2022 Ronstan Marine Catalogue - VIEW CATALOGUE


Series 50



  • Low friction, 2-stage ball bearing system
  • High static and dynamic load capacity
  • Lightweight
  • Cheek cut-outs for easy bearing maintenance
  • Slotted pin shackle eliminates fouled lines
Contact us for stock availability.

$ 134.63

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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.Swivel shackle head for full 360 degree rotation (non-locking).
Sheave 2 in.
Max. Rope 1/2 in.
Max. Cable - in
Pin 1/4 in.
M.W.L.1760 lb.
B. L.4410 lb.
Weight9.0 oz.
  • Mainsheet
  • Spinnaker sheets
  • Halyards and other primary applications on boats up to 10m (33ft)
  • Acetal ball bearings
  • UV stabilised Acetal sheave
  • Grade 316 stainless steel load strap and head fitting
  • Impact and UV resistant, fibre reinforced Nylon cheeks