{"id":2904,"date":"2026-07-07T14:02:34","date_gmt":"2026-07-07T12:02:34","guid":{"rendered":"https:\/\/www.fries-gmbh.de\/knowledge\/brackets-bearing-blocks\/"},"modified":"2026-07-07T14:02:34","modified_gmt":"2026-07-07T12:02:34","slug":"brackets-bearing-blocks","status":"publish","type":"page","link":"https:\/\/www.fries-gmbh.de\/en\/knowledge\/brackets-bearing-blocks\/","title":{"rendered":"Brackets and Bearing Blocks: Load Paths and Alignment to Drawing"},"content":{"rendered":"<p class=\"fw-zurueck\"><a href=\"https:\/\/www.fries-gmbh.de\/en\/knowledge\/\">\u2190 Back to the knowledge base<\/a><\/p>\n<article class=\"fw-artikel\">\n<header class=\"fw-kopf\">\n<p class=\"fw-kicker\">Knowledge \u00b7 Typical components<\/p>\n<aside class=\"fw-kurzantwort\">\n<p><strong>In short:<\/strong> Brackets carry loads from attachments into the structure; bearing blocks guide shafts and rotating components. Both look unspectacular yet decide the function of the whole machine: on brackets the clean load path and weld sizing count, on bearing blocks the fit of the bearing bore and the alignment of several bores to each other. The rule for both: weld first, machine second, and bore related seats in one set-up.<\/p>\n<\/aside>\n<\/header>\n<div class=\"fw-inhalt\">\n<h2>What makes a good bracket?<\/h2>\n<p>A part that routes loads into the structure without detours. Brackets carry motors, gearboxes, cylinders or piping and typically consist of top plate, web and connection plate in S235 or S355. Three design points matter: welds sit in the load path and are sized by calculation, not habit (an oversized throat only brings <a href=\"https:\/\/www.fries-gmbh.de\/en\/knowledge\/welding-distortion\/\">distortion<\/a> and cost); connection holes match the counterpart, ideally with slots in the non-critical direction; and under dynamic load, fatigue rules: full-penetration welds at highly stressed points, no weld ends in high-stress zones. Load-bearing brackets run under EN 1090-2, usually EXC 2.<\/p>\n<h2>What matters on bearing blocks?<\/h2>\n<p>The bore. A bearing block is only as good as its bearing seat: the bore needs the fit the bearing maker specifies (typically H7, or K7\/M7 depending on load case), the required roundness and surface, plus a square abutment face and defined foot faces with hole pattern. Material is welded steel, solid stock or casting in series; contract manufacturing is dominated by welded or from-solid one-offs and small batches.<\/p>\n<h2>Why is alignment of several bearing seats the critical point?<\/h2>\n<p>Because a shaft only runs free of constraint if all its seats lie on one line. Two blocks machined separately and mounted never align well enough for a fast shaft; the result is constraint forces, hot bearings, early failure. Practice solutions: <strong>line-bore related seats in one set-up<\/strong> on the boring mill across the complete assembly, machine split blocks together with their base, or use self-aligning units where the application allows. Which solution fits belongs in technical clarification before production.<\/p>\n<h2>How does manufacturing typically run?<\/h2>\n<table>\n<thead>\n<tr>\n<th>Step<\/th>\n<th>Bracket<\/th>\n<th>Bearing block<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1. Cutting\/bending<\/td>\n<td>plates and webs<\/td>\n<td>plates or solid blank<\/td>\n<\/tr>\n<tr>\n<td>2. Welding<\/td>\n<td>EN 1090 for load-bearing duty<\/td>\n<td>if welded, then annealing<\/td>\n<\/tr>\n<tr>\n<td>3. Machining<\/td>\n<td>face mounting surfaces, hole patterns<\/td>\n<td>foot face, then bearing bore in fit, mind alignment<\/td>\n<\/tr>\n<tr>\n<td>4. Inspection<\/td>\n<td>hole-pattern check<\/td>\n<td>fit measurement, report on request<\/td>\n<\/tr>\n<tr>\n<td>5. Surface<\/td>\n<td>painted or galvanised<\/td>\n<td>painted, fits masked and preserved<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>A practical tip: state the bearing type on the drawing. The manufacturer can then check fit, lead-in chamfer and abutment faces against the maker\\u2019s data and catch drawing errors before they become scrap.<\/p>\n<\/div>\n<section class=\"fw-faq\">\n<h2>Frequently asked questions<\/h2>\n<details class=\"fw-faq-item\">\n<summary class=\"fw-faq-frage\">Which fit does a bearing bore need?