{"id":100029,"date":"2026-02-15T20:07:16","date_gmt":"2026-02-15T20:07:16","guid":{"rendered":"https:\/\/vibromera.eu\/?post_type=calculator&#038;p=100029"},"modified":"2026-02-15T20:07:16","modified_gmt":"2026-02-15T20:07:16","slug":"bearing-static-load-rating","status":"publish","type":"calculator","link":"https:\/\/vibromera.eu\/bn\/calculators\/bearing-static-load-rating\/","title":{"rendered":"Bearing Static Safety Factor Calculator | ISO 76 | Free Online Tool"},"content":{"rendered":"\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"WebApplication\",\"name\":\"Bearing Static Safety Factor Calculator\",\"alternateName\":[\"s0 Calculator\",\"ISO 76 Static Load Calculator\",\"Bearing Static Load Rating\"],\"description\":\"Free online calculator for bearing static safety factor s0 = C0\/P0 per ISO 76. Shows minimum safety factor recommendations for various applications.\",\"url\":\"https:\/\/vibromera.eu\/calculators\/bearing-static-load-rating\/\",\"applicationCategory\":\"Engineering Calculator\",\"operatingSystem\":\"Any (Web Browser)\",\"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,\"featureList\":[\"Static safety factor s0 calculation\",\"Minimum s0 recommendations by application\",\"Pass\/fail assessment\",\"Auto-calculation on input change\",\"Preset examples\"],\"keywords\":\"static safety factor, s0, C0, P0, ISO 76, bearing static load\"}\n<\/script>\n\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[\n{\"@type\":\"Question\",\"name\":\"What is the bearing static safety factor s0?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The static safety factor s0 is the ratio of the basic static load rating C0 to the actual static equivalent load P0. It ensures the bearing does not suffer permanent deformation under static or shock loads. s0 = C0 \/ P0.\"}},\n{\"@type\":\"Question\",\"name\":\"What is the minimum recommended s0 value?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Minimum s0 depends on the application: s0 \u2265 1.0 for normal quiet operation with ball bearings, s0 \u2265 1.5 for roller bearings under normal loads, s0 \u2265 2.0 for shock loads or vibrating equipment, and s0 \u2265 3.0 for high reliability or safety-critical applications.\"}},\n{\"@type\":\"Question\",\"name\":\"What happens if s0 is too low?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"If s0 is below the recommended minimum, the bearing may develop permanent indentations (brinelling) in the raceways. This leads to increased noise, vibration, and premature fatigue failure.\"}},\n{\"@type\":\"Question\",\"name\":\"How do I determine the static equivalent load P0?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For radial bearings: P0 = X0\u00b7Fr + Y0\u00b7Fa, or P0 = Fr (whichever is larger). For thrust bearings: P0 = Fa + 2.3\u00b7Fr\u00b7tan(\u03b1). The factors X0 and Y0 depend on the bearing type.\"}},\n{\"@type\":\"Question\",\"name\":\"Does s0 apply to rotating bearings?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"s0 is primarily for static or very slow rotation conditions (n < 10 RPM), or for shock\/impact loads during operation. For normal rotating conditions, the dynamic load rating C and fatigue life L10 are used instead.\"}}\n]}\n<\/script>\n\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[\n{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vibromera.eu\/\"},\n{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Calculators\",\"item\":\"https:\/\/vibromera.eu\/calculators\/\"},\n{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Bearing Static Safety Factor\",\"item\":\"https:\/\/vibromera.eu\/calculators\/bearing-static-load-rating\/\"}\n]}\n<\/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 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P<sub>0<\/sub> per ISO 76. Check if your bearing meets minimum safety factor requirements.