{"id":3572,"date":"2026-07-04T17:21:00","date_gmt":"2026-07-04T09:21:00","guid":{"rendered":"https:\/\/www.universalchain.net\/?p=3572"},"modified":"2026-07-10T11:53:53","modified_gmt":"2026-07-10T03:53:53","slug":"what-is-ansi-roller-chain","status":"publish","type":"post","link":"https:\/\/www.universalchain.net\/it\/blogs\/roller-chain\/what-is-ansi-roller-chain\/","title":{"rendered":"What is an ANSI Standard Roller Chain?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" >Indice dei contenuti<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Attiva\/disattiva Sommario\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Attiva\/disattiva<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.universalchain.net\/it\/blogs\/roller-chain\/what-is-ansi-roller-chain\/#What_are_the_Specifications_of_an_ANSI_Standard_Roller_Chain\" title=\"What are the Specifications of an ANSI Standard Roller Chain?&nbsp;\">What are the Specifications of an ANSI Standard Roller Chain?&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.universalchain.net\/it\/blogs\/roller-chain\/what-is-ansi-roller-chain\/#How_to_Read_ANSI_Standard_Roller_Chain_Sizes\" title=\"How to Read ANSI Standard Roller Chain Sizes?&nbsp;\">How to Read ANSI Standard Roller Chain Sizes?&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.universalchain.net\/it\/blogs\/roller-chain\/what-is-ansi-roller-chain\/#Conclusion\" title=\"Conclusione\">Conclusione<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">An ANSI standard <a href=\"https:\/\/www.universalchain.net\/it\/products\/roller-chain\/\" data-type=\"link\" data-id=\"https:\/\/www.universalchain.net\/products\/roller-chain\/\" target=\"_blank\" rel=\"noreferrer noopener\">catena a rulli<\/a> is a mechanical drive component that transfers power between rotating shafts. It consists of alternating inner and outer links that connect to a matching ANSI standard roller chain sprocket to drive industrial machinery.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This guide explains the key dimensions, numbering systems, and technical parameters to help you select the right chain for your machinery.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_the_Specifications_of_an_ANSI_Standard_Roller_Chain\"><\/span><strong>What are the Specifications of an <\/strong><strong>ANSI Standard Roller Chain<\/strong><strong>?&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The specifications of an ANSI roller chain are meant to ensure consistent performance, compatibility, and interchangeability across different manufacturers.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The mechanical transmission of power requires exact dimensions to guarantee that the components are compatible with each other. The American National Standards Institute establishes these specific configurations through the ANSI B29.1 standard. These include pitch limitations, roller size, pin diameter, and side plate thickness for universal swapping.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Engineers use an ANSI standard roller chain size chart to match a chain to specific design loads and operating limits. For example, standard sizes range from a small number 25 chain up to a heavy-duty number 240 chain. A thorough ANSI standard roller chain chart lists vital attributes like average tensile strength and weight per foot.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Industry Number<\/td><td>Pitch (inches)<\/td><td>Roller Width (inches)<\/td><td>Roller Diameter (inches)<\/td><td>Tensile Strength (lbs)<\/td><\/tr><tr><td>25<\/td><td>0.250<\/td><td>0.125<\/td><td>0.130<\/td><td>1,036<\/td><\/tr><tr><td>35<\/td><td>0.375<\/td><td>0.188<\/td><td>0.174<\/td><td>2,469<\/td><\/tr><tr><td>40<\/td><td>0.500<\/td><td>0.312<\/td><td>0.312<\/td><td>4,188<\/td><\/tr><tr><td>50<\/td><td>0.625<\/td><td>0.375<\/td><td>0.400<\/td><td>6,834<\/td><\/tr><tr><td>60<\/td><td>0.750<\/td><td>0.500<\/td><td>0.469<\/td><td>9,259<\/td><\/tr><tr><td>80<\/td><td>1.000<\/td><td>0.625<\/td><td>0.625<\/td><td>17,636<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Material grades and heat treatment steps directly impact the total ANSI standard roller chain price. Base carbon steel variants cost less but offer minimal resistance to wet environments. Specialty alloy chains with hot-dipped lubricants or <a href=\"https:\/\/www.universalchain.net\/it\/products\/corrosion-resistant-nickel-plated-chain\/\" data-type=\"link\" data-id=\"https:\/\/www.universalchain.net\/products\/corrosion-resistant-nickel-plated-chain\/\" target=\"_blank\" rel=\"noreferrer noopener\">nickel coatings <\/a>command premium rates because they extend wear life in harsh environments.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Read_ANSI_Standard_Roller_Chain_Sizes\"><\/span><strong>How to Read <\/strong><strong>ANSI Standard Roller Chain Sizes<\/strong><strong>?&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">To read the sizes of the standard roller chains by ANSI, a numbering system is used through a simple code to describe structural traits.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The first digit represents the chain pitch measured in eighths of an inch. The second digit indicates the specific style, where zero means a standard roller configuration. A right-hand number five means a rollerless chain, while a number one signifies a lightweight series.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When looking at a standard <a href=\"https:\/\/www.universalchain.net\/it\/product\/roller-chain\/\" target=\"_blank\" rel=\"noreferrer noopener\">tabella delle dimensioni delle catene a rulli<\/a>, you will notice dimensions presented in both systems. A metric roller chain size chart mm converts fractional inches into exact millimeter figures.