![Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141]](https://cdn11.bigcommerce.com/s-wi4a56jz2t/images/stencil/1280x1280/products/164659/660268/70783XL__42545.1678228877.jpg?c=1 "Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141]")
![Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141]](https://cdn11.bigcommerce.com/s-wi4a56jz2t/images/stencil/100x100/products/164659/660268/70783XL__42545.1678228877.jpg?c=1 "Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141]")
Product Description
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
Product Videos
Custom Field
MPN RF20141
![Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141]](https://cdn11.bigcommerce.com/s-wi4a56jz2t/images/stencil/500x659/products/164659/660268/70783XL__42545.1678228877.jpg?c=1 "Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141]")
![Ronstan Series 30 Ball Bearing Block - Single - Loop Top [RF30101]](https://cdn11.bigcommerce.com/s-wi4a56jz2t/images/stencil/500x659/products/167140/664289/55171XL__88784.1694457387.jpg?c=1 "Ronstan Series 30 Ball Bearing Block - Single - Loop Top [RF30101]")
![Ronstan Series 50 Ball Bearing Block - Single Loop Top [RF50101]](https://cdn11.bigcommerce.com/s-wi4a56jz2t/images/stencil/500x659/products/168530/666490/105700XL__24395.1726006588.jpg?c=1 "Ronstan Series 50 Ball Bearing Block - Single Loop Top [RF50101]")
![Ronstan Series 20 Ball Bearing Block - Single [RF20100]](https://cdn11.bigcommerce.com/s-wi4a56jz2t/images/stencil/500x659/products/164080/659676/55131XL__15437.1678221301.jpg?c=1 "Ronstan Series 20 Ball Bearing Block - Single [RF20100]")
![Ronstan Series 15 Ball Bearing Utility Block - Single Block, Loop Head [RF15101]](https://cdn11.bigcommerce.com/s-wi4a56jz2t/images/stencil/500x659/products/164668/660277/71020XL__22774.1678228932.jpg?c=1 "Ronstan Series 15 Ball Bearing Utility Block - Single Block, Loop Head [RF15101]")
![Ronstan Series 30 Block - Single - Loop Top [RF280]](https://cdn11.bigcommerce.com/s-wi4a56jz2t/images/stencil/500x659/products/164104/659700/55161XL__80729.1678221375.jpg?c=1 "Ronstan Series 30 Block - Single - Loop Top [RF280]")
![Ronstan Series 30 Ball Bearing Orbit Block - Stand Up Swivel [RF35140]](https://cdn11.bigcommerce.com/s-wi4a56jz2t/images/stencil/500x659/products/164117/659713/55175XL__20190.1678221420.jpg?c=1 "Ronstan Series 30 Ball Bearing Orbit Block - Stand Up Swivel [RF35140]")
![Ronstan Series 20 Ball Bearing Block - Single - Cheek Rivet Mount [RF20151A]](https://cdn11.bigcommerce.com/s-wi4a56jz2t/images/stencil/500x659/products/164084/659680/55136XL__24012.1678221313.jpg?c=1 "Ronstan Series 20 Ball Bearing Block - Single - Cheek Rivet Mount [RF20151A]")
![Ronstan Series 40 Orbit Single BB Single Stand-Up Block [RF48140]](https://cdn11.bigcommerce.com/s-wi4a56jz2t/images/stencil/500x659/products/165889/661875/97310XL__98907.1678295209.jpg?c=1 "Ronstan Series 40 Orbit Single BB Single Stand-Up Block [RF48140]")