Series 40 Ball Bearing Block- Single- Loop Top

Series 40 Ball Bearing Block - Single - Loop Top. Features: Low friction Acetal or Torlon bearing system. Lightweight. Cheek cut-outs for easy bearing maintenance. Low friction, 2-stage ball bearing system. High static and dynamic load capacity. Lightweight. Cheek cut-outs for easy bearing maintenance 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.. Applications: Mainsheet. Halyard. Vang. Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft). Mainsheet. Halyard. Vang. Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft) Materials: Acetal ball bearings. UV stabilised Acetal sheave. Grade 316 stainless steel load strap and head fitting. Impact and UV resistant, fiber reinforced Nylon cheeks.