CW72397 - Ronstan Series 30 Utility Ball Bearing Block - Single, Swivel Shackle Head

Ronstan Series 30 Single Ball Bearing Block with Swivel Shackle

Overview: The Series 30 block is designed for optimal performance with a lightweight construction and high load capacity, making it ideal for various sailing applications.

Key Features:

• Low-friction, two-stage ball bearing system ensures smooth operation under load.
• Designed for high static and dynamic load capabilities, suitable for demanding environments.
• Lightweight design enhances overall efficiency and ease of use.
• Versatile head fittings allow for multiple attachment options.

Technical Specifications:

Constructed with Acetal or Torlon� ball bearings, this block provides low friction and high performance. The unique two-stage bearing system guarantees consistent function across the full load spectrum. The shackle can be fitted in two orientations, facilitating proper block alignment.

Applications:

• Ideal for primary lead blocks on dinghies and catamarans.
• Effective for control lines on larger yachts and racing vessels.

Materials Used:

• U.V. stabilized Acetal sheaves for durability in sunlight.
• Acetal ball bearings for smooth operation.
• Nylon cheeks that are impact modified, fiber reinforced, and U.V. stabilized.
• Grade 316 stainless steel components for superior strength and corrosion resistance.

The Ronstan Series 30 Utility Ball Bearing Block (part number CW72397) is a single block with a swivel shackle head, engineered for various marine applications. It features a two-stage ball bearing system designed to maintain low friction and smooth operation under both static and dynamic loads. Constructed with UV-stabilized Acetal sheaves, Acetal ball bearings, and fiber-reinforced nylon cheeks, the block also incorporates Grade 316 stainless steel components for corrosion resistance. This design supports high load capacities while maintaining a lightweight profile. It is suitable for use as primary lead blocks on dinghies and catamarans, or for control lines on larger yachts and racing vessels, providing a reliable component for managing rigging in demanding environments.