{"id":2151,"date":"2024-01-10T17:36:11","date_gmt":"2024-01-10T16:36:11","guid":{"rendered":"http:\/\/relaunch.wagmbh.com\/lorem-ipsum-dolor-sit-amet\/"},"modified":"2025-08-07T14:25:18","modified_gmt":"2025-08-07T12:25:18","slug":"rolling-bearing-encyclopedia","status":"publish","type":"post","link":"https:\/\/www.wagmbh.com\/en\/rolling-bearing-encyclopedia\/","title":{"rendered":"Rolling bearing encyclopaedia"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2151\" class=\"elementor elementor-2151 elementor-583\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6ecf4f5 e-flex e-con-boxed e-con e-parent\" data-id=\"6ecf4f5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b240475 elementor-widget elementor-widget-text-editor\" data-id=\"b240475\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In this encyclopaedia you will find detailed information about different types of rolling bearings, their design, function and areas of application.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fdf1384 e-flex e-con-boxed e-con e-parent\" data-id=\"fdf1384\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-d0ceadd e-con-full e-flex e-con e-child\" data-id=\"d0ceadd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cb2894d elementor-widget elementor-widget-text-editor\" data-id=\"cb2894d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n \t<li><a href=\"https:\/\/www.wagmbh.com\/waelzlagertechnik\/\" target=\"_blank\" rel=\"noopener\">What is rolling bearing technology?<\/a><\/li>\n \t<li><a href=\"https:\/\/www.wagmbh.com\/waelzkoerper\/\" target=\"_blank\" rel=\"noopener\">What are rolling elements?<\/a><\/li>\n\n<li><a href=\"https:\/\/www.wagmbh.com\/waelzlagerarten\/\" target=\"_blank\" rel=\"noopener\">Types of rolling bearings<\/a><\/li>\n\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b0dc334 elementor-widget elementor-widget-toggle\" data-id=\"b0dc334\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"toggle.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1851\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1851\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">What is a rolling bearing?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1851\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1851\"><p>Rolling bearings are bearings that consist of an inner and an outer ring. Balls or rollers are inserted between these rings, which can move in relation to each other. This reduces rolling resistance, transfers a rotational movement via the rolling element and transmits forces. Rolling bearings are used to hold shafts or axles in place. A distinction is made between ball bearings and roller bearings on the basis of the rolling element. <\/p>\n<p>The six basic forms include<\/p>\n<p> Ball bearings<br \/>Cylindrical roller bearings<br \/>Needle roller bearings<br \/>Tapered roller bearings<br \/>Spherical roller bearings<br \/>Toroidal roller bearings (SKF, FAG)<\/p>\n<p><picture class=\"defer-lazied defer-loaded\" data-lazied=\"IMG\"><source class=\"defer-lazied defer-loaded\" srcset=\"https:\/\/www.wagmbh.com\/application\/files\/8415\/2406\/4496\/Waelzlagertypen.png\" media=\"(min-width: 900px)\"><\/source><source class=\"defer-lazied defer-loaded\" srcset=\"https:\/\/www.wagmbh.com\/application\/files\/8415\/2406\/4496\/Waelzlagertypen.png\" media=\"(min-width: 768px)\"><\/source><source class=\"defer-lazied defer-loaded\" srcset=\"https:\/\/www.wagmbh.com\/application\/files\/8415\/2406\/4496\/Waelzlagertypen.png\"><\/source><img decoding=\"async\" src=\"https:\/\/www.wagmbh.com\/application\/files\/8415\/2406\/4496\/Waelzlagertypen.png\" alt=\"Waelzlagertypen.png\"><\/picture><\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1852\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-1852\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Lubrication of rolling bearings<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1852\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-1852\"><p>The lubrication, oil or grease, reduces the friction and wear of the bearings. A film is formed which prevents direct contact between the bearing rings, rolling elements and cage. This film of grease also prevents the penetration of foreign bodies and protects against rust and corrosion. In addition, heat is conducted away from the bearing during oil lubrication. However, bearings and oil should be cooled at high temperatures.