Product Details
Series 50 Ball Bearing Block - Single Loop Top
Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.
Features:
- Low friction, 2-stage ball bearing system
- High static and dynamic load capacity
- Lightweight
- Cheek cut-outs for easy bearing maintenance
Specifications:
- Max. Rope diameter (in): 1/2"
- M.W.L. (lb): 1100lbs
- Sheave diameter (in): 2"
- B.L. (lb): 3310lbs
- Weight (oz): 3.4oz
Materials:
- Acetal ball bearings
- UV-stabilized acetal sheave
- Grade 316 stainless steel load strap and head fitting
- Impact and UV-resistant, fiber-reinforced nylon cheeks

![Lewmar 60mm HTX Block - Single [29196001] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/94311XL_{width}x.jpg?v=1677108060)
![Schaefer Clamp-On Furling Line Stanchion Lead Block - 1" Ball Bearing [300-34] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/74705XL_{width}x.jpg?v=1677098762)
![Ronstan Series 50 All Purpose Block - Single - Universal Head [RF51100] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/55253XL_{width}x.jpg?v=1677092525)
![Ronstan Series 40 All Purpose Block - Single - Stand Up [RF41140] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/55205XL_{width}x.jpg?v=1677092494)
![Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Swivel Shackle Head [RF35100] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/55173XL_{width}x.jpg?v=1677092478)
![Ronstan Series 20 Ball Bearing Orbit Block - Single - Dyneema Lashing - Becket Option [RF25109] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/55155XL_{width}x.jpg?v=1677092467)
![Lewmar 72mm Synchro Block - Single [29927201BK] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/94303XL_{width}x.jpg?v=1677108057)
