{"product_id":"ronstan-series-40-ball-bearing-block-with-fiddle-becket-and-cleat-model-rf40530","title":"Ronstan Series 40 Ball Bearing Block with Fiddle, Becket, and Cleat - Model RF40530","description":"\u003cp\u003e\u003cstrong\u003eSeries 40 Ball Bearing Block - Fiddle - Becket - Cleat\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLow friction Acetal or Torlon bearing system\u003c\/li\u003e\n\u003cli\u003eLightweight\u003c\/li\u003e\n\u003cli\u003eCheek cut-outs for easy bearing maintenance\u003c\/li\u003e\n\u003cli\u003eCaptive Lock universal head\u003c\/li\u003e\n\u003cli\u003eSlotted pin shackle eliminates fouled lines\u003c\/li\u003e\n\u003cli\u003eSnap fit removable becket pin\u003c\/li\u003e\n\u003cli\u003eMulti-position cleat arm\u003c\/li\u003e\n\u003cli\u003eLow friction, 2-stage ball bearing system\u003c\/li\u003e\n\u003cli\u003eHigh static and dynamic load capacity\u003c\/li\u003e\n\u003cli\u003eLightweight\u003c\/li\u003e\n\u003cli\u003eCheek cut-outs for easy bearing maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSheaves 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\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMainsheet\u003c\/li\u003e\n\u003cli\u003eHalyard\u003c\/li\u003e\n\u003cli\u003eVang\u003c\/li\u003e\n\u003cli\u003eSpinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)\u003c\/li\u003e\n\u003cli\u003eTypically used in direct 4:1 purchase systems such as mainsheets and boom vangs\u003c\/li\u003e\n\u003cli\u003eOn larger boats they are used for fine-tune mainsheet tackles, outhauls, cunninghams, checkstays, genoa lead pullers and traveller controls.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAcetal ball bearings\u003c\/li\u003e\n\u003cli\u003eUV stabilized Acetal sheave\u003c\/li\u003e\n\u003cli\u003eGrade 316 stainless steel load strap and head fitting\u003c\/li\u003e\n\u003cli\u003eImpact and UV resistant, fiber reinforced Nylon cheeks\u003c\/li\u003e\n\u003c\/ul\u003e \u003c!--- cis2:m2lumZRk ---\u003e\n\u003cp\u003eThe Ronstan Series 40 Ball Bearing Block with Fiddle, Becket, and Cleat (Model RF40530) offers high-performance sailing hardware designed for demanding marine applications. Featuring a low friction 2-stage ball bearing system built with durable Acetal or Torlon bearings, this block ensures smooth operation and reliable load handling even under heavy loads. Its lightweight construction, combined with cheek cut-outs for easy bearing maintenance, makes it an efficient choice for racing and cruising vessels alike. The captive Lock universal head can be fixed in two planes or allowed to swivel freely, providing versatile positioning options to optimize sail trim and line control. The quick-adjust cleat arms require no tools for operation and securely lock into position, streamlining sail adjustments during dynamic conditions. Additionally, the removable becket pin allows for pre-splicing lines, simplifying line management and setup. Designed with a slotted pin shackle to prevent fouling lines, this block is suitable for a variety of applications including mainsheets, halyards, vangs, spinnaker control lines, and fine-tuning systems such as outhauls and traveler controls on boats up to 26 feet. Constructed with UV-stabilized Acetal sheaves, impact-resistant fiber-reinforced nylon cheeks, and Grade 316 stainless steel fittings, the RF40530 ensures durability and resistance to harsh marine environments. Whether used on smaller racing boats or larger cruising vessels, this ball bearing block delivers dependable performance, smooth line handling, and ease of maintenance, making it an essential component for modern sailboat rigging.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eLow friction Acetal or Torlon bearing system for smooth operation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLightweight design for easy handling and installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCheek cut-outs facilitate easy bearing maintenance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCaptive Lock universal head can be fixed in two planes or swivel freely\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSlotted pin shackle prevents line fouling\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSnap fit removable becket pin for pre-spliced lines\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMulti-position cleat arm for versatile line control\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003e2-stage ball bearing system provides consistent performance across load ranges\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHigh static and dynamic load capacity for demanding applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDurable UV-stabilized Acetal sheave for long-lasting use\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eImpact and UV resistant fiber-reinforced nylon cheeks\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConstructed with Grade 316 stainless steel for corrosion resistance\u003c\/li\u003e\u003c\/ul\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":44530311004202,"sku":"70623","price":102.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/70623XL.jpg?v=1783116228","url":"https:\/\/atticusgoods.com\/products\/ronstan-series-40-ball-bearing-block-with-fiddle-becket-and-cleat-model-rf40530","provider":"Atticus Goods","version":"1.0","type":"link"}