RONSTAN SERIES 40 BALL BEARING BLOCK- TRIPLE- SWIVEL HEADSeries 40 Ball Bearing Block - Triple -
Swivel HeadFeatures: Low friction Acetal or Torlon bearing systemLightweightCheek cut-outs for easy bearing maintenanceFeatures a swivel shackle head for full 360 rotationSheaves 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.
Applications: MainsheetHalyardVangSpinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)
Materials: Acetal ball bearingsUV stabilised Acetal sheaveGrade 316 stainless steel load strap and head fittingImpact and UV resistant, fiber reinforced Nylon cheeks