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

SKU:
RF30141

Expected release date is May 12th 2023

$25.99

Description

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

 

 

Reference Imperial Metric
Sheave Ø 1-3/16 in. 30 mm
Max. Rope Ø 5/16 in. 8 mm
Pin Ø 5/32 in. 4 mm
M.W.L. 660 lb. 300 kg
B. L. 1650 lb. 750 kg
Weight 1.0 oz. 28 g
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