![Ronstan Series 20 Ball Bearing Block - Single - Loop Top [RF20101]](http://www.shopmarshlainesy.com/cdn/shop/products/55132XL_{width}x.jpg?v=1575995929)
![Ronstan Series 20 Ball Bearing Block - Single - Loop Top [RF20101]](http://www.shopmarshlainesy.com/cdn/shop/products/55132XL_580x.jpg?v=1575995929)
Ronstan Series 20 Ball Bearing Block - Single - Loop Top [RF20101]
Series 20 Ball Bearing Block - Single - 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
- Can be fitted with a shackle in either of two planes to allow correct alignment of the block
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:t20mm(3/4")
Max. Rope Ø:t6mm(1/4")
M.W.L.:t250kg(550lbs)
B. L.:t550kg(1,210lbs)
Weight:t16g(0.6oz)
Brochure (pdf)