{"id":100218,"date":"2026-02-15T20:27:57","date_gmt":"2026-02-15T20:27:57","guid":{"rendered":"https:\/\/vibromera.eu\/?post_type=calculator&#038;p=100218"},"modified":"2026-02-15T20:27:57","modified_gmt":"2026-02-15T20:27:57","slug":"seal-groove-tolerances","status":"publish","type":"calculator","link":"https:\/\/vibromera.eu\/kk\/calculators\/seal-groove-tolerances\/","title":{"rendered":"Seal Groove Tolerances \u2014 ISO 3601 | Free Online Tool"},"content":{"rendered":"\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"WebApplication\",\"name\":\"Seal Groove Tolerances ISO 3601\",\"description\":\"Seal groove dimension and tolerance lookup per ISO 3601.\",\"url\":\"https:\/\/vibromera.eu\/calculators\/seal-groove-tolerances\/\",\"applicationCategory\":\"Engineering Calculator\",\"operatingSystem\":\"Any\",\"offers\":{\"@type\":\"Offer\",\"price\":\"0\",\"priceCurrency\":\"EUR\"},\"creator\":{\"@type\":\"Organization\",\"name\":\"Vibromera\",\"url\":\"https:\/\/vibromera.eu\/\"},\"datePublished\":\"2025-01-01\",\"dateModified\":\"2026-02-15\",\"inLanguage\":\"en\",\"isAccessibleForFree\":true}<\/script>\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[\n{\"@type\":\"Question\",\"name\":\"What is ISO 3601?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"ISO 3601 is a multi-part standard for O-rings and their groove dimensions. Part 1 covers O-ring sizes, Part 2 covers housing dimensions (grooves) for general applications, Part 3 covers quality acceptance criteria, and Part 4 covers anti-extrusion rings (backup rings).\"}},\n{\"@type\":\"Question\",\"name\":\"How much compression should an O-ring have?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Typical O-ring compression (squeeze) is 10\u201330% of the cross-section diameter. For static seals: 15\u201325%. For dynamic seals: 10\u201320%. Too much compression increases friction; too little causes leakage.\"}},\n{\"@type\":\"Question\",\"name\":\"What surface finish is required for O-ring grooves?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For static seals: Ra \u2264 3.2 \u03bcm on groove surfaces. For dynamic seals: Ra \u2264 0.4 \u03bcm on the sliding surface, Ra \u2264 1.6 \u03bcm on groove bottom and sides. No sharp edges; break all corners with R0.2\u20130.5 mm.\"}},\n{\"@type\":\"Question\",\"name\":\"How do I calculate groove depth for an O-ring?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Groove depth = O-ring cross-section \u00d7 (1 - squeeze ratio). For example, with a 3.53mm cross-section and 20% squeeze: groove depth = 3.53 \u00d7 0.80 = 2.82mm. Add tolerance per ISO 3601-2.\"}},\n{\"@type\":\"Question\",\"name\":\"What is the groove fill ratio?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Groove fill ratio is the percentage of groove volume occupied by the O-ring. Recommended: 70\u201385% for static, 75\u201385% for dynamic. Below 60% risks spiral failure in dynamic applications. Above 90% risks hydraulic lock.