Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Swivel Shackle Head

The Series 30 Ball Bearing Orbit Block™ is engineered for marine enthusiasts seeking unparalleled strength and efficiency in their rigging systems. Designed with advanced composite materials and precision ball bearing technology, this orbit block ensures smooth operation and reduced friction, making it an essential component for various boating applications.

Key Features

• Lightweight Construction: Minimizes overall system weight without compromising durability.
• Superior Load Capacity: Offers the highest working load in its class, supporting demanding marine applications.
• Versatile Attachment Options: Ensures secure and flexible mounting to suit diverse rigging setups.
• Low Profile Design: Compact size allows for easy installation in tight spaces.
• Ultra Low Profile Thru-Sheave Becket: Enhances functionality by providing seamless integration with sheaves.
• Advanced Ball Bearing System: A two-stage mechanism delivers consistent, low-friction performance across the entire working load range.

Ideal Applications

• Mainsheet Systems: Perfect for managing mainsheet and spinnaker sheets on dinghies up to 5M (16').
• Halyard and Vang Lines: Reliable performance for halyard, vang, and backstay applications on boats up to 5M (16').
• Control Lines: Suitable for control line operations on larger yachts, ensuring precise sail adjustments.

Premium Materials

• Sheave: Crafted from high compression strength carbon black Acetal for enhanced durability.
• Ball Bearings: Made with high compression strength Acetal, ensuring long-lasting performance.
• Frame/Cheeks: Constructed from toughened, glass fiber reinforced Nylon for increased resilience.
• Link: Features UV stabilized, multi-strand impregnated SK75 Dyneema® for superior strength and resistance to environmental factors.

Technical Specifications

Specification	Details
Sheave Diameter	30mm (1-3/16")
Maximum Rope Diameter	8mm (5/16")
Maximum Working Load (M.W.L.)	300kg (660lbs)
Breaking Load (B.L.)	600kg (1,320lbs)
Weight	32g (1.1oz)

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Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.