Ball Bearing RF40171
Series 40 Ball Bearing Upright Lead Block
Single upright
Specifications
| Max. Rope diameter (in) | 3/8 |
|---|---|
| M.W.L. (lb) | 770 |
| Sheave diameter (in) | 1 9/16 |
| B.L. (lb) | 2200 |
| Weight (oz) | 2.1 |
| Fastener Ø (in) | 3/16 |
$60.68
Ball Bearing 
Product Information
Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.
Precision moulded Acetal 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.
Technical Information
Applications
Typically used for halyards at the mast base.
Materials
Acetal ball bearings. UV stabilised Acetal sheave. Grade 316 stainless steel load housing
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