Ronstan Series 30 Ball Bearing Single Block with Swivel Shackle - RF30100

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.

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

Specifications:

• Type of Block: Single
• Breaking Load: 1653.5 lbs (750 kg)
• Maximum Working Load: 661.4 lbs (300 kg)
• Maximum Rope Diameter: 0.31" (8 mm)
• Weight: 1.2 oz (34 g)
• Pin Diameter: 0.16" (4 mm)
• 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