Ronstan Series 55 Ball Bearing Orbit Block - Single Becket with Swivel Head

The Ronstan Series 55 Ball Bearing Orbit Block - Single Becket with Swivel Head is a lightweight and high-performance block designed for various applications on boats and yachts. With its innovative design and materials, this block offers exceptional load performance and durability.

Features:

• Ultra Lightweight
• Low friction 2-stage Orbital ball bearing system
• Highest working load in its class
• Low profile and compact
• High performance cleating
• Swivel shackle head for unlimited block rotation
• Stainless steel shackle head for ultimate durability and compatibility with harsh fixing points
• Ultra low profile integrated becket

Specifications:

• Sheave O: 55mm (2-5/32")
• Max. Rope O: 10mm (3/8")
• Maximum Working Load (M.W.L.): 500kg (1,100lbs)
• Breaking Load (B.L.): 1,000kg (2,200lbs)
• Weight: 88g (3.1oz)

Materials:

• Ball bearings - High compression strength carbon black Acetal
• Stage 2 bearing - Carbon fiber reinforced, PTFE impregnated Nylon
• Frame/Cheeks - Toughened, glass fiber reinforced Nylon
• Rope Link: UV stabilized, multi-strand impregnated SK75 Dyneemar
• Sheave: Carbon fiber reinforced, PTFE impregnated Nylon
• Head fitting: Grade 316 stainless steel

Applications:

• Mainsheet systems on dinghies, sportsboats, and small keelboats to 9M(30')
• Spinnaker sheets on dinghies, sportsboats, and small keel boats to 9M(30')
• Halyard, Vang, and Backstay application on boats to 8M(26')
• Control line applications on larger yachts
• Ideal use for mainsheet systems and spinnaker sheets on dinghies, sportsboats, and small keel boats to 9M(30')
• Also ideal with halyard, vang, and backstay applications on boats to 8M(26')
• Spinnaker sheets on sportsboats and small keel boats (lateral lead blocks)
• Control line applications on larger yachts

Learn More:

• Ball Bearing on Wikipedia
• Acetal on Wikipedia
• Nylon on Wikipedia
• Dyneema on Wikipedia
• Stainless Steel on Wikipedia

Specifications

Product: Ronstan Rf55110 Series 55 Ball Bearing Orbit Block Single Becket Swivel Head

Brand: Ronstan

Model: RF55110

Additional Shipping Information:

Shipping Weight: 0.30 lb

Shipping Height: 1.00 in

Shipping Width: 3.00 in

Shipping Length: 6.00 in

Atlantis Showroom accepts returns within 90 days of shipment. However, certain goods such as open software, mapping/chart data cards, international orders, freight truck only items, and special order items are not eligible for return, refund, or exchange.

If your return is accepted, we will provide an exchange for the returned item, a non-transferable merchandise credit, a credit to the payment card or original payment method, a check, or another appropriate remedy that we determine in good faith. To request a return merchandise authorization (RMA), customers can contact us on our website or email us at customerservice@atlantisshowroom.com. We will issue an RMA number and provide instructions for returning the package within a reasonable time frame, usually within 1-3 business days.