![Ronstan Series 50 Ball Bearing Block - Single Loop Top [RF50101]](http://boatersemporium.com/cdn/shop/files/105700XL_1c0c25af-82b0-4a06-a476-f9acadeddf97.jpg?v=1742477440&width=1000)
![Ronstan Series 50 Ball Bearing Block - Single Loop Top [RF50101]](http://boatersemporium.com/cdn/shop/files/105700XL.jpg?v=1726001648&width=1000)
![Ronstan Series 50 Ball Bearing Block - Single Loop Top [RF50101]](http://boatersemporium.com/cdn/shop/files/105700XL_1c0c25af-82b0-4a06-a476-f9acadeddf97_1024x.jpg?v=1742477440)
![Ronstan Series 50 Ball Bearing Block - Single Loop Top [RF50101]](http://boatersemporium.com/cdn/shop/files/105700XL_1024x.jpg?v=1726001648)
Description
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
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