Ronstan Series 30 Utility Ball Bearing Block, Single Swivel Shackle Head RF30100

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

Features:

• Low friction 2-stage ball bearing system provides consistent performance over the full working load range.
• High static and dynamic load capacity.
• Light weight
• Versatile head fittings

Product Information:

Sheaves running on Acetal or Torlon ball bearings provide high performance low friction. The 2-stage ball bearing system provides consistent performance over the full load range.Can be fitted with a shackle in either of two planes to allow correct alignment of the block.

Applications:

• Primary lead blocks on dinghies and catamarans
• Control lines on larger yachts

Materials:

• U.V. stabilized Acetal sheaves
• Acetal ball bearings
• Impact modified, fiber reinforced and U.V. stabilized Nylon cheeks
• Grade 316 stainless steel load straps and head fittings

Ronstan Series 30 Utility Ball Bearing Block RF30100 is a lightweight, single-sheave sailing block designed for reliable control-line handling on dinghies, catamarans, and larger yachts. Its low-friction, two-stage ball-bearing system supports consistent performance throughout the working load range, helping sailors manage primary lead blocks and control lines with smooth, dependable operation.

The swivel shackle head provides versatile rigging options and can be fitted in either of two planes to help maintain proper block alignment. This adaptable design is useful when line direction changes during sailing or when hardware positioning requires flexible alignment. The block combines a high static and dynamic load capacity with a lightweight construction suited to a broad range of marine applications.

Key Features:

• Feature: Low-friction two-stage ball-bearing system provides consistent performance across the working load range.
• Feature: High static and dynamic load capacity supports demanding sailing applications.
• Feature: Swivel shackle head can be fitted in either of two planes for correct alignment.
• Feature: Lightweight construction is suitable for primary lead blocks and control lines.
• Feature: Versatile head fittings accommodate flexible rigging arrangements.

Product Details:

• Brand: Ronstan
• Series: 30 Utility
• Part number: RF30100
• Product type: Single utility ball bearing block with swivel shackle head
• Sheaves: UV-stabilized Acetal
• Bearings: Acetal ball bearings
• Cheeks: Impact-modified, fiber-reinforced, UV-stabilized Nylon
• Load straps and head fittings: Grade 316 stainless steel
• Applications: Primary lead blocks on dinghies and catamarans; control lines on larger yachts

Choose the Ronstan Series 30 Utility Ball Bearing Block RF30100 for a versatile, low-friction sailing hardware solution built around reliable alignment and proven marine materials.

SEO Meta Description: Shop the Ronstan Series 30 Utility Ball Bearing Block RF30100 with low-friction bearings, swivel shackle head, and versatile sailing applications.

Features:

• Low-friction two-stage ball-bearing system provides consistent performance across the working load range.

• High static and dynamic load capacity supports demanding sailing applications.

• Swivel shackle head can be fitted in either of two planes for correct alignment.

• Lightweight construction is suitable for primary lead blocks and control lines.

• Versatile head fittings accommodate flexible rigging arrangements.