Ronstan Series 20 Ball Bearing Block - Single Cheek Rivet Mount, 3/4" Diameter Rope

• Low friction
  
• High static and dynamic load capacity
  
• Lightweight
  
• Suitable for screw or pop rivet mounting
  
• Precision molded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance : 20mm(3/4")
  Max. Rope : 6mm(1/4")
  M.W.L.: 200kg(440lbs)
  B. L.: 550kg(1,210lbs)
  Weight: 17g(0.6oz)

The Ronstan Series 20 Ball Bearing Block, part number RF20151A, offers reliable performance with a lightweight design and high load capacity, making it ideal for various sailing and rigging applications. Constructed with precision molded Acetal sheaves running on stainless steel or Torlon ball bearings, this block ensures low friction and smooth operation even under heavy loads. Its compact size and robust construction provide a practical solution for users seeking durability and efficiency in a small form factor. The 20mm (3/4") diameter sheave accommodates ropes up to 1/4" (6mm), making it versatile for different rigging setups. The block's maximum working load limit is 440 pounds, with a breaking load of 1,210 pounds, ensuring reliable performance during demanding operation. Easy to mount via screw or pop rivet, the cheek rivet mounting system allows for flexible installation options. The lightweight design, weighing only 0.6 ounces, minimizes added weight on the rigging system while maintaining strength and stability. Ideal for sailors and riggers who need a durable, low-friction pulley solution that combines high performance with ease of installation, the Ronstan Series 20 Ball Bearing Block enhances your rigging setup with dependable quality and thoughtful engineering. Whether used on sailboats, cranes, or other mechanical systems, this block delivers consistent, smooth operation in a compact, lightweight package.

Features:

• Low friction design with precision molded Acetal sheaves

• High static and dynamic load capacity for demanding applications

• Lightweight construction for minimal added weight

• Suitable for screw or pop rivet mounting for flexible installation

• Ball bearings made of stainless steel or Torlon for high performance

• Max. Rope size: 1/4" (6mm)

• Maximum working load limit: 440 lbs

• Breaking load: 1,210 lbs