<\/p>\n<p><strong>Conclusion: <\/strong>The service life of the bearings increases depending on the viscosity and thickness of the lubricating film. <\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1853\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-1853\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Choice of lubrication method<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1853\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-1853\"><p>The following factors must be considered when selecting the lubrication method:<\/p>\n<ul>\n<li><strong>Prevailing operating conditions<\/strong><\/li>\n<li><strong>Requirements for the rolling bearing:<\/strong><\/li>\n<li><strong>Running, noise, temperature and friction behaviour<\/strong><\/li>\n<li><strong>Protection against corrosion, penetrating particles (liquids, sand), fatigue, wear<\/strong><\/li>\n<li><strong>Effort and costs for lubrication<\/strong><\/li>\n<\/ul>\n<p><strong>Important: <\/strong>Permanent lubricant supply and lubricant adhesion at all contact points must be guaranteed:<\/p>\n<ul>\n<li><strong>Permanent oil supply (e.g. through automatic lubrication systems from Betex)<\/strong><\/li>\n<li><strong>Defined relubrication intervals<\/strong><\/li>\n<\/ul>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1854\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-1854\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Selecting the right grease according to certain factors<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1854\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-1854\"><p><b>High temperatures:<\/b><br \/>High mileage and speeds expose bearings to high temperatures. Here we recommend <strong>High temperature grease<\/strong>. Depending on the operating temperature, a distinction is made between<\/p>\n<ul>\n<li><strong>Lithium soap grease<\/strong> (max. 70 \u00b0C)<\/li>\n<li><strong>High-temperature grease with mineral oil content, incl. temperature-stable thickener<\/strong> (80 \u2013 110\u00b0C)<\/li>\n<li><strong>High-temperature grease with synthetic base oil<\/strong> (up to 250\u00b0C)<\/li>\n<\/ul>\n<p><b>Niedrige Temperaturen:<\/b><br \/>Bei niedrigen Temperaturen herrscht eine h\u00f6here Startreibung. We recommend low-temperature greases here. Compared to multi-purpose grease, a lower starting friction is generated here.<\/p>\n<ul>\n<li><strong>Low temperature greases:<\/strong> Low viscosity base oil in combination with lithium soap<\/li>\n<\/ul>\n<p><b>Condensation:<\/b><br \/>If there is space between the bearing and the housing, moisture can accumulate there. The result is corrosion. We therefore recommend greases with sodium bicarbonate or lithium as a base.<\/p>\n<ul>\n<li><strong>Sodium soap fat:<\/strong> emulsifies with water, but can leak out if it becomes too soft<\/li>\n<li><strong>Lithium soap fats:<\/strong> does not emulsify with water. Effective rust protection.<\/li>\n<\/ul>\n<p><b>Splash water:<\/b><br \/>In the case of splash water, a water-repellent grease should be used, e.g. <strong>calcium soap grease<\/strong>, which also protects against rust. <\/p>\n<p><strong>Special greases<\/strong> must be used for other<b><em>external influences such as acids, alkalis, etc.<\/em><\/b> F\u00fcr andere \u00e4u\u00dfere Einfl\u00fcsse wie S\u00e4uren, Laugen usw. m\u00fcssen spezielle Fette verwendet werden.<\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1855\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-1855\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Choosing the right oil<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1855\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-1855\"><p>Depending on the operating conditions, <strong>mineral oils<\/strong> and <strong>synthetic oils<\/strong> are used. Synthetic oils are used under extreme operating conditions. As mineral oils form a so-called oil carbon at temperatures above 150\u00b0C, residues can settle in the bearing at high temperatures. This leads to wear.<\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1856\" class=\"elementor-tab-title\" data-tab=\"6\" role=\"button\" aria-controls=\"elementor-tab-content-1856\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Notes on the use of fats and oils<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1856\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"6\" role=\"region\" aria-labelledby=\"elementor-tab-title-1856\"><ul>\n<li>Grease the bearing so that all contact surfaces contain grease<\/li>\n<li>Fill the housing compartment with grease to the extent that the displaced grease from the bearing can still be accommodated -&gt; Filling to 30% is recommended<\/li>\n<li>If a very large housing space is available, we recommend additionally fitting the bearings with cover or sealing discs<\/li>\n<li>Grease fast rotating bearings only 20-30% so that grease distribution is accelerated when the bearing starts up and the grease is better distributed<\/li>\n<li>Fully grease slowly rotating bearings<\/li>\n<li>Bearings with rotating outer ring can only hold 15% grease filling<\/li>\n<\/ul>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1857\" class=\"elementor-tab-title\" data-tab=\"7\" role=\"button\" aria-controls=\"elementor-tab-content-1857\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Relubrication of rolling bearings<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1857\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"7\" role=\"region\" aria-labelledby=\"elementor-tab-title-1857\"><p><strong>Greases<\/strong><\/p>\n<p>Relubrication is required if the grease operating life is less than the bearing life. For frequent relubrication, we recommend grease pumps or volumetric metering distributors. The aim is to displace the old grease with the new grease. This usually requires several relubrications.