Ronstan Series 20 Single Ball Bearing Block with Loop Top

This high-performance ball bearing block features a stand-up loop top design, perfect for maximizing control and efficiency in your sailing applications.

Performance Highlights:

• Exceptional low friction for smooth operation
• Superior static and dynamic load handling
• Ultra-lightweight construction for easy handling

Crafted using precision-molded Acetal sheaves combined with stainless steel or Torlon® ball bearings, this block ensures low friction and high performance under a variety of conditions.

Ideal Applications:

• Dinghy control lines
• Dinghy vangs
• Cunninghams
• Traveler controls

Durable Materials:

• Stainless steel ball bearings for longevity
• UV stabilized Acetal sheave for enhanced durability
• Grade 316 stainless steel load strap and head fitting
• Impact and UV resistant, fiber reinforced Nylon cheeks for robustness

• Low friction operation
• High static and dynamic load capacity
• Lightweight design
• Precision molded Acetal sheaves
• Durable stainless steel or Torlon® ball bearings