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Ronstan

Ronstan Series 40 Ball Bearing Fiddle Block with Becket and Cleat, RF40530

Ronstan Series 40 Ball Bearing Fiddle Block with Becket and Cleat, RF40530

SKU:70623

Regular price $110.97 USD
Regular price Sale price $110.97 USD
Sale Sold out

6 in stock

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Series 40 Ball Bearing Block - Fiddle - Becket - Cleat

Features:

  • Low friction Acetal or Torlon bearing system
  • Lightweight
  • Cheek cut-outs for easy bearing maintenance
  • Captive Lock universal head
  • Slotted pin shackle eliminates fouled lines
  • Snap fit removable becket pin
  • Multi-position cleat arm
  • Low friction, 2-stage ball bearing system
  • High static and dynamic load capacity
  • Lightweight
  • Cheek cut-outs for easy bearing maintenance

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.Captive Lock universal head can be fixed in either of two planes, or free to swivel as required. Quick adjusting cleat arms require no tools to adjust and fix securely in position. Becket pin is removable so line can be spliced prior to fitting and is i

Applications:

  • Mainsheet
  • Halyard
  • Vang
  • Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)
  • Typically used in direct 4:1 purchase systems such as mainsheets and boom vangs
  • On larger boats they are used for fine-tune mainsheet tackles, outhauls, cunninghams, checkstays, genoa lead pullers and traveller controls.

Materials:

  • Acetal ball bearings
  • UV stabilized Acetal sheave
  • Grade 316 stainless steel load strap and head fitting
  • Impact and UV resistant, fiber reinforced Nylon cheeks

Ronstan Series 40 Ball Bearing Fiddle Block with Becket and Cleat is designed for sailors who need reliable, low-friction control for mainsheets, halyards, vangs, and other line-handling applications. Model RF40530 combines a fiddle block, becket, and adjustable cleat in one compact assembly, making it a practical choice for direct 4:1 purchase systems and control lines on off-the-beach catamarans, one-design classes, sportsboats, and larger boats.


Its two-stage Acetal or Torlon ball bearing system helps provide smooth, consistent operation across the load range. The lightweight construction supports efficient rigging without adding unnecessary bulk, while the high static and dynamic load capacity suits a variety of sailing control applications. Cheek cut-outs provide access for easier bearing maintenance, helping simplify routine care and service.


The Captive Lock universal head can be fixed in either of two planes or left free to swivel as required. A multi-position cleat arm adjusts quickly without tools and secures firmly in position, allowing the cleat to be configured for convenient line handling. The slotted pin shackle helps reduce the chance of fouled lines, and the snap-fit removable becket pin allows the line to be prepared before fitting.


KEY FEATURES:


  • Low-friction bearing system: Acetal or Torlon ball bearings support smooth, consistent performance.
  • Fiddle block with becket and cleat: Combines multiple rigging functions for mainsheets, vangs, halyards, and control lines.
  • Captive Lock universal head: Can be fixed in two planes or allowed to swivel as required.
  • Adjustable cleat arm: Multi-position design adjusts without tools and locks securely in place.
  • Maintenance-friendly construction: Cheek cut-outs provide access to the bearing system.
  • Line-management features: Slotted pin shackle and removable becket pin help simplify setup and reduce fouling concerns.

PRODUCT DETAILS:


  • Brand: Ronstan
  • Series: Series 40
  • Model: RF40530
  • Materials: Acetal ball bearings, UV-stabilized Acetal sheave, Grade 316 stainless steel load strap and head fitting, and impact- and UV-resistant fiber-reinforced nylon cheeks
  • Applications: Mainsheets, halyards, vangs, spinnaker control lines, outhauls, cunningham controls, checkstays, genoa lead pullers, and traveler controls
  • Typical use: Direct 4:1 purchase systems, including mainsheets and boom vangs

Choose the Ronstan RF40530 Series 40 fiddle block when dependable low-friction control and flexible cleat positioning are important to your sailing setup.


SEO META DESCRIPTION:
Ronstan Series 40 RF40530 fiddle block with becket and cleat offers low-friction ball bearings, adjustable cleat positioning, and versatile sailing control.

Features:

  • Low-friction Acetal or Torlon two-stage ball bearing system
  • Fiddle block with becket and multi-position cleat arm
  • Captive Lock universal head with fixed or swiveling configurations
  • Slotted pin shackle helps reduce fouled lines
  • Snap-fit removable becket pin
  • Cheek cut-outs for easier bearing maintenance
Truck Freight: No
Oversized: No

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