<\/p>\n    <div class=\"vc-badges\">\n        <span class=\"vc-badge\">ISO 76<\/span>\n        <span class=\"vc-badge\">s\u2080 = C\u2080\/P\u2080<\/span>\n        <span class=\"vc-badge\">Safety Assessment<\/span>\n    <\/div>\n<\/header>\n\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\">\n                <label class=\"vc-label\" for=\"vc-C0\">Basic Static Load Rating C<sub>0<\/sub> <span class=\"vc-label-hint\">(kN)<\/span><\/label>\n                <input class=\"vc-input\" type=\"number\" id=\"vc-C0\" inputmode=\"decimal\" step=\"any\" min=\"0.01\" placeholder=\"e.g. 31.5\" value=\"31.5\">\n            <\/div>\n            <div class=\"vc-field\">\n                <label class=\"vc-label\" for=\"vc-P0\">Static Equivalent Load P<sub>0<\/sub> <span class=\"vc-label-hint\">(kN)<\/span><\/label>\n                <input class=\"vc-input\" type=\"number\" id=\"vc-P0\" inputmode=\"decimal\" step=\"any\" min=\"0.01\" placeholder=\"e.g. 12\" value=\"12\">\n            <\/div>\n            <div class=\"vc-field\">\n                <label class=\"vc-label\" for=\"vc-app\">Application Type<\/label>\n                <select class=\"vc-select\" id=\"vc-app\">\n                    <option value=\"1.0\" selected>Normal quiet operation (ball bearing)<\/option>\n                    <option value=\"1.5\">Normal operation (roller bearing)<\/option>\n                    <option value=\"2.0\">Shock \/ vibrating equipment<\/option>\n                    <option value=\"3.0\">High reliability \/ safety-critical<\/option>\n                    <option value=\"0.5\">Low requirement \/ light load<\/option>\n                <\/select>\n            <\/div>\n            <div class=\"vc-field\">\n                <label class=\"vc-label\" for=\"vc-btype\">Bearing Type<\/label>\n                <select class=\"vc-select\" id=\"vc-btype\">\n                    <option value=\"ball\" selected>Ball bearing<\/option>\n                    <option value=\"roller\">Roller bearing<\/option>\n                    <option value=\"needle\">Needle roller bearing<\/option>\n                    <option value=\"spherical\">Spherical roller bearing<\/option>\n                <\/select>\n            <\/div>\n        <\/div>\n\n        <div class=\"vc-presets\">\n            <div class=\"vc-presets-label\">Quick presets<\/div>\n            <button type=\"button\" class=\"vc-preset-btn\" data-c0=\"31.5\" data-p0=\"12\" data-app=\"1.0\">6208 \/ 12 kN radial<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-c0=\"19.0\" data-p0=\"5\" data-app=\"1.0\">6205 \/ 5 kN light load<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-c0=\"108\" data-p0=\"40\" data-app=\"2.0\">NU310 \/ 40 kN shock<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-c0=\"450\" data-p0=\"100\" data-app=\"3.0\">Large SRB \/ safety-critical<\/button>\n        <\/div>\n    <\/form>\n\n    <div class=\"vc-results\" id=\"vc-results\">\n        <div class=\"vc-results-head\">\n            <h2 class=\"vc-results-title\">Results<\/h2>\n            <button type=\"button\" class=\"vc-copy-btn\" id=\"vc-copy-btn\">\n                <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>\n                Copy\n            <\/button>\n        <\/div>\n        <div class=\"vc-result-grid\">\n            <div class=\"vc-rcard vc-rcard-primary\">\n                <div class=\"vc-rcard-label\">Static Safety Factor s\u2080<\/div>\n                <div class=\"vc-rcard-value\" id=\"vc-r-s0\">\u2014<\/div>\n            <\/div>\n            <div class=\"vc-rcard\">\n                <div class=\"vc-rcard-label\">Minimum Required s\u2080<\/div>\n                <div class=\"vc-rcard-value\" id=\"vc-r-s0min\">\u2014<\/div>\n            <\/div>\n            <div class=\"vc-rcard\">\n                <div class=\"vc-rcard-label\">Assessment<\/div>\n                <div class=\"vc-rcard-value\" id=\"vc-r-assess\">\u2014<\/div>\n            <\/div>\n            <div class=\"vc-rcard\">\n                <div class=\"vc-rcard-label\">Safety Margin<\/div>\n                <div class=\"vc-rcard-value\" id=\"vc-r-margin\">\u2014<\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<!