Ronstan Series 30 Triple Ball Bearing Orbit Block - Lightweight Marine Hardware

Series 30 Ball Bearing Orbit Block - Triple

Ball Bearing Orbit Blocks boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options.
Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fiber-reinforced composites in the block head, cleat arms and beckets.

Features:

• Lightweight
  
• Highest working load in its class
  
• Secure, versatile and secure attachement
  
• Low profile and compact

Applications:

• Mainsheet systems and spinnaker sheets on dinghies to 5M(16')
  
• Halyard, vang and backstay applications on boats to 5M(16')
  
• Control line applications on larger yachts

Materials:

• Sheave: High compression strength carbon black Acetal
  
• Ball Bearings: High compression strength Acetal
  
• Frame/Cheeks: Toughened, glass fiber reinforced Nylon
  
• Link: UV stabilized, multi-strand impregnated SK75 Dyneema

Specifications:
Sheave : 30mm(1-3/16")
Max. Rope : 8mm(5/16")
M.W.L.: 550kg(1,210lbs)
B. L.: 1,100kg(2,430lbs)
Weight: 73g(2.6oz)

The Ronstan Series 30 Triple Ball Bearing Orbit Block is engineered for high-performance sailing applications, offering an exceptional balance of strength and lightweight design. Crafted from advanced composite reinforced polymers, this orbit block features precision-engineered ball bearings to minimize friction and enhance efficiency. Its all-composite construction ensures durability and a high strength-to-weight ratio, making it ideal for a variety of marine control systems. Whether used for mainsheets, spinnaker sheets, halyards, vangs, or backstays on boats up to 16 feet, this versatile block delivers reliable performance in demanding environments. The compact, low-profile design allows for easy integration into existing rigging setups, while multiple attachment points provide secure and versatile mounting options. The high compression strength Acetal sheave and ball bearings withstand harsh marine conditions, maintaining smooth operation over time. Constructed with toughened, glass fiber-reinforced nylon frames and UV-stabilized Dyneema link, the Ronstan Series 30 Orbit Block combines strength, durability, and lightweight convenience for sailors seeking top-tier performance. Its maximum working load capacity of 1,210 pounds and breaking load of 2,430 pounds ensure safety and reliability during intense sailing maneuvers. Weighing only 2.6 ounces, this orbit block is designed for ease of handling without sacrificing strength. Suitable for control line applications on larger yachts and vital rigging components, the Ronstan Series 30 Triple Ball Bearing Orbit Block is a trusted choice for serious sailors who demand high performance with minimal weight. Its innovative materials and engineering make it a standout in the category of lightweight marine blocks, providing long-lasting service in a compact form factor.

Features:

• Lightweight construction enhances ease of handling and installation

• Highest working load capacity in its class ensures reliable performance under stress

• Secure and versatile attachment options facilitate easy rigging setup

• Low profile and compact design allow for seamless integration into various sailboat configurations