<\/p>\n<p><strong>Oils<\/strong><\/p>\n<p>If the oil cannot be exchanged via splash lubrication, oil is added by pumps, oil mist systems, oil-air systems or oil centralised lubrication systems, depending on the application.<\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1858\" class=\"elementor-tab-title\" data-tab=\"8\" role=\"button\" aria-controls=\"elementor-tab-content-1858\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Damage prevention due to incorrect lubrication<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1858\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"8\" role=\"region\" aria-labelledby=\"elementor-tab-title-1858\"><p><strong>Monitoring the bearings<\/strong><\/p>\n<p><a href=\"https:\/\/www.wagmbh.com\/en\/strategies-planning-maintenance\/\" target=\"_blank\" rel=\"noopener\">Condition Monitoring<\/a>: Vibration, wear and temperature measurement<\/p>\n<p><strong>Monitoring the lubrication<\/strong><\/p>\n<ul>\n<li>Analysis: Monitoring through lubricant removal<\/li>\n<li>Measurement of oil pressure, oil level, oil flow rate, oil temperature<\/li>\n<\/ul>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1859\" class=\"elementor-tab-title\" data-tab=\"9\" role=\"button\" aria-controls=\"elementor-tab-content-1859\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">When are rolling bearings used?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1859\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"9\" role=\"region\" aria-labelledby=\"elementor-tab-title-1859\"><p>Due to the advantages of low starting frictional torque, low lubricant consumption and long service life, rolling bearings can be used in a wide range of applications. They are therefore used wherever high loads need to be moved with low friction at low speeds and the speeds change frequently.<\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-18510\" class=\"elementor-tab-title\" data-tab=\"10\" role=\"button\" aria-controls=\"elementor-tab-content-18510\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">What is internal clearance?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-18510\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"10\" role=\"region\" aria-labelledby=\"elementor-tab-title-18510\"><p>The air between the rings and rolling elements is referred to as the internal clearance. As the internal clearance has an influence on the running smoothness, service life and operating temperature of the bearing, the internal clearance must be calculated precisely. A distinction is made between radial and axial internal clearance.<\/p>\n<p><picture class=\"defer-lazied defer-loaded\" data-lazied=\"IMG\"><source class=\"defer-lazied defer-loaded\" srcset=\"https:\/\/www.wagmbh.com\/application\/files\/7315\/2406\/4500\/Lagerluft_Axiallagerluft_Radiallagerluft.png\" media=\"(min-width: 900px)\"><\/source><source class=\"defer-lazied defer-loaded\" srcset=\"https:\/\/www.wagmbh.com\/application\/files\/7315\/2406\/4500\/Lagerluft_Axiallagerluft_Radiallagerluft.png\" media=\"(min-width: 768px)\"><\/source><source class=\"defer-lazied defer-loaded\" srcset=\"https:\/\/www.wagmbh.com\/application\/files\/7315\/2406\/4500\/Lagerluft_Axiallagerluft_Radiallagerluft.png\"><\/source><img decoding=\"async\" src=\"https:\/\/www.wagmbh.com\/application\/files\/7315\/2406\/4500\/Lagerluft_Axiallagerluft_Radiallagerluft.png\" alt=\"Lagerluft_Axiallagerluft_Radiallagerluft.png\"><\/picture><\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-18511\" class=\"elementor-tab-title\" data-tab=\"11\" role=\"button\" aria-controls=\"elementor-tab-content-18511\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">How do I calculate the internal clearance?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-18511\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"11\" role=\"region\" aria-labelledby=\"elementor-tab-title-18511\"><p>The <strong>radial internal clearance<\/strong> is determined on the basis of a measured load acting on the bearings. The elastic displacement always results in a larger value of the measured clearance compared to the actual internal clearance. Correcting the measured internal clearance by the elastic displacement results in the actual <strong>radial internal clearance<\/strong>. In the case of roller bearings, the elastic displacement is not relevant when calculating the internal clearance. <\/p>\n<p>The <strong>axial clearance<\/strong> is measured when the bearings are not installed. The dimension is measured in which the bearing rings can be moved against each other in the axial direction. The bearings are rotated and moved from one end position to the other until they are tension-free. The distance between the two end faces added together gives the intermediate ring width. The aim is to achieve zero <strong>axial clearance<\/strong> so that the external forces are distributed to all rolling elements. <\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-18512\" class=\"elementor-tab-title\" data-tab=\"12\" role=\"button\" aria-controls=\"elementor-tab-content-18512\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">How are rolling bearings used?