{"id":991,"date":"2026-07-01T20:18:12","date_gmt":"2026-07-01T12:18:12","guid":{"rendered":"https:\/\/jnbearings.com\/?p=991"},"modified":"2026-07-01T20:18:13","modified_gmt":"2026-07-01T12:18:13","slug":"deep-groove-ball-bearings-most-common","status":"publish","type":"post","link":"https:\/\/jnbearings.com\/de\/deep-groove-ball-bearings-most-common\/","title":{"rendered":"Tiefenhohlkugellager Am h\u00e4ufigsten vorkommend \u2014 Typen, Anwendungen &amp; Auswahl"},"content":{"rendered":"<p><strong>Deep groove ball bearings most common<\/strong> status across <strong>rolling bearings<\/strong> comes from one layout: <strong>single row<\/strong> geometry, <strong>low friction<\/strong>, <strong>low noise<\/strong>, and simultaneous <strong>radial load<\/strong> plus moderate <strong>axial load capacities<\/strong> in a <strong>versatile<\/strong>, mass-produced package. This guide explains why <strong>DGBBs<\/strong> outrank other <strong>radial balls<\/strong> and <strong>roller bearings<\/strong> in a <strong>wide variety of industries<\/strong>, how deep raceways deliver <strong>high speed capabilities<\/strong>, and when <strong>double row designs<\/strong> or sealed builds beat the <strong>popular<\/strong> open <strong>sizes<\/strong> on your BOM.<\/p>\n<h2>Deep Groove Ball Bearings Most Common Type<\/h2>\n<p><strong>Deep groove ball bearings are the most common<\/strong> rolling-element choice because they combine simple geometry, high-volume economics, and reliable performance without exotic maintenance. The <strong>deep groove ball bearings most common type<\/strong> in distributor catalogs is a <strong>single row<\/strong> assembly \u2014 the layout listed first for general machinery in ISO dimension tables [1].<\/p>\n<h3>Versatility Across Different Industries<\/h3>\n<p><strong>DGBBs<\/strong> adapt across electric motors, automotive accessories, conveyors, and consumer appliances. They handle heavy <strong>radial load<\/strong> with moderate thrust from both directions \u2014 the pairing engineers expect when forces shift during operation.<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">Industry<\/th>\n<th style=\"text-align: left;\">Common Applications<\/th>\n<th style=\"text-align: left;\">Key Requirement Met<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>Automotive<\/strong><\/td>\n<td style=\"text-align: left;\">Alternators, wheels, starters<\/td>\n<td style=\"text-align: left;\"><strong>High speed capabilities<\/strong> &amp; durability<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Industrial Automation<\/strong><\/td>\n<td style=\"text-align: left;\">Conveyors, robotics, gearboxes<\/td>\n<td style=\"text-align: left;\"><strong>Low noise<\/strong> &amp; <strong>low friction<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Consumer Electronics<\/strong><\/td>\n<td style=\"text-align: left;\">Fans, washing machines, power tools<\/td>\n<td style=\"text-align: left;\">Low investment &amp; simple maintenance<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>High-Speed Performance with Low Friction<\/h3>\n<p>Optimized raceway geometry keeps contact between <strong>radial balls<\/strong> and grooves minimal during rotation [2].<\/p>\n<ul>\n<li><strong>Low friction:<\/strong> Less drag lowers heat and energy loss.<\/li>\n<li><strong>High speed capabilities:<\/strong> Smooth rotation supports high RPM limits on motors and spindles.<\/li>\n<li><strong>Low noise:<\/strong> Precision ball-to-groove conformity quiets appliances and HVAC drives.<\/li>\n<\/ul>\n<p>Compared with cylindrical <strong>roller bearings<\/strong>, <strong>deep groove ball bearings<\/strong> trade some peak radial capacity for lower torque and simpler mounting \u2014 the reason they remain the default <strong>rolling bearings<\/strong> in mixed-load general machinery [3].<\/p>\n<h2>How Deep Groove Ball Bearings Work<\/h2>\n<p>Standard <strong>DGBBs<\/strong> use four core parts: outer ring, inner ring, rolling balls, and cage. The cage spaces balls evenly so they do not collide at speed.<\/p>\n<ul>\n<li><strong>Outer ring:<\/strong> Mounts in the housing bore.<\/li>\n<li><strong>Inner ring:<\/strong> Fits the rotating shaft.<\/li>\n<li><strong>Rolling elements:<\/strong> Balls carry combined loads through the grooves.<\/li>\n<li><strong>Cage:<\/strong> Guides balls and retains grease distribution.