Ronstan Series 30 Ball Bearing Orbit Block - Stand Up Swivel

The Series 30 Ball Bearing Orbit Block™ - Stand Up Swivel is meticulously engineered for the marine and boating enthusiast. Crafted with high-performance materials and precision design, this orbit block delivers exceptional strength and minimal friction, making it an indispensable component for a variety of sailing and boating applications.

Features

• Lightweight Construction: Reduces overall load without compromising strength.
• Superior Load Capacity: Highest working load in its class, ensuring reliable performance under stress.
• Secure and Versatile Attachment: Multiple attachment options provide flexibility for various setups.
• Low Profile Design: Compact size ensures it fits seamlessly into your vessel’s rigging system.

Applications

• Mainsheet Systems: Ideal for mainsheet and spinnaker sheet setups on dinghies up to 5M (16').
• Halyard, Vang, and Backstay: Perfect for halyard, vang, and backstay applications on boats up to 5M (16').
• Control Lines: Efficiently manages control lines on larger yachts, enhancing maneuverability and control.

Materials

• Sheave: High compression strength carbon black Acetal for durability and smooth operation.
• Ball Bearings: High compression strength Acetal ensures long-lasting performance.
• Frame/Cheeks: Toughened, glass fiber reinforced Nylon provides robust structural integrity.
• Link: UV stabilized, multi-strand impregnated SK75 Dyneema® for enhanced resilience against environmental factors.

Specifications

Specification	Details
Sheave Ø:	30mm (1-3/16")
Max. Rope Ø:	8mm (5/16")
Maximum Working Load (M.W.L.):	300kg (660lbs)
Burst Load (B.L.):	600kg (1,320lbs)
Weight:	33g (1.2oz)

Installation Video

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.