5/16" (8mm) Ronstan Single, Stand Up, Ball Bearing Block

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

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.

Used for:

• Primary lead blocks on dinghies and catamarans
• Control lines on larger yachts

Materials

• U.V. stabilised Acetal sheaves
• Acetal ball bearings
• Impact modified, fibre reinforced and U.V. stabilised Nylon cheeks
• Grade 316 stainless steel load straps and head fittings
• Acetal ball bearings
• UV stabilised Acetal sheave
• Grade 316 stainless steel load strap and head fitting
• Impact and UV resistant, fibre reinforced Nylon cheeks