RONSTAN
Series 40 Ball Bearing Block- Triple- Swivel Head
Mfr # RF40300. Series 40 Ball Bearing Block - Triple - Swivel Head. Features: Low friction Acetal or Torlon bearing system. Lightweight. Cheek cut-outs for easy bearing maintenance. Features a swivel shackle head for full 360degrees rotation 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) 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.
