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Brand: Ronstan

Ronstan Series 40 Orbit Single Ball Bearing Block with Cleat and Swivel, RF48120

Ronstan Series 40 Orbit Single Ball Bearing Block with Cleat and Swivel, RF48120

Regular price $145.61
Regular price Sale price $145.61
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The Ronstan Series 40 Orbit Single Block features a ball-bearing system with a built-in cleat and swivel for high-performance control. This block is constructed with lightweight, glass fiber reinforced nylon cheeks and includes a carbon-reinforced C-Cleat for secure line holding. Its 2-stage bearing system minimizes friction across the full working load range for efficient trimming.

Key Features:

  • Class-leading dynamic and static load ratings
  • Stainless steel cleat arms adjustable for preferred cleating angle
  • Includes fairleads for multi-angle operation
  • Low-profile and compact design

Specifications:

  • Sheave diameter: 1-9/16 in.
  • Maximum rope diameter: 3/8 in.
  • Pin diameter: 5/32 in.
  • Maximum working load: 880 lb.
  • Breaking load: 1760 lb.
  • Weight: 6.2 oz.
  • Part number: RF48120

Applications:

  • Mainsheet and spinnaker systems on dinghies, catamarans, and sportsboats up to 26 ft.
  • Halyard, vang, and backstay use on boats up to 30 ft.
  • Control line applications for larger yachts

Product facts

CT SKU
CT-112184
Model / MPN
RF48120
UPC / GTIN
9316800624751
Package dimensions
2" X 5" X 5"
Package weight
0.25 lb

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