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-18512\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"12\" role=\"region\" aria-labelledby=\"elementor-tab-title-18512\"><p>Rolling bearings can be arranged in <strong>fixed-lot bearing arrangements<\/strong> or in <strong>carrier\/support bearing arrangements.<\/strong><\/p>\n<p><strong><em>Fixed-lot storage<\/em><\/strong><\/p>\n<p>One of the bearings is fixed and cannot be moved in an axial direction. It must absorb axial and radial forces as well as transfer them to the surrounding structure. The non-locating bearing, on the other hand, is movable and can move in an axial direction. It does not absorb axial forces and can compensate for tolerances and thermal expansion.<\/p>\n<p><strong><em>Carrier-support bearing<\/em><\/strong><\/p>\n<p>The support force is distributed to both bearings in such a way that both bearings together can absorb all axial forces. Axial play is required. <\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-18513\" class=\"elementor-tab-title\" data-tab=\"13\" role=\"button\" aria-controls=\"elementor-tab-content-18513\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Which rolling bearings are suitable as fixed\/lot-locating bearings?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-18513\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"13\" role=\"region\" aria-labelledby=\"elementor-tab-title-18513\"><p>Possible and very common locating\/non-locating bearing combinations for rigid bearing arrangements in which the axial displacements should be practically frictionless in the bearing are:<\/p>\n<p><strong>Deep groove ball bearings with cylindrical roller bearings<\/strong><br \/><strong>Double row angular contact ball bearings with cylindrical roller bearings<\/strong><br \/><strong>Matched single row tapered roller bearings with cylindrical roller bearings<\/strong><br \/><strong>Cylindrical roller bearings of the NUP design with one of the NU design<\/strong><br \/><strong>Cylindrical roller bearings of the NU design and four-point bearings with cylindrical roller bearings<\/strong> <\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-18514\" class=\"elementor-tab-title\" data-tab=\"14\" role=\"button\" aria-controls=\"elementor-tab-content-18514\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Why do rolling bearings require a minimum load?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-18514\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"14\" role=\"region\" aria-labelledby=\"elementor-tab-title-18514\"><p>For slip-free operation, particularly at high speeds and accelerations, a minimum radial load must be applied to the bearings, otherwise the rolling elements will slide on the raceway, which can lead to surface damage. <\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-18515\" class=\"elementor-tab-title\" data-tab=\"15\" role=\"button\" aria-controls=\"elementor-tab-content-18515\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">What is the operating clearance of rolling bearings?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-18515\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"15\" role=\"region\" aria-labelledby=\"elementor-tab-title-18515\"><p>A rolling element consists of the outer ring, inner ring and rolling element assemblies. There must be clearance between the rolling elements and the bearing rings so that they can move when at operating temperature.<\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-18516\" class=\"elementor-tab-title\" data-tab=\"16\" role=\"button\" aria-controls=\"elementor-tab-content-18516\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">What is a maintenance-free rolling bearing?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-18516\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"16\" role=\"region\" aria-labelledby=\"elementor-tab-title-18516\"><p>Maintenance-free rolling bearings are bearings that are sealed on both sides, are permanently lubricated and must not be washed or relubricated during their service life. <\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-18517\" class=\"elementor-tab-title\" data-tab=\"17\" role=\"button\" aria-controls=\"elementor-tab-content-18517\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">What should be considered when installing rolling bearings?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-18517\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"17\" role=\"region\" aria-labelledby=\"elementor-tab-title-18517\"><p>Before installation, the bearings must be stored in their original packaging as they are very sensitive to dirt and corrosion. The joining force must not be transmitted via the rolling elements during assembly. The bearings should be mounted using mechanical or hydraulic presses. Bearing inner rings that have to support circumferential loads should be heated before mounting. <a href=\"http:\/\/www.nsk-literature.com\/de\/handling-instructions-bearings\/\" target=\"_blank\" rel=\"noopener\">More information.