<\/summary>\n<div class=\"fw-faq-antwort\">\n<p>The bearing maker\\u2019s specification for the load case, in housings frequently H7, with circulating outer-ring load also K7 or M7. Put it on the drawing together with the bearing type.<\/p>\n<\/div>\n<\/details>\n<details class=\"fw-faq-item\">\n<summary class=\"fw-faq-frage\">How do you ensure two bearing blocks align?<\/summary>\n<div class=\"fw-faq-antwort\">\n<p>Most reliably by line-boring the seats in one set-up, mounted on their base. Alternatively self-aligning bearing units or alignment reserves in the design.<\/p>\n<\/div>\n<\/details>\n<details class=\"fw-faq-item\">\n<summary class=\"fw-faq-frage\">Must brackets be made to EN 1090?<\/summary>\n<div class=\"fw-faq-antwort\">\n<p>If they have load-bearing function in the structural sense, yes; EXC 2 is usual in machine building. Pure machine attachments are agreed contractually and welded to the same seam quality.<\/p>\n<\/div>\n<\/details>\n<details class=\"fw-faq-item\">\n<summary class=\"fw-faq-frage\">Welded or milled-from-solid bearing block?<\/summary>\n<div class=\"fw-faq-antwort\">\n<p>Small blocks are often cheaper and more stable from solid; large blocks and special sizes are welded, annealed and machined. Raw material availability and cutting volume draw the line.<\/p>\n<\/div>\n<\/details>\n<\/section>\n<footer class=\"fw-cta\">\n<p>Fries Maschinen- und Anlagenbau manufactures brackets and bearing blocks to drawing, from one-offs to series, including line-boring of aligned seats on the boring mill. More at <a href=\"https:\/\/www.fries-gmbh.de\/en\/cnc-machining\/\">CNC machining at Fries<\/a>.<\/p>\n<\/footer>\n<\/article>\n<p class=\"fw-zurueck\"><a href=\"https:\/\/www.fries-gmbh.de\/en\/knowledge\/\">\u2190 Back to the knowledge base<\/a><\/p>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"headline\":\"Brackets and Bearing Blocks: Load Paths and Alignment to Drawing\",\"description\":\"What matters on welded brackets and machined bearing blocks: load path, fits, aligned bores and the right manufacturing sequence.\",\"inLanguage\":\"en\",\"author\":{\"@type\":\"Person\",\"name\":\"Mika Fries\",\"url\":\"https:\/\/www.fries-gmbh.de\/en\/company\/\"},\"publisher\":{\"@type\":\"Organization\",\"name\":\"Fries Maschinen- und Anlagenbau GmbH\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\/\/www.fries-gmbh.de\/wp-content\/uploads\/2022\/02\/Fries-Logo-weiss-1-e1648995713371.png\"}},\"datePublished\":\"2026-07-07\",\"dateModified\":\"2026-07-07\",\"mainEntityOfPage\":\"https:\/\/www.fries-gmbh.de\/en\/knowledge\/brackets-bearing-blocks\/\"},{\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which fit does a bearing bore need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The bearing maker\\\\u2019s specification for the load case, in housings frequently H7, with circulating outer-ring load also K7 or M7. Put it on the drawing together with the bearing type.\"}},{\"@type\":\"Question\",\"name\":\"How do you ensure two bearing blocks align?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most reliably by line-boring the seats in one set-up, mounted on their base. Alternatively self-aligning bearing units or alignment reserves in the design.\"}},{\"@type\":\"Question\",\"name\":\"Must brackets be made to EN 1090?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"If they have load-bearing function in the structural sense, yes; EXC 2 is usual in machine building. Pure machine attachments are agreed contractually and welded to the same seam quality.\"}},{\"@type\":\"Question\",\"name\":\"Welded or milled-from-solid bearing block?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Small blocks are often cheaper and more stable from solid; large blocks and special sizes are welded, annealed and machined. Raw material availability and cutting volume draw the line.