\"}}\n]}<\/script>\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vibromera.eu\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Calculators\",\"item\":\"https:\/\/vibromera.eu\/calculators\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Seal Groove Tolerances\",\"item\":\"https:\/\/vibromera.eu\/calculators\/seal-groove-tolerances\/\"}]}<\/script>\n\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&#038;family=JetBrains+Mono:wght@400;500;600&#038;family=Fraunces:opsz,wght@9..144,700;9..144,800&#038;display=swap\" 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16px;font-size:13px;color:var(--vc-ink-muted)}.vc-footer a{color:var(--vc-accent);text-decoration:none}.vc-footer a:hover{text-decoration:underline}.vc-footer-links{margin-top:8px;font-size:12px}.vc-footer-links a{margin:0 8px}\n@media print{.vc-section-body{max-height:none!important}.vc-faq-a{max-height:none!important}.vc-results{max-height:none!important;padding:24px!important}.vc-copy-btn,.vc-section-chevron,.vc-faq-chevron,.vc-presets,.vc-promo{display:none!important}}<\/style>\n\n<div class=\"vc-calculator\">\n<header class=\"vc-header\">\n    <p class=\"vc-header-eyebrow\">Free Engineering Tool<\/p>\n    <h1 class=\"vc-header-title\">Seal Groove Tolerances \u2014 ISO 3601<\/h1>\n    <p class=\"vc-header-subtitle\">Look up O-ring groove dimensions and tolerances per ISO 3601. Select seal type and cross-section size to see groove depth, width, and surface finish requirements.<\/p>\n    <div class=\"vc-badges\"><span class=\"vc-badge\">ISO 3601-2<\/span><span class=\"vc-badge\">O-Ring Grooves<\/span><span class=\"vc-badge\">Static &amp; Dynamic<\/span><\/div>\n<\/header>\n<div class=\"vc-card\">\n    <form class=\"vc-form\" id=\"vc-form\" autocomplete=\"off\">\n        <div class=\"vc-form-grid\">\n            <div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-app\">Application<\/label>\n                <select class=\"vc-select\" id=\"vc-app\">\n                    <option value=\"static\" selected>Static (face seal)<\/option>\n                    <option value=\"piston\">Dynamic \u2014 Piston seal<\/option>\n                    <option value=\"rod\">Dynamic \u2014 Rod seal<\/option>\n                <\/select>\n            <\/div>\n            <div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-cs\">O-Ring Cross-Section (d2) <span class=\"vc-label-hint\">(mm)<\/span><\/label>\n                <select class=\"vc-select\" id=\"vc-cs\">\n                    <option value=\"1.78\" data-gd-s=\"1.35\" data-gw-s=\"2.5\" data-gd-d=\"1.47\" data-gw-d=\"2.4\">1.78 mm<\/option>\n                    <option value=\"2.62\" data-gd-s=\"2.05\" data-gw-s=\"3.6\" data-gd-d=\"2.20\" data-gw-d=\"3.4\" selected>2.62 mm<\/option>\n                    <option value=\"3.53\" data-gd-s=\"2.82\" data-gw-s=\"4.7\" data-gd-d=\"2.95\" data-gw-d=\"4.6\">3.53 mm<\/option>\n                    <option value=\"5.33\" data-gd-s=\"4.34\" data-gw-s=\"7.0\" data-gd-d=\"4.50\" data-gw-d=\"6.9\">5.33 mm<\/option>\n                    <option value=\"6.99\" data-gd-s=\"5.74\" data-gw-s=\"9.1\" data-gd-d=\"5.90\" data-gw-d=\"9.0\">6.99 mm<\/option>\n                <\/select>\n            <\/div>\n        <\/div>\n        <div class=\"vc-presets\">\n            <div class=\"vc-presets-label\">Common sizes<\/div>\n            <button type=\"button\" class=\"vc-preset-btn\" data-a=\"static\" data-cs=\"2.62\">Static 2.62mm<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-a=\"piston\" data-cs=\"3.53\">Piston 3.53mm<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-a=\"rod\" data-cs=\"3.53\">Rod 3.53mm<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-a=\"static\" data-cs=\"5.33\">Static 