![Ronstan Series 20 Ball Bearing Block - Single - Cheek Rivet Mount [RF20151A]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/600x600/products/21119/35363/55136XL__96071.1697158804.jpg?c=1 "Ronstan Series 20 Ball Bearing Block - Single - Cheek Rivet Mount [RF20151A]")
![Ronstan Series 20 Ball Bearing Block - Single - Cheek Rivet Mount [RF20151A]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/1280x1280/products/21119/35363/55136XL__96071.1697158804.jpg?c=1 "Ronstan Series 20 Ball Bearing Block - Single - Cheek Rivet Mount [RF20151A]")
Product Overview
Series 20 Ball Bearing Block - Single - Cheek Rivet Mount
Features:
- 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 & low friction
Applications:
- Dinghy control lines
- Dinghy Vangs
- Cunninghams
- Traveller controls
Materials:
- U.V. Stabilized Acetal sheaves
- Stainless steel ball bearings
- Grade 316 stainless steel load strap and head fitting
- Impact and UV resistant, fiber reinforced Nylon cheeks
Specifications:
Sheave Ø: 20mm(3/4")
Max. Rope Ø: 6mm(1/4")
M.W.L.: 200kg(440lbs)
B. L.: 550kg(1,210lbs)
Weight: 17g(0.6oz)
![Ronstan Series 20 Ball Bearing Block - Single [RF20100]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/500x659/products/21115/35359/55131XL__00453.1697158794.jpg?c=1 "Ronstan Series 20 Ball Bearing Block - Single [RF20100]")
![Ronstan Series 40 Ball Bearing Orbit Block - Cheek [RF45151]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/500x659/products/25974/40952/70626XL__62225.1697171301.jpg?c=1 "Ronstan Series 40 Ball Bearing Orbit Block - Cheek [RF45151]")
![Ronstan Series 30 Ball Bearing Orbit Block - Cheek [RF35151]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/500x659/products/21154/35398/55176XL__23251.1697158894.jpg?c=1 "Ronstan Series 30 Ball Bearing Orbit Block - Cheek [RF35151]")
![Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/500x659/products/26032/41017/70783XL__44599.1697171449.jpg?c=1 "Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141]")
