Ronstan Series 30 Utility Ball Bearing Block - Single, Swivel Shackle Head

The Series 30 Utility Ball Bearing Block - Single, Swivel Shackle Head is a premium component designed specifically for marine and boating applications. Engineered for durability and smooth operation, it ensures reliable performance in various sea conditions, making it an essential addition to your vessel's rigging system.

Features:

• Low friction 2-stage ball bearing system ensures consistent performance across the entire working load range.
• High static and dynamic load capacity for demanding marine applications.
• Lightweight construction reduces strain on rigging.
• Versatile head fittings allow for flexible installation options.

Product Information:

The Series 30 utilizes Acetal or Torlon® ball bearings paired with sheaves to deliver high performance and minimal friction. The 2-stage ball bearing system maintains consistent performance throughout the full load range, ensuring reliable operation whether under light or heavy loads. The block can be fitted with a shackle in either of two planes, facilitating correct alignment and enhancing functionality on your vessel.

Applications:

• Primary lead blocks on dinghies and catamarans, providing essential support for sail handling.
• Control lines on larger yachts, ensuring smooth and reliable line management.

Materials:

• U.V. stabilized Acetal sheaves for long-lasting performance under sun exposure.
• Durable Acetal ball bearings ensure smooth operation and longevity.
• Impact modified, fiber reinforced, and U.V. stabilized Nylon cheeks for enhanced strength and durability.
• Grade 316 stainless steel load straps and head fittings for superior corrosion resistance in marine environments.

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.