![Ronstan Series 20 Ball Bearing Block - Single [RF20100]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/1280x1280/products/17563/21899/55131XL__28346.1638826580.jpg?c=1 "Ronstan Series 20 Ball Bearing Block - Single [RF20100]")
![Ronstan Series 20 Ball Bearing Block - Single [RF20100]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/17563/21899/55131XL__28346.1638826580.jpg?c=1 "Ronstan Series 20 Ball Bearing Block - Single [RF20100]")
Series 20 Ball Bearing Block - Single
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
- 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")
Pin Ø: 3mm(1/8")
M.W.L.: 250kg(550lbs)
B. L.: 550kg(1,210lbs)
Weight: 20g(0.7oz)
![Ronstan Wide Dee Shackle - 1\/8" Pin - 15\/32"L x 11\/32"W [RF1850S]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/27396/35425/55118XL__37861.1646182282.jpg?c=1 "Ronstan Wide Dee Shackle - 1\/8\" Pin - 15\/32\"L x 11\/32\"W [RF1850S]")