Ronstan Ball Bearing, Series 50 – Double, Universal Head

Sheaves running on Acetal or Torlonball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.Head can be locked at 0 or 90 by engaging the grub screw in either the 0 or 90 degree position.Features:Low friction, 2-stage ball bearing systemHigh static and dynamic load capacityLightweightCheek cut-outs for easy bearing maintenanceSlotted pin shackle eliminates fouled linesApplications:MainsheetSpinnaker sheetsHalyards and other primary applications on boats up to 10m (33ft)Materials:Acetal ball bearingsUV stabilised Acetal sheaveGrade 316 stainless steel load strap and head fittingImpact and UV resistant, fibre reinforced Nylon cheeksPart NumberSheave Max. Rope Max. Cable Pin M.W.L.B. L.WeightRON-RF5020050mm12mm-6mm800kg2000kg254g