<\/a><\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-18518\" class=\"elementor-tab-title\" data-tab=\"18\" role=\"button\" aria-controls=\"elementor-tab-content-18518\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">What are the advantages and disadvantages of rolling bearings compared to plain bearings?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-18518\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"18\" role=\"region\" aria-labelledby=\"elementor-tab-title-18518\"><p><strong>Advantages<\/strong><\/p>\n<ul>\n<li>Lower friction losses and less heat generation<\/li>\n<li>High load capacity at low speeds<\/li>\n<li>Low lubricant consumption<\/li>\n<li>Interchangeability due to standardised sizes: Components, installation conditions,<\/li>\n<li>Maintenance-free with sufficient lubrication<\/li>\n<\/ul>\n<p><strong>Disadvantages<\/strong><\/p>\n<ul>\n<li>Higher noise level due to the rolling elements<\/li>\n<li>Larger construction volume<\/li>\n<li>Sensitive to shock loads<\/li>\n<li>Lower guidance accuracy<\/li>\n<li>Speed limiter<\/li>\n<\/ul>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-18519\" class=\"elementor-tab-title\" data-tab=\"19\" role=\"button\" aria-controls=\"elementor-tab-content-18519\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Labelling of rolling bearings<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-18519\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"19\" role=\"region\" aria-labelledby=\"elementor-tab-title-18519\"><p>The basic designations of rolling bearings are defined in accordance with DIN 623 or ISO. <br \/>Bearing shape and bore diameter are broken down in this way: <picture class=\"defer-lazied defer-loaded\" data-lazied=\"IMG\"><source class=\"defer-lazied defer-loaded\" srcset=\"https:\/\/www.wagmbh.com\/application\/files\/7815\/2406\/4501\/Basiskennzeichen_ISO623.png\" media=\"(min-width: 900px)\"><\/source><source class=\"defer-lazied defer-loaded\" srcset=\"https:\/\/www.wagmbh.com\/application\/files\/7815\/2406\/4501\/Basiskennzeichen_ISO623.png\" media=\"(min-width: 768px)\"><\/source><source class=\"defer-lazied defer-loaded\" srcset=\"https:\/\/www.wagmbh.com\/application\/files\/7815\/2406\/4501\/Basiskennzeichen_ISO623.png\"><\/source><img decoding=\"async\" src=\"https:\/\/www.wagmbh.com\/application\/files\/7815\/2406\/4501\/Basiskennzeichen_ISO623.png\" alt=\"Basiskennzeichen_ISO623.png\"><\/picture><\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-18520\" class=\"elementor-tab-title\" data-tab=\"20\" role=\"button\" aria-controls=\"elementor-tab-content-18520\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">What is case hardening?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-18520\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"20\" role=\"region\" aria-labelledby=\"elementor-tab-title-18520\"><p>Case hardening is the hardening of the surface of a steel workpiece by <strong>carburising, hardening and tempering,<\/strong> whereby the core remains soft and tough. In this process, the surface layer is first enriched with carbon at temperatures between 880 and 950 \u00b0C (max. temperature 1050 \u00b0C). The workpiece is then &#8220;quenched&#8221;. Typical procedures are:<\/p>\n<p><strong>Quenching in liquid quenching media<\/strong><\/p>\n<ul>\n<li>Water<\/li>\n<li>Hardening oil<\/li>\n<li>Polymer<\/li>\n<li>Molten salt<\/li>\n<li>Molten metal<\/li>\n<\/ul>\n<p><strong>And quenching in gaseous quenching media<\/strong><\/p>\n<ul>\n<li>Nitrogen<\/li>\n<li>Helium<\/li>\n<li>Gas nozzle field<\/li>\n<\/ul>\n<p>The surface hardness and case hardening depth depend on the carbon accumulation in the surface layer.<\/p>\n<p>In the next step, the workpiece is tempered. In this heat treatment process, the piece is heated in a targeted manner to relieve internal stresses. The higher the steel is tempered, the softer it becomes. The hardness decreases and the toughness increases.<\/p>\n<p>The goal is:<\/p>\n<ul>\n<li><strong>The increase in wear resistance due to increased surface layer hardness<\/strong><\/li>\n<li><strong>Increasing the load capacity<\/strong><\/li>\n<li><strong>The increase in fatigue strength<\/strong><\/li>\n<li><strong>Improved flexural fatigue strength and overload tolerance thanks to tough core<picture class=\"defer-lazied defer-loaded\" data-lazied=\"IMG\"><source class=\"defer-lazied defer-loaded\" srcset=\"https:\/\/www.wagmbh.com\/application\/files\/6115\/2406\/4501\/Einsatzhaerten.png\" media=\"(min-width: 900px)\"><\/source><source class=\"defer-lazied defer-loaded\" srcset=\"https:\/\/www.wagmbh.com\/application\/files\/6115\/2406\/4501\/Einsatzhaerten.png\" media=\"(min-width: 768px)\"><\/source><source class=\"defer-lazied defer-loaded\" srcset=\"https:\/\/www.wagmbh.com\/application\/files\/6115\/2406\/4501\/Einsatzhaerten.png\"><\/source><img decoding=\"async\" src=\"https:\/\/www.wagmbh.com\/application\/files\/6115\/2406\/4501\/Einsatzhaerten.png\" alt=\"Einsatzhaerten.png\"><\/picture><\/strong><\/li>\n<\/ul>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-18521\" class=\"elementor-tab-title\" data-tab=\"21\" role=\"button\" aria-controls=\"elementor-tab-content-18521\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">How is the ingress of dirt into the ball bearings prevented?