-- Theory -->\n<div class=\"vc-section vc-open\" id=\"vc-sec-theory\">\n    <button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"true\">\n        <span class=\"vc-section-toggle-text\"><span class=\"vc-section-icon\">\ud83d\udcd8<\/span><span class=\"vc-section-title\">Theory &amp; Formulas<\/span><\/span>\n        <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>\n    <\/button>\n    <div class=\"vc-section-body\">\n        <div class=\"vc-section-inner vc-theory\">\n            <h3>Static Safety Factor<\/h3>\n            <p>Per ISO 76, the static safety factor is the ratio of the basic static load rating to the actual static equivalent load:<\/p>\n            <div class=\"vc-formula-box\" id=\"vc-katex-1\"><\/div>\n            <ul>\n                <li><strong>C<sub>0<\/sub><\/strong> \u2014 basic static load rating (kN), from bearing catalog<\/li>\n                <li><strong>P<sub>0<\/sub><\/strong> \u2014 static equivalent load (kN), calculated from actual radial &amp; axial forces<\/li>\n            <\/ul>\n\n            <h3>Minimum s<sub>0<\/sub> Recommendations<\/h3>\n            <table class=\"vc-table\">\n                <thead><tr><th>Application<\/th><th>Ball Bearings<\/th><th>Roller Bearings<\/th><\/tr><\/thead>\n                <tbody>\n                    <tr><td>Low noise \/ smooth running<\/td><td>\u2265 2.0<\/td><td>\u2265 3.0<\/td><\/tr>\n                    <tr><td>Normal quiet operation<\/td><td>\u2265 1.0<\/td><td>\u2265 1.5<\/td><\/tr>\n                    <tr><td>Vibrating \/ shock loads<\/td><td>\u2265 1.5<\/td><td>\u2265 2.0<\/td><\/tr>\n                    <tr><td>High reliability \/ safety<\/td><td>\u2265 2.0<\/td><td>\u2265 3.0<\/td><\/tr>\n                    <tr><td>Light load, hand rotation<\/td><td>\u2265 0.5<\/td><td>\u2265 1.0<\/td><\/tr>\n                <\/tbody>\n            <\/table>\n\n            <h3>Practical Example<\/h3>\n            <div class=\"vc-example-box\">\n                <div class=\"vc-example-title\">Example \u2014 6208 Deep Groove Ball Bearing<\/div>\n                <p><strong>Given:<\/strong> C<sub>0<\/sub> = 31.5 kN, P<sub>0<\/sub> = 12 kN, normal operation<\/p>\n                <p>s<sub>0<\/sub> = 31.5 \/ 12 = <strong>2.63<\/strong><\/p>\n                <p>Minimum required: s<sub>0<\/sub> \u2265 1.0 \u2192 <strong>PASS<\/strong> (margin +163%)<\/p>\n            <\/div>\n\n            <div class=\"vc-info-box\">\n                <p><strong>\u2139\ufe0f Tip:<\/strong> For bearings subjected to shock loads during operation (e.g., jaw crushers, vibrating screens), always check s<sub>0<\/sub> in addition to the dynamic life calculation.<\/p>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<!-- Related -->\n<div class=\"vc-section\" id=\"vc-sec-related\">\n    <button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"false\">\n        <span class=\"vc-section-toggle-text\"><span class=\"vc-section-icon\">\ud83d\udd17<\/span><span class=\"vc-section-title\">Related Calculators<\/span><\/span>\n        <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>\n    <\/button>\n    <div class=\"vc-section-body\">\n        <div class=\"vc-section-inner\">\n            <div class=\"vc-related\">\n                <a class=\"vc-related-link\" href=\"\/calculators\/bearing-modified-life-l10a\/\">Bearing Modified Life L10a<\/a>\n                <a class=\"vc-related-link\" href=\"\/calculators\/bearing-equivalent-load\/\">Bearing Equivalent Load<\/a>\n                <a class=\"vc-related-link\" href=\"\/calculators\/bearing-minimum-load\/\">Bearing Minimum Load<\/a>\n                <a class=\"vc-related-link\" href=\"\/calculators\/bearing-fit-tolerance\/\">Bearing Fit Tolerance<\/a>\n                <a class=\"vc-related-link\" href=\"\/calculators\/bearing-damage-classifier\/\">Bearing Damage Classifier<\/a>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<!