Ronstan Series 40 Ball Bearing Block - Single - Universal Head

Series 40 Ball Bearing Block - Single - Universal Head

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.

Features:

• 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

• Mainsheet
  
  


• Halyard
  
  


• Vang
  
  


• Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8M(26')

• U.V. Stabilized Acetal sheaves
  
  


• Acetal ball bearings
  
  


• Impact and U.V. resistant, fiber reinforced Nylon cheeks
  
  


• Grade 316 stainless steel load strap and head fitting