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Ronstan  |  SKU: IM-55171

Ronstan Series 30 Ball Bearing Block - Single - Loop Top [RF30101]

Sale price $22.02 Regular price $25.91


Professional Insight

This product is offered through Inlet Marine Supply as part of our marine electrical catalog. Always verify compatibility with your vessel’s electrical system prior to purchase.

Professional installation is recommended to ensure safety, proper integration, and long-term reliability.

Need help installing this product?

Our service division, Inlet Marine Electric, provides professional marine electrical installation, upgrades, and troubleshooting in South Florida.

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Description

Series 30 Ball Bearing Block - Single - Loop Top

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
  • 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


Specifications:
Sheave Ø: 30mm(1-3/16")
Max. Rope Ø: 8mm(5/16")
M.W.L.: 300kg(660lbs)
B. L.: 750kg(1,650lbs)
Weight: 28g(1.0oz)

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