\"}}]},{\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.fries-gmbh.de\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Knowledge\",\"item\":\"https:\/\/www.fries-gmbh.de\/en\/knowledge\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Brackets and Bearing Blocks: Load Paths and Alignment to Drawing\",\"item\":\"https:\/\/www.fries-gmbh.de\/en\/knowledge\/brackets-bearing-blocks\/\"}]}]}<\/script><\/p>\n<style>.fw-artikel{max-width:860px;margin:0 auto;line-height:1.65}.fw-kicker{text-transform:uppercase;letter-spacing:.1em;font-size:.8em;opacity:.7}.fw-kurzantwort{border-left:4px solid currentColor;padding:14px 18px;background:rgba(0,0,0,.04);margin:20px 0}.fw-inhalt table{border-collapse:collapse;width:100%;margin:18px 0}.fw-inhalt th,.fw-inhalt td{border:1px solid rgba(0,0,0,.2);padding:8px 10px;text-align:left;vertical-align:top}.fw-faq-item{border-bottom:1px solid rgba(0,0,0,.15);padding:10px 0}.fw-faq-frage{font-weight:600;cursor:pointer}.fw-cta{margin-top:32px;padding:20px;background:rgba(0,0,0,.04)}.fw-zurueck{max-width:860px;margin:0 auto 18px;font-weight:600}.fw-zurueck a{color:#4a7c48;text-decoration:none}h1{font-size:2.2em !important;line-height:1.25 !important}<\/style>\n","protected":false},"excerpt":{"rendered":"<p>\u2190 Back to the knowledge base Knowledge \u00b7 Typical components In short: Brackets carry loads from attachments into the structure; [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":2878,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2904","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Brackets and Bearing Blocks: Load Paths and Alignment to Drawing - Fries Maschinen- und Anlagenbau GmbH<\/title>\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.fries-gmbh.de\/en\/knowledge\/brackets-bearing-blocks\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Brackets and Bearing Blocks: Load Paths and Alignment to Drawing - Fries Maschinen- und Anlagenbau GmbH\" \/>\n<meta property=\"og:description\" content=\"\u2190 Back to the knowledge base Knowledge \u00b7 Typical components In short: Brackets carry loads from attachments into the structure; [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fries-gmbh.de\/en\/knowledge\/brackets-bearing-blocks\/\" \/>\n<meta property=\"og:site_name\" content=\"Fries Maschinen- und Anlagenbau GmbH\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/pages\/Fries-Maschinen-und-Anlagenbau-GmbH\/303228306853341\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fries-gmbh.de\/wp-content\/uploads\/2022\/02\/AdobeStock_12730836.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"2500\" \/>\n\t<meta property=\"og:image:height\" content=\"2025\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fries-gmbh.de\\\/en\\\/knowledge\\\/brackets-bearing-blocks\\\/\",\"url\":\"https:\\\/\\\/www.fries-gmbh.de\\\/en\\\/knowledge\\\/brackets-bearing-blocks\\\/\",\"name\":\"Brackets and Bearing Blocks: Load Paths and Alignment to Drawing - Fries Maschinen- und Anlagenbau GmbH\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fries-gmbh.de\\\/en\\\/#website\"},\"datePublished\":\"2026-07-07T12:02:34+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fries-gmbh.de\\\/en\\\/knowledge\\\/brackets-bearing-blocks\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fries-gmbh.de\\\/en\\\/knowledge\\\/brackets-bearing-blocks\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.fries-gmbh.de\\\/en\\\/knowledge\\\/brackets-bearing-blocks\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\\\/\\\/www.fries-gmbh.de\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Knowledge\",\"item\":\"https:\\\/\\\/www.fries-gmbh.de\\\/en\\\/knowledge\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Brackets and Bearing Blocks: Load Paths and Alignment to Drawing\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.fries-gmbh.de\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/www.fries-gmbh.de\\\/en\\\/\",\"name\":\"Fries Maschinen- und Anlagenbau GmbH\",\"description\":\"Fries GmbH\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.fries-gmbh.de\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.fries-gmbh.de\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.fries-gmbh.de\\\/en\\\/#organization\",\"name\":\"Fries Maschinen- und Anlagenbau GmbH\",\"url\":\"https:\\\/\\\/www.fries-gmbh.de\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fries-gmbh.de\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.fries-gmbh.de\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/AdobeStock_12730836.jpeg\",\"contentUrl\":\"https:\\\/\\\/www.fries-gmbh.de\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/AdobeStock_12730836.jpeg\",\"width\":2500,\"height\":2025,\"caption\":\"Fries