Description
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)
Explore more from our collection.
![Ronstan Series 20 Ball Bearing Block - Single [Rf20100] 1](https://autopartsflow.shop/wp-content/uploads/2026/06/55131XL-fm2rtX.tmp_.webp)
![Ronstan Nylatron Sheave Box - Single Upright Lead Block [Rf453] 1](https://autopartsflow.shop/wp-content/uploads/2026/06/55219XL-GuQa8B.tmp_.webp)
![Ronstan Series 75 Core Block - Single [Rf74100] 1](https://autopartsflow.shop/wp-content/uploads/2026/06/55264XL-c2DuND.tmp_.webp)
![Ronstan Series 40 Ratchet Orbit Block - Single - Auto - Swivel Shackle Head [Rf46100] 1](https://autopartsflow.shop/wp-content/uploads/2026/06/55220XL-4MTlAY.tmp_.webp)
Reviews
There are no reviews yet.