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-18521\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"21\" role=\"region\" aria-labelledby=\"elementor-tab-title-18521\"><p><strong>Lubrication<\/strong> of the ball bearing alone can prevent the ingress of dirt and dust. However, seals can also insulate the penetration of dust, water, vapour, etc. <strong>Labyrinth seals, pointed rings, radial shaft seals and resilient cover discs<\/strong> are often used. <strong>Felt rings<\/strong> are also suitable, but rub and damage when hard.<\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-18522\" class=\"elementor-tab-title\" data-tab=\"22\" role=\"button\" aria-controls=\"elementor-tab-content-18522\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">How is a ball bearing measured?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-18522\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"22\" role=\"region\" aria-labelledby=\"elementor-tab-title-18522\"><p>1. first determine the bearing type:<\/p>\n<p><strong>Ball bearing &#8211; single row, double row, contact angle<\/strong><\/p>\n<p>2. If the abbreviation of the bearing (located on the inner ring, outer ring or outer diameter) is illegible, the following must be determined:<\/p>\n<ul>\n<li><strong>Inner ring bore (inner diameter)<\/strong><\/li>\n<li><strong>Outer diameter of the outer ring<\/strong><\/li>\n<li><strong>Inner and outer width (can be different)<\/strong><\/li>\n<li><strong>Bore shape and\/or outer diameter of the bearing<\/strong><\/li>\n<\/ul>\n<p>3. Search the <a href=\"http:\/\/www.nsk-literature.com\/de\/bearing-replacement-guide\/\" target=\"_blank\" rel=\"noopener\">manufacturer&#8217;s catalogue<\/a> or contact customer service directly.<\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-18523\" class=\"elementor-tab-title\" data-tab=\"23\" role=\"button\" aria-controls=\"elementor-tab-content-18523\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">What are hybrid ball bearings?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-18523\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"23\" role=\"region\" aria-labelledby=\"elementor-tab-title-18523\"><p>Hybrid ball bearings are rolling bearings that are made from two materials. These include steel races combined with ceramic rolling elements. The most common type of hybrid ball bearing is the deep groove ball bearing.<\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3577e1f e-flex e-con-boxed e-con e-parent\" data-id=\"3577e1f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2345d96 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"2345d96\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fdc1eb8 elementor-tabs-view-horizontal elementor-widget elementor-widget-tabs\" data-id=\"fdc1eb8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tabs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-tabs\">\n\t\t\t<div class=\"elementor-tabs-wrapper\" role=\"tablist\" >\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-2661\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-2661\" aria-expanded=\"false\">Ball bearing<\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-2662\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-2662\" aria-expanded=\"false\">sliding bearing<\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-2663\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"3\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-2663\" aria-expanded=\"false\">Seals <\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-2664\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"4\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-2664\" aria-expanded=\"false\">Needle Roller Bearings<\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-2665\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"5\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-2665\" aria-expanded=\"false\">caster wheels<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"elementor-tabs-content-wrapper\" role=\"tablist\" aria-orientation=\"vertical\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-2661\" aria-expanded=\"false\">Ball bearing<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2661\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2661\" tabindex=\"0\" hidden=\"false\"><ul>\n<li><a href=\"https:\/\/www.wagmbh.com\/rillenkugellager\/\" target=\"_blank\">What are deep groove ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/radialrillenkugellager\/\" target=\"_blank\">What are radial ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/radial-kugellager\/\" target=\"_blank\">What are radial ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/axial-rillenkugellager\/\" target=\"_blank\">What are axial deep groove ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/schraegkugellager\/\" target=\"_blank\">What are angular contact ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/axial-schraegkugellager\/\" target=\"_blank\">What are axial angular contact ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/schraegkugellager-zweireihig\/\" target=\"_blank\">What are double row angular contact ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/pendelkugellager\/\" target=\"_blank\">What are self-aligning ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/spindellager\/\" target=\"_blank\">What are spindle bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/linearkugellager\/\" target=\"_blank\">What are linear ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/freilauf-kugellager\/\" target=\"_blank\">What is a freewheel ball bearing?