<\/li>\n<\/ul>\n<h3>Managing Radial and Axial Loads<\/h3>\n<p>Primary duty is <strong>radial load<\/strong> perpendicular to the shaft. Deep grooves also support light-to-moderate <strong>axial load capacities<\/strong> in both directions \u2014 a key reason <strong>deep groove ball bearings most common<\/strong> listings appear in pumps, fans, and gearbox shafts where thrust varies. For rated static and dynamic limits by series, see <a href=\"https:\/\/jnbearings.com\/deep-groove-ball-bearings-load-types\/\">deep groove ball bearings load types<\/a>.<\/p>\n<h3>The Role of the Deep Raceway Grooves<\/h3>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">Feature<\/th>\n<th style=\"text-align: left;\">Industrial Benefit<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>Deep raceway trenches<\/strong><\/td>\n<td style=\"text-align: left;\">High-conformity ball seating limits skidding.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Increased contact area<\/strong><\/td>\n<td style=\"text-align: left;\">Spreads stress under combined loads.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Friction and heat reduction<\/strong><\/td>\n<td style=\"text-align: left;\">Cooler running at <strong>high speed capabilities<\/strong>.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Key Types of Deep Groove Ball Bearings<\/h2>\n<p>The <strong>single row deep groove ball bearing<\/strong> is the <strong>most common type<\/strong> stocked in <strong>popular sizes<\/strong> (6000, 6200, 6300 series). Specialized builds add rows, seals, or materials when duty cycles demand more.<\/p>\n<h3>Single-Row vs. Double-Row Designs<\/h3>\n<ul>\n<li><strong>Single row:<\/strong> Default for <strong>high speed capabilities<\/strong>, <strong>low friction<\/strong>, and standard <strong>radial load<\/strong> duty.<\/li>\n<li><strong>Double row:<\/strong> Higher radial capacity in limited axial space \u2014 specify <a href=\"https:\/\/jnbearings.com\/product\/buy-double-row-deep-groove-ball-bearings\/\">double row deep groove ball bearings<\/a> when load tables exceed single-row ratings.<\/li>\n<\/ul>\n<h3>Shielded vs. Sealed Bearings (ZZ vs. 2RS)<\/h3>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">Type<\/th>\n<th style=\"text-align: left;\">Code<\/th>\n<th style=\"text-align: left;\">Mechanism<\/th>\n<th style=\"text-align: left;\">Best For<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>Shielded<\/strong><\/td>\n<td style=\"text-align: left;\">ZZ<\/td>\n<td style=\"text-align: left;\">Non-contact metal shields<\/td>\n<td style=\"text-align: left;\">Clean rooms, maximum RPM<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Sealed<\/strong><\/td>\n<td style=\"text-align: left;\">2RS<\/td>\n<td style=\"text-align: left;\">Contact rubber seals<\/td>\n<td style=\"text-align: left;\">Dust, moisture, grease retention \u2014 browse <a href=\"https:\/\/jnbearings.com\/product\/sealed-deep-groove-ball-bearings\/\">sealed deep groove ball bearings<\/a> for 2RS part numbers<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Material Options for Extreme Conditions<\/h3>\n<ul>\n<li><strong>Chrome steel (52100):<\/strong> Baseline for most <strong>rolling bearings<\/strong> in factory automation.<\/li>\n<li><strong>Stainless steel:<\/strong> Food, marine, and washdown zones.<\/li>\n<li><strong>Ceramic hybrid:<\/strong> Electrical insulation and extreme RPM \u2014 pair with <a href=\"https:\/\/jnbearings.com\/product\/hybrid-deep-groove-ball-bearings\/\">hybrid deep groove ball bearings<\/a> when arcing or heat limits steel balls.<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/jnbearings.com\/wp-content\/uploads\/2026\/07\/deep_groove_ball_bearings_types_variations_B8C.webp\" alt=\"deep groove ball bearings types variations\" \/><\/p>\n<h2>Deep Groove Ball Bearings Most Common Applications<\/h2>\n<p><strong>Deep groove ball bearings\u2014the most common<\/strong> rolling stock on OEM BOMs \u2014 appear anywhere a shaft must spin quietly under mixed loads.<\/p>\n<h3>Electric Motors and Home Appliances<\/h3>\n<p>Largest volume use: <strong>electric motor bearings<\/strong> in washers, fans, and compressors where <strong>low noise<\/strong> and <strong>low friction<\/strong> matter.<\/p>\n<h3>Automotive Components<\/h3>\n<p><strong>DGBBs<\/strong> support alternators, water pumps, A\/C compressors, and wheel hubs \u2014 each needs reliable <strong>radial load<\/strong> support with moderate thrust.