{"product_id":"ronstan-series-20-triple-ball-bearing-block-with-becket-and-2-axis-shackle-head","title":"Ronstan Series 20 Triple Ball Bearing Block with Becket and 2-Axis Shackle Head","description":"\u003cb\u003eSeries 20 Ball Bearing Block - Triple - Becket - 2-Axis Shackle Head\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eLow friction\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHigh static and dynamic load capacity\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLightweight\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePrecision molded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance  or 90\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eApplications:\u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eDinghy control lines\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDinghy vangs\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCunninghams\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTraveller controls\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eMaterials:\u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eStainless steel ball bearings\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUV Stabilized Acetal sheave\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eGrade 316 stainless steel load strap and head fitting\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eImpact and UV resistant, fiber reinforced Nylon cheeks\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eSheave :\u003c\/b\u003e\t20mm(3\/4\")\u003cbr\u003e\u003cb\u003eMax. Rope :\u003c\/b\u003e\t6mm(1\/4\")\u003cbr\u003e\u003cb\u003ePin:\u003c\/b\u003e  4mm(5\/32\")\u003cbr\u003e\u003cb\u003eM.W.L.:\u003c\/b\u003e\t400kg(880lbs)\u003cbr\u003e\u003cb\u003eB. L.:\u003c\/b\u003e\t850kg(1,870lbs)\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e\t64g(2.3oz)\u003cbr\u003e \u003c!--- cis2:m2lumZRk ---\u003e\n\u003cp\u003eThe Ronstan Series 20 Triple Ball Bearing Block with Becket and 2-Axis Shackle Head offers high-performance sailing and rigging solutions with durable construction and smooth operation. Featuring precision molded Acetal sheaves running on stainless steel or Torlon ball bearings, this block provides low friction and high efficiency under demanding conditions. Its lightweight design makes it ideal for various marine applications, including dinghy control lines, vang systems, cunninghams, and traveler controls, ensuring reliable performance without adding unnecessary weight. The robust materials, such as Grade 316 stainless steel for the load strap and head fitting, UV-stabilized Acetal sheaves, and impact-resistant fiber-reinforced Nylon cheeks, contribute to its longevity and resistance to harsh marine environments. Designed to handle a maximum rope diameter of 1\/4 inch, it has a working load limit of 880 pounds and a breaking load of 1,870 pounds, making it suitable for both recreational and competitive sailing. Weighing only 2.3 ounces, this component combines strength and lightness, ensuring ease of handling and installation. The compact size and high load capacity make it a versatile choice for sailors seeking reliable and low-maintenance hardware. Whether upgrading existing rigging or outfitting a new boat, the Ronstan Series 20 Ball Bearing Block enhances control and safety while maintaining smooth operation over time. Built with quality materials and precision engineering, this triple sheave block is an essential part of any rigging setup requiring dependable performance and durability.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eLow friction design with high-performance ball bearings\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\u003eLightweight construction for ease of handling and performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePrecision molded Acetal sheaves with stainless steel or Torlon ball bearings\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRobust materials including Grade 316 stainless steel and impact-resistant nylon cheeks\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSuitable for rope sizes up to 1\/4 inch (6 mm)\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMaximum working load of 880 lbs and breaking load of 1,870 lbs\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompact and lightweight for versatile marine use\u003c\/li\u003e\u003c\/ul\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":44529360076842,"sku":"55142","price":49.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/55142XL.jpg?v=1783072410","url":"https:\/\/atticusgoods.com\/products\/ronstan-series-20-triple-ball-bearing-block-with-becket-and-2-axis-shackle-head","provider":"Atticus Goods","version":"1.0","type":"link"}