Ronstan Series 30 Utility Ball Bearing Block - Single, Swivel Shackle Head – Marine Boat Replacement Part is organized for lighting & visibility shoppers who need a clear, professional marine parts buying experience.

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 bal

Fitment & Product Details

• Brand / Manufacturer: Ronstan
• Material: stainless steel, nylon

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