<\/p>\n<h3>Industrial Machinery and Automation Gear<\/h3>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">Application<\/th>\n<th style=\"text-align: left;\">Primary Requirement<\/th>\n<th style=\"text-align: left;\">Why DGBBs Are Used<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>Conveyor Systems<\/strong><\/td>\n<td style=\"text-align: left;\">Continuous runtime<\/td>\n<td style=\"text-align: left;\">Low maintenance &amp; high reliability<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Robotic Arms<\/strong><\/td>\n<td style=\"text-align: left;\">Precision movement<\/td>\n<td style=\"text-align: left;\">Smooth rotation with minimal play<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Power Tools<\/strong><\/td>\n<td style=\"text-align: left;\">High RPMs<\/td>\n<td style=\"text-align: left;\"><strong>High speed capabilities<\/strong> in compact bores<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Office Equipment and Power Tools<\/h3>\n<p>Printers, copiers, and handheld tools use small-bore <strong>radial balls<\/strong> with <strong>shielded ball bearings (ZZ)<\/strong> to block debris while preserving RPM headroom \u2014 a segment merged from high-volume consumer SKUs often omitted in heavy-industry catalogs alone.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/jnbearings.com\/wp-content\/uploads\/2026\/07\/deep_groove_ball_bearings_applications_7a9.webp\" alt=\"deep groove ball bearings applications\" \/><\/p>\n<h2>Pros and Cons of Deep Groove Ball Bearings<\/h2>\n<p>Market share follows a clear trade-off matrix. <strong>Deep groove ball bearings are the most common<\/strong> where moderate loads and high RPM beat peak thrust capacity.<\/p>\n<h3>Why They Dominate the Market<\/h3>\n<ul>\n<li><strong>Low maintenance:<\/strong> Shielded or sealed-for-life options reduce relubrication schedules.<\/li>\n<li><strong>Highly cost-effective:<\/strong> Mass production across <strong>popular sizes<\/strong> keeps unit cost low.<\/li>\n<li><strong>Extreme durability:<\/strong> Premium bearing steel survives continuous duty when aligned.<\/li>\n<li><strong>Low friction &amp; high speed:<\/strong> Geometry minimizes heat at rated RPM.<\/li>\n<\/ul>\n<h3>The Limitations to Keep in Mind<\/h3>\n<ul>\n<li><strong>Axial load limits:<\/strong> Not a substitute for dedicated thrust bearings under heavy unidirectional thrust.<\/li>\n<li><strong>Misalignment sensitivity:<\/strong> Shaft deflection accelerates wear and raises noise.<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/jnbearings.com\/wp-content\/uploads\/2026\/07\/deep_groove_ball_bearings_Yvq.webp\" alt=\"deep groove ball bearings\" \/><\/p>\n<h2>How to Choose the Right Deep Groove Ball Bearing<\/h2>\n<p>Specifying the <strong>deep groove ball bearings most common<\/strong> part number still requires matching clearance, lube, and load ratings to the duty cycle [3].<\/p>\n<h3>Internal Clearance and Tolerance Ratings<\/h3>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">Clearance\/Tolerance<\/th>\n<th style=\"text-align: left;\">Best Used For<\/th>\n<th style=\"text-align: left;\">Key Benefit<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>Standard clearance<\/strong><\/td>\n<td style=\"text-align: left;\">General machinery, low heat<\/td>\n<td style=\"text-align: left;\">Reliable everyday performance<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>C3 clearance<\/strong><\/td>\n<td style=\"text-align: left;\">Electric motors, high-speed rotation<\/td>\n<td style=\"text-align: left;\">Room for heat expansion<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>P6 tolerance<\/strong><\/td>\n<td style=\"text-align: left;\">Precision automation<\/td>\n<td style=\"text-align: left;\">Reduced vibration and <strong>low noise<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Selecting the Right Bearing Lubrication<\/h3>\n<ul>\n<li><strong>Grease:<\/strong> Default for sealed or shielded units \u2014 minimal maintenance.<\/li>\n<li><strong>Oil:<\/strong> High-speed spindles where grease churn losses dominate.<\/li>\n<\/ul>\n<h3>Sizing and Load Capacity Considerations<\/h3>\n<p>Match bore, OD, and width to ISO dimension tables, then verify dynamic and static ratings against combined <strong>radial load<\/strong> and <strong>axial load capacities<\/strong>. When applications need maximum configuration flexibility rather than lowest catalog ubiquity, compare <a href=\"https:\/\/jnbearings.com\/deep-groove-ball-bearings-most-versatile\/\">deep groove ball bearings most versatile<\/a> build options (material, seal, hybrid balls) against this <strong>most common type<\/strong> baseline.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/jnbearings.com\/wp-content\/uploads\/2026\/07\/Most_common_deep_groove_ball_bearing_selection_whO.webp\" alt=\"Most common deep groove ball bearing selection\" \/><\/p>\n<h2>FAQs About Deep Groove Ball Bearings<\/h2>\n<h3>Why are they called deep groove ball bearings?