5.33mm<\/button>\n        <\/div>\n    <\/form>\n    <div class=\"vc-results\" id=\"vc-results\">\n        <div class=\"vc-results-head\"><h2 class=\"vc-results-title\">Groove Dimensions<\/h2><button type=\"button\" class=\"vc-copy-btn\" id=\"vc-copy-btn\"><svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><rect x=\"9\" y=\"9\" width=\"13\" height=\"13\" rx=\"2\"\/><path d=\"M5 15H4a2 2 0 01-2-2V4a2 2 0 012-2h9a2 2 0 012 2v1\"\/><\/svg> Copy<\/button><\/div>\n        <div class=\"vc-result-grid\">\n            <div class=\"vc-rcard vc-rcard-primary\"><div class=\"vc-rcard-label\">Groove Depth<\/div><div class=\"vc-rcard-value\" id=\"vc-r-depth\">\u2014<\/div><\/div>\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Groove Width<\/div><div class=\"vc-rcard-value\" id=\"vc-r-width\">\u2014<\/div><\/div>\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Squeeze (%)<\/div><div class=\"vc-rcard-value\" id=\"vc-r-squeeze\">\u2014<\/div><\/div>\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Surface Finish<\/div><div class=\"vc-rcard-value\" id=\"vc-r-finish\">\u2014<\/div><\/div>\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Edge Break Radius<\/div><div class=\"vc-rcard-value\" id=\"vc-r-edge\">\u2014<\/div><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n<div class=\"vc-section vc-open\"><button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"true\"><span class=\"vc-section-toggle-text\"><span class=\"vc-section-icon\">\ud83d\udcd8<\/span><span class=\"vc-section-title\">Theory<\/span><\/span><svg class=\"vc-section-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/button>\n    <div class=\"vc-section-body\"><div class=\"vc-section-inner vc-theory\">\n        <h3>Groove Depth Calculation<\/h3>\n        <div class=\"vc-formula-box\" id=\"vc-katex-1\"><\/div>\n        <p>Typical squeeze: 15\u201325% for static, 10\u201320% for dynamic seals.<\/p>\n        <h3>Standard Groove Dimensions (ISO 3601-2)<\/h3>\n        <table class=\"vc-table\"><thead><tr><th>d2 (mm)<\/th><th>Groove Depth Static<\/th><th>Groove Width Static<\/th><th>Groove Depth Dynamic<\/th><th>Groove Width Dynamic<\/th><\/tr><\/thead>\n        <tbody>\n            <tr><td>1.78<\/td><td>1.35<\/td><td>2.5<\/td><td>1.47<\/td><td>2.4<\/td><\/tr>\n            <tr><td>2.62<\/td><td>2.05<\/td><td>3.6<\/td><td>2.20<\/td><td>3.4<\/td><\/tr>\n            <tr><td>3.53<\/td><td>2.82<\/td><td>4.7<\/td><td>2.95<\/td><td>4.6<\/td><\/tr>\n            <tr><td>5.33<\/td><td>4.34<\/td><td>7.0<\/td><td>4.50<\/td><td>6.9<\/td><\/tr>\n            <tr><td>6.99<\/td><td>5.74<\/td><td>9.1<\/td><td>5.90<\/td><td>9.0<\/td><\/tr>\n        <\/tbody><\/table>\n        <p>All dimensions in mm. Tolerances: groove depth \u00b10.05 to \u00b10.10 mm, groove width \u00b10.10 to \u00b10.15 mm depending on size.<\/p>\n    <\/div><\/div>\n<\/div>\n<div class=\"vc-section\"><button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"false\"><span class=\"vc-section-toggle-text\"><span class=\"vc-section-icon\">\ud83d\udd17<\/span><span class=\"vc-section-title\">Related<\/span><\/span><svg class=\"vc-section-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/button>\n    <div class=\"vc-section-body\"><div class=\"vc-section-inner\"><div class=\"vc-related\"><a class=\"vc-related-link\" href=\"\/calculators\/shaft-seal-selection\/\">Shaft