-- FAQ -->\n<div class=\"vc-section\" id=\"vc-sec-faq\">\n    <button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"false\">\n        <span class=\"vc-section-toggle-text\"><span class=\"vc-section-icon\">\u2753<\/span><span class=\"vc-section-title\">Frequently Asked Questions<\/span><\/span>\n        <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>\n    <\/button>\n    <div class=\"vc-section-body\">\n        <div class=\"vc-section-inner\">\n            <div class=\"vc-faq-list\" id=\"vc-faq-list\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<div class=\"vc-promo\">\n    <div class=\"vc-promo-text\"><strong>Vibromera \u2014 Portable Balancing &amp; Vibration Analysis<\/strong><br>Professional field balancing instruments and vibration analyzers. Monitor bearing condition on-site. Used in 50+ countries.<\/div>\n    <a class=\"vc-promo-link\" href=\"https:\/\/vibromera.eu\/\" target=\"_blank\" rel=\"noopener\">Learn More<\/a>\n<\/div>\n\n<footer class=\"vc-footer\">\n    <p>\u00a9 2024\u20132026 <a href=\"https:\/\/vibromera.eu\/\">Vibromera<\/a> \u2014 Engineering Calculators<\/p>\n    <p style=\"font-size:12px;margin-top:4px;\">Based on ISO 76. Calculator #045. Last updated: February 2026<\/p>\n    <div class=\"vc-footer-links\"><a href=\"\/calculators\/engineering-calculators\/\">All Calculators<\/a><a href=\"https:\/\/vibromera.eu\/contacts\/\">Contact<\/a><\/div>\n<\/footer>\n\n<\/div>\n\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    var SLUG='bearing-static-load-rating';\n    function $(id){return document.getElementById(id)}\n    function fmt(n,d){if(isNaN(n)||!isFinite(n))return'\u2014';var f=n.toFixed(d===undefined?2:d);return f.replace(\/(\\.\\d*?)0+$\/,'$1').replace(\/\\.$\/,'')}\n\n    function calculate(){\n        var C0=parseFloat($('vc-C0').value);\n        var P0=parseFloat($('vc-P0').value);\n        var s0min=parseFloat($('vc-app').value);\n        if(!C0||C0<=0||!P0||P0<=0){$('vc-results').classList.remove('vc-visible');return;}\n        var s0=C0\/P0;\n        var margin=((s0\/s0min)-1)*100;\n        var status,cls;\n        if(s0>=s0min*1.5){status='EXCELLENT';cls='vc-status-pass';}\n        else if(s0>=s0min){status='PASS';cls='vc-status-pass';}\n        else if(s0>=s0min*0.8){status='MARGINAL';cls='vc-status-warn';}\n        else{status='FAIL \u2014 Bearing undersized';cls='vc-status-fail';}\n\n        $('vc-r-s0').innerHTML=fmt(s0,2);\n        $('vc-r-s0min').innerHTML='\u2265 '+fmt(s0min,1);\n        $('vc-r-assess').innerHTML='<span class=\"'+cls+'\">'+status+'<\/span>';\n        $('vc-r-margin').innerHTML=(margin>=0?'+':'')+fmt(margin,0)+' <span class=\"vc-rcard-unit\">%<\/span>';\n        $('vc-results').classList.add('vc-visible');\n\n        var u=new URL(window.location);u.searchParams.set('C0',C0);u.searchParams.set('P0',P0);u.searchParams.set('app',s0min);history.replaceState(null,'',u.toString());\n        saveHistory({C0:C0,P0:P0,s0min:s0min,_summary:'C0='+C0+'kN, P0='+P0+'kN \u2192 s0='+fmt(s0,2)});\n    }\n\n    document.querySelectorAll('.vc-preset-btn').forEach(function(btn){\n        btn.addEventListener('click',function(e){e.preventDefault();\n            $('vc-C0').value=this.getAttribute('data-c0');\n            $('vc-P0').value=this.getAttribute('data-p0');\n            $('vc-app').value=this.getAttribute('data-app');\n            calculate();\n        });\n    });\n\n    $('vc-form').addEventListener('input',calculate);\n    $('vc-form').addEventListener('change',calculate);\n\n    $('vc-copy-btn').addEventListener('click',function(){\n        var text='Bearing Static Safety Factor\\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\\nC0 = '+$('vc-C0').value+' kN\\nP0 = '+$('vc-P0').value+' kN\\ns0 = '+$('vc-r-s0').textContent+'\\nAssessment: '+$('vc-r-assess').textContent+'\\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\\nvibromera.eu';\n        if(navigator.clipboard){navigator.clipboard.writeText(text).then(function(){var b=$('vc-copy-btn');b.classList.add('vc-copied');b.innerHTML='<svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg> 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    });\n\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\n    var faqData=[\n        {q:'What is the bearing static safety factor s0?',a:'<p>The static safety factor s<sub>0<\/sub> is the ratio of the basic static load rating C<sub>0<\/sub> to the actual static equivalent load P<sub>0<\/sub>. It ensures the bearing does not suffer permanent deformation (brinelling) under static or shock loads.