Description
Series 30 Utility Ball Bearing Block – Single, Swivel Shackle Head
Features:
- Low friction 2-stage ball bearing system provides consistent performance over the full working load range.
- High static and dynamic load capacity.
- Light weight
- Versatile head fittings
Product Information:
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.Can be fitted with a shackle in either of two planes to allow correct alignment of the block.
Applications:
- Primary lead blocks on dinghies and catamarans
- Control lines on larger yachts
Materials:
- U.V. stabilized Acetal sheaves
- Acetal ball bearings
- Impact modified, fiber reinforced and U.V. stabilized Nylon cheeks
- Grade 316 stainless steel load straps and head fittings

![Barton Marine Size 0 20mm Plain Bearing Pulley Block Double Fixed Eye [N00210]](https://www.apartship.com/wp-content/uploads/2025/4/1745803739/barton-marine-size-0-20mm-plain-bearing-pulley-block-double-fixed-eye-n00210-1745803743.webp)
![Barton Marine Size 0 20mm Plain Bearing Pulley Block Single Swivel [N00130]](https://www.apartship.com/wp-content/uploads/2025/4/1745803739/barton-marine-size-0-20mm-plain-bearing-pulley-block-single-swivel-n00130-1745803743.webp)
![Ronstan Series 40 Ball Bearing Block – Double – Swivel Head [RF40200]](https://www.apartship.com/wp-content/uploads/2025/4/1745803850/ronstan-series-40-ball-bearing-block-double-swivel-head-rf40200-1745803854.webp)
![Ronstan Series 50 All Purpose Block – Triple [RF51300]](https://www.apartship.com/wp-content/uploads/2025/4/1745803850/ronstan-series-50-all-purpose-block-triple-rf51300-1745803854.webp)