Seal Selection<\/a><\/div><\/div><\/div>\n<\/div>\n<div class=\"vc-section\"><button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"false\"><span class=\"vc-section-toggle-text\"><span class=\"vc-section-icon\">\u2753<\/span><span class=\"vc-section-title\">FAQ<\/span><\/span><svg class=\"vc-section-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/button>\n    <div class=\"vc-section-body\"><div class=\"vc-section-inner\"><div class=\"vc-faq-list\" id=\"vc-faq-list\"><\/div><\/div><\/div>\n<\/div>\n<div class=\"vc-promo\"><div class=\"vc-promo-text\"><strong>Vibromera<\/strong> \u2014 Engineering tools.<\/div><a class=\"vc-promo-link\" href=\"https:\/\/vibromera.eu\/\" target=\"_blank\" rel=\"noopener\">Learn More<\/a><\/div>\n<footer class=\"vc-footer\"><p>\u00a9 2024\u20132026 <a href=\"https:\/\/vibromera.eu\/\">Vibromera<\/a><\/p><div class=\"vc-footer-links\"><a href=\"\/calculators\/engineering-calculators\/\">All Calculators<\/a><a href=\"https:\/\/vibromera.eu\/contacts\/\">Contact<\/a><\/div><\/footer>\n<\/div>\n<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/katex@0.16.11\/dist\/katex.min.js\"><\/script>\n<script>\n(function(){\n    'use strict';\n    function $(id){return document.getElementById(id)}\n    function fmt(n,d){if(isNaN(n)||!isFinite(n))return '\u2014';return n.toFixed(d===undefined?2:d).replace(\/(\\.\\d*?)0+$\/,'$1').replace(\/\\.$\/,'')}\n    function calculate(){\n        var app=$('vc-app').value;\n        var o=$('vc-cs').selectedOptions[0];\n        var cs=parseFloat(o.value);\n        var isDyn=app!=='static';\n        var gd=parseFloat(o.getAttribute(isDyn?'data-gd-d':'data-gd-s'));\n        var gw=parseFloat(o.getAttribute(isDyn?'data-gw-d':'data-gw-s'));\n        var squeeze=(1-gd\/cs)*100;\n        var raSlide=isDyn?'Ra \u2264 0.4 \u03bcm':'Ra \u2264 3.2 \u03bcm';\n        var raGroove=isDyn?'Ra \u2264 1.6 \u03bcm':'Ra \u2264 3.2 \u03bcm';\n        $('vc-r-depth').innerHTML=fmt(gd,2)+' <span class=\"vc-rcard-unit\">mm<\/span> <span class=\"vc-rcard-unit\">(\u00b10.05)<\/span>';\n        $('vc-r-width').innerHTML=fmt(gw,1)+' <span class=\"vc-rcard-unit\">mm<\/span> <span class=\"vc-rcard-unit\">(\u00b10.10)<\/span>';\n        $('vc-r-squeeze').innerHTML=fmt(squeeze,1)+' <span class=\"vc-rcard-unit\">%<\/span>';\n        $('vc-r-finish').innerHTML=raSlide+' <span class=\"vc-rcard-unit\">(sliding), '+raGroove+' (groove)<\/span>';\n        $('vc-r-edge').innerHTML='R 0.2 \u2013 0.5 <span class=\"vc-rcard-unit\">mm<\/span>';\n        $('vc-results').classList.add('vc-visible');\n    }\n    document.querySelectorAll('.vc-preset-btn').forEach(function(b){b.addEventListener('click',function(e){e.preventDefault();$('vc-app').value=this.getAttribute('data-a');$('vc-cs').value=this.getAttribute('data-cs');calculate()})});\n    $('vc-form').addEventListener('change',calculate);\n    $('vc-copy-btn').addEventListener('click',function(){var text='Seal Groove (ISO 3601)\\nApplication: '+$('vc-app').value+'\\nCross-section: '+$('vc-cs').value+'mm\\nGroove depth: '+$('vc-r-depth').textContent+'\\nGroove width: '+$('vc-r-width').textContent+'\\nSqueeze: '+$('vc-r-squeeze').textContent+'\\nvibromera.eu';if(navigator.clipboard){navigator.clipboard.writeText(text).then(function(){var