![Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141]](http://boatpartsdepot.com/cdn/shop/files/Untitled_design_-_2024-08-27T112243.892.png?v=1724739877&width=3840)
![Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141]](http://boatpartsdepot.com/cdn/shop/files/Untitled_design_-_2024-09-04T143540.404.png?v=1725442585&width=3840)
![Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141]](http://boatpartsdepot.com/cdn/shop/files/Untitled_design_-_2024-08-27T113233.566.png?v=1724740371&width=3840)
![Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141]](http://boatpartsdepot.com/cdn/shop/files/Untitled_design_-_2024-08-26T154205.614.png?v=1724668955&width=3840)
Built for the Water
Lighting the Way Below – Enhancing Every Dive
Underwater Glow, Unmatched Visibility
![Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141]](http://boatpartsdepot.com/cdn/shop/files/70783XL_180x.jpg?v=1723183679)
Series 20 Ball Bearing Block- Single, Stand-Up Loop TopFeatures: 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...
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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
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