Series 20 Ball Bearing Block- Single, Stand-Up Loop Top
Features:
- Low friction
- High static and dynamic load capacity
- Lightweight
Precision molded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance & low friction.
Applications:
- Dinghy control lines
- Dinghy vangs
- Cunninghams
- Traveler controls
Materials:
- Stainless steel ball bearings
- UV stabilized Acetal sheave
- Grade 316 stainless steel load strap and head fitting
- Impact and UV resistant, fiber reinforced Nylon cheeks

![Ronstan Series 20 Ball Bearing Block- Single Stand-Up Loop Top [RF20141]](https://www.wildwaterangler.com/wp-content/uploads/2026/10/ronstan-series-20-ball-bearing-block-single-stand-up-loop-top-rf20141.webp)