Maschinen- und Anlagenbau GmbH\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fries-gmbh.de\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/pages\\\/Fries-Maschinen-und-Anlagenbau-GmbH\\\/303228306853341\",\"https:\\\/\\\/www.instagram.com\\\/fries_gmbh\\\/\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Brackets and Bearing Blocks: Load Paths and Alignment to Drawing - Fries Maschinen- und Anlagenbau GmbH","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.fries-gmbh.de\/en\/knowledge\/brackets-bearing-blocks\/","og_locale":"en_US","og_type":"article","og_title":"Brackets and Bearing Blocks: Load Paths and Alignment to Drawing - Fries Maschinen- und Anlagenbau GmbH","og_description":"\u2190 Back to the knowledge base Knowledge \u00b7 Typical components In short: Brackets carry loads from attachments into the structure; [&hellip;]","og_url":"https:\/\/www.fries-gmbh.de\/en\/knowledge\/brackets-bearing-blocks\/","og_site_name":"Fries Maschinen- und Anlagenbau GmbH","article_publisher":"https:\/\/www.facebook.com\/pages\/Fries-Maschinen-und-Anlagenbau-GmbH\/303228306853341","og_image":[{"width":2500,"height":2025,"url":"https:\/\/www.fries-gmbh.de\/wp-content\/uploads\/2022\/02\/AdobeStock_12730836.jpeg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.fries-gmbh.de\/en\/knowledge\/brackets-bearing-blocks\/","url":"https:\/\/www.fries-gmbh.de\/en\/knowledge\/brackets-bearing-blocks\/","name":"Brackets and Bearing Blocks: Load Paths and Alignment to Drawing - Fries Maschinen- und Anlagenbau GmbH","isPartOf":{"@id":"https:\/\/www.fries-gmbh.de\/en\/#website"},"datePublished":"2026-07-07T12:02:34+00:00","breadcrumb":{"@id":"https:\/\/www.fries-gmbh.de\/en\/knowledge\/brackets-bearing-blocks\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fries-gmbh.de\/en\/knowledge\/brackets-bearing-blocks\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.fries-gmbh.de\/en\/knowledge\/brackets-bearing-blocks\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Startseite","item":"https:\/\/www.fries-gmbh.de\/en\/"},{"@type":"ListItem","position":2,"name":"Knowledge","item":"https:\/\/www.fries-gmbh.de\/en\/knowledge\/"},{"@type":"ListItem","position":3,"name":"Brackets and Bearing Blocks: Load Paths and Alignment to Drawing"}]},{"@type":"WebSite","@id":"https:\/\/www.fries-gmbh.de\/en\/#website","url":"https:\/\/www.fries-gmbh.de\/en\/","name":"Fries Maschinen- und Anlagenbau GmbH","description":"Fries GmbH","publisher":{"@id":"https:\/\/www.fries-gmbh.de\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.fries-gmbh.de\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.fries-gmbh.de\/en\/#organization","name":"Fries Maschinen- und Anlagenbau GmbH","url":"https:\/\/www.fries-gmbh.de\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fries-gmbh.de\/en\/#\/schema\/logo\/image\/","url":"https:\/\/www.fries-gmbh.de\/wp-content\/uploads\/2022\/02\/AdobeStock_12730836.jpeg","contentUrl":"https:\/\/www.fries-gmbh.de\/wp-content\/uploads\/2022\/02\/AdobeStock_12730836.jpeg","width":2500,"height":2025,"caption":"Fries Maschinen- und Anlagenbau GmbH"},"image":{"@id":"https:\/\/www.fries-gmbh.de\/en\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/pages\/Fries-Maschinen-und-Anlagenbau-GmbH\/303228306853341","https:\/\/www.instagram.com\/fries_gmbh\/"]}]}},"_links":{"self":[{"href":"https:\/\/www.fries-gmbh.de\/en\/wp-json\/wp\/v2\/pages\/2904","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fries-gmbh.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.fries-gmbh.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.fries-gmbh.de\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fries-gmbh.de\/en\/wp-json\/wp\/v2\/comments?post=2904"}],"version-history":[{"count":0,"href":"https:\/\/www.fries-gmbh.de\/en\/wp-json\/wp\/v2\/pages\/2904\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.fries-gmbh.de\/en\/wp-json\/wp\/v2\/pages\/2878"}],"wp:attachment":[{"href":"https:\/\/www.fries-gmbh.de\/en\/wp-json\/wp\/v2\/media?parent=2904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}