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Ronstan Series 40mm Ball Bearing Blocks Single, Universal Head

Ronstan RF40100 Series 40mm Ball Bearing Blocks Single, Universal Head | Blackburn Marine Ronstan Hardware
RON RF40100


Ronstan Ball Bearing Blocks
Series 40mm Single, Universal Head

  • Low friction Acetal or Torlon® bearing system 
  • Lightweight 
  • Cheek cut-outs for easy bearing maintenance 
  • Captive Lock™ universal head 
  • Slotted pin shackle eliminates fouled lines 
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. Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required 

  • Mainsheet 
  • Halyard 
  • Vang 
  • Spinnaker control lines on off-the-beach catamarans, one design classes and sports boats up to 8m (26ft) 
  • Acetal ball bearings 
  • UV stabilised Acetal sheave 
  • Grade 316 stainless steel load strap and head fitting 
  • Impact and UV resistant, fibre reinforced Nylon cheeks
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