b=$('vc-copy-btn');b.classList.add('vc-copied');b.innerHTML='Copied!';setTimeout(function(){b.classList.remove('vc-copied');b.innerHTML='<svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><rect x=\"9\" y=\"9\" width=\"13\" height=\"13\" rx=\"2\"\/><path d=\"M5 15H4a2 2 0 01-2-2V4a2 2 0 012-2h9a2 2 0 012 2v1\"\/><\/svg> Copy'},2000)})}});\n    document.querySelectorAll('.vc-section-toggle').forEach(function(btn){btn.addEventListener('click',function(){var s=this.closest('.vc-section');s.classList.toggle('vc-open');this.setAttribute('aria-expanded',s.classList.contains('vc-open'))})});\n    var faqData=[{q:'What is ISO 3601?',a:'<p>Multi-part standard for O-rings. Part 1: sizes. Part 2: groove dimensions. Part 3: quality. Part 4: backup rings.<\/p>'},{q:'How much O-ring compression?',a:'<p>Static: 15\u201325%. Dynamic: 10\u201320%. Too much = friction; too little = leakage.<\/p>'},{q:'Surface finish for O-ring grooves?',a:'<p>Static: Ra \u2264 3.2 \u03bcm. Dynamic sliding: Ra \u2264 0.4 \u03bcm, groove: Ra \u2264 1.6 \u03bcm. Break all edges R0.2\u20130.5.<\/p>'},{q:'How to calculate groove depth?',a:'<p>Depth = d2 \u00d7 (1 \u2212 squeeze). E.g., 3.53mm \u00d7 0.80 = 2.82mm for 20% squeeze.<\/p>'},{q:'What is groove fill ratio?',a:'<p>% of groove volume occupied by O-ring. Target: 70\u201385%. Below 60% risks spiral failure; above 90% risks hydraulic lock.<\/p>'}];\n    var fl=$('vc-faq-list');faqData.forEach(function(f){fl.innerHTML+='<div class=\"vc-faq-item\"><button type=\"button\" class=\"vc-faq-q\"><span>'+f.q+'<\/span><svg class=\"vc-faq-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/button><div class=\"vc-faq-a\"><div class=\"vc-faq-a-inner\">'+f.a+'<\/div><\/div><\/div>'});\n    fl.addEventListener('click',function(e){var b=e.target.closest('.vc-faq-q');if(b)b.closest('.vc-faq-item').classList.toggle('vc-open')});\n    function renderFormulas(){try{katex.render('\\\\text{Groove Depth} = d_2 \\\\times (1 - \\\\text{squeeze}) \\\\quad [\\\\text{mm}]',$('vc-katex-1'),{displayMode:true,throwOnError:false})}catch(e){}}\n    function init(){renderFormulas();calculate()}\n    if(document.readyState==='loading'){document.addEventListener('DOMContentLoaded',init)}else{init()}\n})();\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Free online seal groove tolerance lookup per ISO 3601. Enter seal type and shaft\/bore diameter to see groove dimensions, tolerances, and surface finish requirements.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[],"tags":[],"class_list":["post-100218","calculator","type-calculator","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/kk\/wp-json\/wp\/v2\/calculator\/100218","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/kk\/wp-json\/wp\/v2\/calculator"}],"about":[{"href":"https:\/\/vibromera.eu\/kk\/wp-json\/wp\/v2\/types\/calculator"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/kk\/wp-json\/wp\/v2\/calculator\/100218\/revisions"}],"predecessor-version":[{"id":100533,"href":"https:\/\/vibromera.eu\/kk\/wp-json\/wp\/v2\/calculator\/100218\/revisions\/100533"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/kk\/wp-json\/wp\/v2\/media?parent=100218"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/kk\/wp-json\/wp\/v2\/categories?post=100218"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/kk\/wp-json\/wp\/v2\/tags?post=100218"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}