<\/p>'},\n        {q:'What is the minimum recommended s0 value?',a:'<p>Minimum s<sub>0<\/sub> depends on the application:<\/p><ul><li><strong>s<sub>0<\/sub> \u2265 1.0<\/strong> \u2014 normal quiet operation (ball bearings)<\/li><li><strong>s<sub>0<\/sub> \u2265 1.5<\/strong> \u2014 roller bearings, normal loads<\/li><li><strong>s<sub>0<\/sub> \u2265 2.0<\/strong> \u2014 shock loads, vibrating equipment<\/li><li><strong>s<sub>0<\/sub> \u2265 3.0<\/strong> \u2014 safety-critical applications<\/li><\/ul>'},\n        {q:'What happens if s0 is too low?',a:'<p>If s<sub>0<\/sub> is below the recommended minimum, the bearing raceways may develop permanent indentations (brinelling). This leads to increased noise, vibration, and premature fatigue failure. Even a single overload event can cause irreversible damage.<\/p>'},\n        {q:'How do I determine the static equivalent load P0?',a:'<p>For radial bearings: P<sub>0<\/sub> = max(X<sub>0<\/sub>\u00b7F<sub>r<\/sub> + Y<sub>0<\/sub>\u00b7F<sub>a<\/sub>, F<sub>r<\/sub>). For thrust bearings: P<sub>0<\/sub> = F<sub>a<\/sub> + 2.3\u00b7F<sub>r<\/sub>\u00b7tan(\u03b1). The factors X<sub>0<\/sub> and Y<sub>0<\/sub> are listed in bearing catalogs.<\/p>'},\n        {q:'Does s0 apply to rotating bearings?',a:'<p>s<sub>0<\/sub> is primarily for static or very slow rotation conditions (n < 10 RPM), or for shock and impact loads that occur during operation. For normal rotating conditions, use the dynamic load rating C and the L<sub>10<\/sub> life calculation instead.<\/p>'}\n    ];\n    var fl=$('vc-faq-list');faqData.forEach(function(f){fl.innerHTML+='<div class=\"vc-faq-item\"><button type=\"button\" class=\"vc-faq-q\"><span>'+f.q+'<\/span><svg class=\"vc-faq-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/button><div class=\"vc-faq-a\"><div class=\"vc-faq-a-inner\">'+f.a+'<\/div><\/div><\/div>';});\n    fl.addEventListener('click',function(e){var b=e.target.closest('.vc-faq-q');if(b)b.closest('.vc-faq-item').classList.toggle('vc-open');});\n\n    function saveHistory(entry){var key='vc_history_'+SLUG;var arr=[];try{arr=JSON.parse(localStorage.getItem(key))||[];}catch(e){}entry._ts=new Date().toISOString();arr.unshift(entry);if(arr.length>10)arr=arr.slice(0,10);try{localStorage.setItem(key,JSON.stringify(arr));}catch(e){}}\n    function loadParams(){var p=new URLSearchParams(window.location.search);p.forEach(function(v,k){var el=$(k)||$('vc-'+k);if(el)el.value=v;});}\n    function renderFormulas(){try{katex.render('s_0 = \\\\frac{C_0}{P_0} \\\\geq s_{0,\\\\min}',$('vc-katex-1'),{displayMode:true,throwOnError:false});}catch(e){}}\n    function init(){loadParams();renderFormulas();calculate();}\n    if(document.readyState==='loading'){document.addEventListener('DOMContentLoaded',init);}else{init();}\n})();\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Free online calculator for bearing static safety factor s0 = C0\/P0 per ISO 76. Enter static load rating C0, static equivalent load P0, and get minimum safety factor recommendations.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[],"tags":[],"class_list":["post-100029","calculator","type-calculator","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/calculator\/100029","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/calculator"}],"about":[{"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/types\/calculator"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/calculator\/100029\/revisions"}],"predecessor-version":[{"id":100340,"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/calculator\/100029\/revisions\/100340"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/media?parent=100029"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/categories?post=100029"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/tags?post=100029"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}