CW55179 - Ronstan Series 30 Ball Bearing Orbit Block - Triple - Becket

• Lightweight
  
• Highest working load in its class
  
• Secure, versatile and secure attachement
  
• Low profile and compact

• Mainsheet systems and spinnaker sheets on dinghies to 5M(16')
  
• Halyard, vang and backstay applications on boats to 5M(16')
  
• Control line applications on larger yachts

• Sheave: High compression strength carbon black Acetal
  
• Ball Bearings: High compression strength Acetal
  
• Frame/Cheeks: Toughened, glass fiber reinforced Nylon
  
• Link: UV stabilized, multi-strand impregnated SK75 Dyneema®

The Ronstan Series 30 Ball Bearing Orbit Block - Triple - Becket, part number CW55179, is a specialized component designed for marine applications requiring efficient rope management. This triple block with becket is engineered for high strength-to-weight performance, utilizing an all-composite reinforced polymer construction. It features a 30mm carbon black Acetal sheave and high compression strength Acetal ball bearings to minimize friction. The frame and cheeks are made from toughened, glass fiber reinforced Nylon, while the link uses UV stabilized, multi-strand impregnated SK75 Dyneema�. With a maximum working load of 550kg and a burst load of 1,100kg, this block is suitable for performance mainsheet and spinnaker sheet systems on dinghies up to 5M (16'), as well as halyard, vang, and backstay uses on similar sized vessels. It also functions effectively in control line systems on larger yachts, providing a compact and low-profile solution for demanding rigging setups.