Series 40 Ball Bearing Block - Double - Becket - Swivel Head
- Low friction Acetal or Torlon® bearing system
- 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.Features a swivel shackle head for full 360° rotation.
- Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)
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