block is designed with cheek cut-outs for easy bearing maintenance, ensuring long-lasting reliability. The Captive Lock® universal head provides versatility, allowing for fixation in two planes or free swiveling as required. Here are some of the key features:

  • Low friction, 2-stage ball bearing system
  • High static and dynamic load capacity
  • Captive Lock¬Æ universal head for flexibility
  • Slotted pin shackle for eliminating fouled lines

Applications and Benefits

The Ronstan Series 50mm Ball Bearing Block is an essential component for a variety of marine applications. Ideal for mainsheet, spinnaker sheets, and halyards, this block is perfect for boats up to 10m (33ft) in length. Its lightweight design and high performance make it a top choice for both recreational and professional sailors. By investing in this block, you can enjoy the following benefits:

  • Enhanced sailing performance with reduced friction
  • Increased efficiency and control on the water
  • Long-lasting durability and reliability

What Our Customers Say

January 18, 2026

Absolutely no complaints!

A great item that is very useful.

- Efnisien J..

January 18, 2026

Absolutely no complaints!

This is a very well-made, quality tool.

- Verona W..

January 18, 2026

Absolutely no complaints!

It's a high-quality, very useful tool.

- Gulliver K..

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