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For example, a standard number 40 chain features a pitch of 12.70 millimeters and a roller width of 7.92 millimeters. Maintenance crews often download an ANSI standard roller chain pdf to keep these structural metrics on hand for quick field repairs.<\/p>\n\n\n\n<style>\n.hero-product-card {\n  display: flex;\n  align-items: center;\n  justify-content: space-between;\n  background: #f9f9f9;\n  border: 1px solid #e0e0e0;\n  border-radius: 12px;\n  padding: 25px;\n  margin: 40px 0;\n  box-shadow: 0 4px 10px rgba(0,0,0,0.05);\n  font-family: Arial, sans-serif;\n  flex-wrap: wrap;\n  transition: box-shadow 0.3s ease;\n}\n\n.hero-product-card:hover {\n  box-shadow: 0 6px 16px rgba(0,0,0,0.08);\n}\n\n.hero-product-card .content {\n  max-width: 60%;\n}\n\n.hero-product-card .product-title {\n  font-size: 22px;\n  color: #cf2e2e;\n  margin-bottom: 12px;\n  font-weight: bold;\n}\n\n.hero-product-card p {\n  font-size: 15px;\n  color: #333;\n  margin-bottom: 16px;\n  line-height: 1.5;\n}\n\n.hero-product-card a.cta {\n  display: inline-block;\n  padding: 10px 18px;\n  background-color: #cf2e2e;\n  color: #fff;\n  text-decoration: none;\n  border-radius: 6px;\n  font-weight: bold;\n  transition: background-color 0.3s ease;\n}\n\n.hero-product-card a.cta:hover {\n  background-color: #af2727;\n}\n\n.hero-product-card .image {\n  max-width: 35%;\n}\n\n.hero-product-card .image img {\n  max-width: 100%;\n  border-radius: 8px;\n  border: 1px solid #ddd;\n  transition: transform 0.3s ease;\n}\n\n.hero-product-card .image a:hover img {\n  transform: scale(1.02);\n}\n\n@media (max-width: 767px) {\n  .hero-product-card .content,\n  .hero-product-card .image {\n    max-width: 100%;\n  }\n}\n<\/style>\n\n<div class=\"hero-product-card\">\n  <div class=\"content\">\n    <div class=\"product-title\">Collezione di catene a rulli<\/div>\n    <p>Una gamma completa di catene a rulli progettate per una trasmissione di potenza stabile ed efficiente in tutte le applicazioni industriali.<\/p>\n    <a class=\"cta\" href=\"https:\/\/www.universalchain.net\/it\/roller-chain-manufacturer\/\" target=\"_blank\" rel=\"noopener\">Visualizza altro<\/a>\n  <\/div>\n  <div class=\"image\">\n    <a href=\"https:\/\/www.universalchain.net\/it\/roller-chain-manufacturer\/\" target=\"_blank\" rel=\"noopener\">\n      <img decoding=\"async\" src=\"https:\/\/www.universalchain.net\/wp-content\/uploads\/2025\/08\/Industrial-Roller-Chains-1.webp\" alt=\"Collezione di catene a rulli per la trasmissione di potenza industriale\">\n    <\/a>\n  <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusione<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">An ANSI standard roller chain ensures exact physical compatibility across power transmission components by enforcing precise ANSI B29.1 geometry metrics. Selecting the correct component requires careful review of a chain size chart to balance tensile strength against load demands.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Universal Chain manufactures effective mechanical parts using modern automation under certified ISO 9001 and ISO 14001 quality systems. Our production facility utilizes continuous heat treatment furnaces and automatic assembly tracks to supply high-end industrial systems globally.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Furthermore, you can explore our components across diverse material handling and agricultural machinery setups via our official <a href=\"https:\/\/www.universalchain.net\/it\/applications\/\" target=\"_blank\" rel=\"noreferrer noopener\">applications profile<\/a>. Please visit the <a href=\"https:\/\/www.universalchain.net\/it\/contactus\/\" target=\"_blank\" rel=\"noreferrer noopener\">Universal Chain contact page<\/a> to receive a custom price quotation for your specific industrial machinery needs today.<\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-25 is-style-fill\"><a class=\"wp-block-button__link has-white-color has-red-background-color has-text-color has-background has-link-color has-small-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/www.universalchain.net\/it\/product\/drive-chains\/\" style=\"border-radius:80px\" target=\"_blank\" rel=\"noreferrer noopener\">Esplora ora<\/a><\/div>\n<\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>An ANSI standard roller chain is a mechanical drive component that transfers power between rotating shafts. It consists of alternating inner and outer links that connect to a matching ANSI standard roller chain sprocket to drive industrial machinery.\u00a0 This guide explains the key dimensions, numbering systems, and technical parameters to help you select the right [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[77],"tags":[],"class_list":["post-3572","post","type-post","status-publish","format-standard","hentry","category-roller-chain"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is an ANSI Standard Roller Chain\uff1f<\/title>\n<meta name=\"description\" content=\"Learn the specifications of ANSI standard roller chains, including dimensions, numbering systems, and technical parameters, to ensure proper compatibility and power transmission.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.universalchain.net\/it\/blogs\/roller-chain\/what-is-ansi-roller-chain\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is an ANSI Standard Roller Chain\uff1f\" \/>\n<meta property=\"og:description\" content=\"Learn the specifications of ANSI standard roller chains, including dimensions, numbering systems, and technical parameters, to ensure proper compatibility and power transmission.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.universalchain.net\/it\/blogs\/roller-chain\/what-is-ansi-roller-chain\/\" \/>\n<meta property=\"og:site_name\" content=\"Professional Manufacturer of Chain Industrial - 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