Skip to content Skip to navigation menu

RONSTANSeries 70 Orbit Block Accessories

RONSTAN

Series 70 Orbit Block Accessories

Series 70 BB Ball Bearing & RT Ratchet Orbit Blocks

With all the same high-strength, lightweight features as the rest of the Orbit Blocks range, but designed to handle lines up to 1/2" diameter. Ideal for sheet applications on keelboats up to 30' and control lines on larger boats.

  • Sheave: Carbon reinforced, PTFE impregnated engineered nylon
  • Ball Bearings: Series 70 BB Ball Bearing & RT Ratchet Orbit Blocks
  • Sheave Size: 2-3/4" (70mm)
  • Line Dia.: 1/2" (12mm)
  • Cheek Material/Finish: Glass-reinforced nylon
  • Shackle Strap/Type: UV stabilized, multi-strand Dyneema rope link
Customer Reviews
Product Models
Description WM Model # MFG Part # Availability Price Quantity  
Series 70 Orbit Block Accessory, Stand-Up Base/Spring 9486192 RF2457
In stock online.

$13.49

Series 70 Orbit Block Accessory, Single Retainer Clip 9486200 RF70001
In stock online.

$3.39

Series 70 Orbit Block Accessory, Double Retainer Clip 9486218 RF70002
In stock online.

$3.39

Series 70 Orbit Block Accessory, Double Dyneema Link 9486226 RF9006-12
In stock online.

$9.79

Product Description

Series 70 BB Ball Bearing & RT Ratchet Orbit Blocks

With all the same high-strength, lightweight features as the rest of the Orbit Blocks range, but designed to handle lines up to 1/2" diameter. Ideal for sheet applications on keelboats up to 30' and control lines on larger boats.

  • Sheave: Carbon reinforced, PTFE impregnated engineered nylon
  • Ball Bearings: Series 70 BB Ball Bearing & RT Ratchet Orbit Blocks
  • Sheave Size: 2-3/4" (70mm)
  • Line Dia.: 1/2" (12mm)
  • Cheek Material/Finish: Glass-reinforced nylon
  • Shackle Strap/Type: UV stabilized, multi-strand Dyneema rope link

Specs

West Advisor

The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.

Questions about this Product?
1 (800) 262-8464