<\/h3>\n<p>Deep, uninterrupted raceway grooves let balls run in a closely fitted channel \u2014 the geometry behind <strong>low friction<\/strong> and why <strong>deep groove ball bearings most common<\/strong> listings lead bearing distributor stock.<\/p>\n<h3>Why are deep groove ball bearings cheaper than other types?<\/h3>\n<p>Global demand drives high-volume production of <strong>single row<\/strong> sizes. Simpler machining versus tapered or spherical <strong>roller bearings<\/strong> keeps <strong>low investment<\/strong> programs on DGBBs for general-duty shafts.<\/p>\n<h3>Can deep groove ball bearings handle axial loads?<\/h3>\n<p>Yes \u2014 moderate <strong>axial load capacities<\/strong> in both directions alongside primary <strong>radial load<\/strong>. Heavy pure thrust still belongs on angular-contact or thrust bearings.<\/p>\n<h3>How long do deep groove ball bearings usually last?<\/h3>\n<p>With correct grease, alignment, and loads within catalog ratings, service life often reaches 5\u201310+ years in industrial motors and conveyors.<\/p>\n<h3>What is the difference between a sealed and shielded bearing?<\/h3>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">Feature<\/th>\n<th style=\"text-align: left;\">Shielded Bearings (ZZ)<\/th>\n<th style=\"text-align: left;\">Sealed Bearings (2RS)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>Material<\/strong><\/td>\n<td style=\"text-align: left;\">Non-contact metal shields<\/td>\n<td style=\"text-align: left;\">Contact rubber seals<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Protection<\/strong><\/td>\n<td style=\"text-align: left;\">Coarse dust exclusion<\/td>\n<td style=\"text-align: left;\">Fine dust and moisture block<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>High speed rotation<\/strong><\/td>\n<td style=\"text-align: left;\">Highest RPM headroom<\/td>\n<td style=\"text-align: left;\">Slightly lower limit from seal drag<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Grease retention<\/strong><\/td>\n<td style=\"text-align: left;\">Good<\/td>\n<td style=\"text-align: left;\">Best<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"references\">\n<h2>References<\/h2>\n<ol>\n<li id=\"ref-1\"><a href=\"https:\/\/www.mdpi.com\/2075-4442\/14\/4\/154\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">MDPI \u2014 Lubricants: Friction and load distribution in deep groove ball bearings<\/a><\/li>\n<li id=\"ref-2\"><a href=\"https:\/\/www.mdpi.com\/2076-3417\/15\/1\/98\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">MDPI \u2014 Applied Sciences: High-speed performance and thermal behavior of rolling element bearings<\/a><\/li>\n<li id=\"ref-3\"><a href=\"https:\/\/www.mdpi.com\/2227-7080\/13\/7\/275\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">MDPI \u2014 Technologies: Bearing selection criteria for industrial applications<\/a><\/li>\n<\/ol>\n<\/div>\n<div id=\"gtx-trans\" style=\"position: absolute; left: 578px; top: 107.913px;\">\n<div class=\"gtx-trans-icon\"><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Warum Tiefenhohlkugellager die am h\u00e4ufigsten vorkommenden W\u00e4lzlager sind \u2014 Einzelreihen-TDGBs, niedrige Reibung, radiale und axiale Lasten und wie man gesch\u00fctzte vs. abgedichtete Gr\u00f6\u00dfen f\u00fcr Motoren und Industrie ausw\u00e4hlt.<\/p>","protected":false},"author":1,"featured_media":986,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-991","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/jnbearings.com\/de\/wp-json\/wp\/v2\/posts\/991","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jnbearings.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jnbearings.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jnbearings.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jnbearings.com\/de\/wp-json\/wp\/v2\/comments?post=991"}],"version-history":[{"count":2,"href":"https:\/\/jnbearings.com\/de\/wp-json\/wp\/v2\/posts\/991\/revisions"}],"predecessor-version":[{"id":1002,"href":"https:\/\/jnbearings.com\/de\/wp-json\/wp\/v2\/posts\/991\/revisions\/1002"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jnbearings.com\/de\/wp-json\/wp\/v2\/media\/986"}],"wp:attachment":[{"href":"https:\/\/jnbearings.com\/de\/wp-json\/wp\/v2\/media?parent=991"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jnbearings.com\/de\/wp-json\/wp\/v2\/categories?post=991"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jnbearings.com\/de\/wp-json\/wp\/v2\/tags?post=991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}