Ronstan 50mm Single Block

Ronstan 50mm Single Block
2 available for immediate delivery

Product Details


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Ronstan Series 50 Ball Bearing Block, Single Becket

Product Information

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. Becket pin is removable so line can be spliced prior to fitting and is ingeniously locked into position without the use of a clevis pin, split ring or tools



  • Mainsheet
  • Spinnaker sheets
  • Halyards and other primary applications on boast up to 10m (33ft)



  • Acetal ball bearings
  • UV stabilized Acetal sheave
  • Grade 316 stainless steel load strap and head fitting
  • Impact and UV resistant, fiber reinforced Nylon cheeks