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/druckkugellager\/\" target=\"_blank\">What are thrust ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/kugellager-leichtlauf\/\" target=\"_blank\">What are low-friction ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/kugellager-mit-flansch\/\" target=\"_blank\">What are flanged ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/flansch-kugellager\/\" target=\"_blank\">What are flange ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/kugellager-mit-dichtung\/\" target=\"_blank\">Why ball bearings with seals?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/wasserdichte-kugellager\/\" target=\"_blank\">What are waterproof ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/kugellagerkugeln\/\" target=\"_blank\">What are ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/keramikkugellager\/\" target=\"_blank\">What are ceramic ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/kugellager-edelstahl\/\" target=\"_blank\">Why stainless steel ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/kugellager-mit-halterung\/\" target=\"_blank\">What are ball bearings with mountings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/kugellager-mit-welle\/\" target=\"_blank\">What are ball bearings with shafts?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/kugellager-fuer-drehteller\/\" target=\"_blank\">What are ball bearings for turntables?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/schulterkugellager\/\" target=\"_blank\">What are shoulder ball bearings?<\/a><\/li>\n<\/ul>\n<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"false\" data-tab=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-2662\" aria-expanded=\"false\">sliding bearing<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2662\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2662\" tabindex=\"0\" hidden=\"hidden\"><ul>\n<li><a href=\"https:\/\/www.wagmbh.com\/gleitlager\/\" target=\"_blank\">What are plain bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/gleitlager-welle\/\" target=\"_blank\">What are plain bearings for shafts?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/gleitlager-flansch\/\" target=\"_blank\">What are flanged plain bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/gleitlager-teflon\/\" target=\"_blank\">What are Teflon plain bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/gleitlager-stahl\/\" target=\"_blank\">What are steel plain bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/gleitlager-sinterbronze\/\" target=\"_blank\">What are sintered bronze plain bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/gleitlager-selbstschmierend\/\" target=\"_blank\">What are self-lubricating plain bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/bronzegleitlager\/\" target=\"_blank\">What are bronze plain bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/linear-gleitlager\/\" target=\"_blank\">What are linear plain bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/gleitlager-schmierung\/\" target=\"_blank\">Why lubrication for plain bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/gehaeuselager\/\" target=\"_blank\">What are housing bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/flanschlager\/\" target=\"_blank\">What are flange bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/sonderlager\/\" target=\"_blank\">What are special roller bearings?<\/a><\/li>\n<\/ul>\n<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"false\" data-tab=\"3\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-2663\" aria-expanded=\"false\">Seals <\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2663\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2663\" tabindex=\"0\" hidden=\"hidden\"><ul>\n<li><a href=\"https:\/\/www.wagmbh.com\/dichtungen\/\" target=\"_blank\">What are seals?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/wellendichtringe\/\" target=\"_blank\">What are shaft seals?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/axial-wellendichtringe\/\" target=\"_blank\">What are axial shaft seals?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/din-3760-wellendichtring\/\" target=\"_blank\">What is a DIN 3760 shaft seal?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/geteilte-wellendichtringe\/\" target=\"_blank\">What are split shaft seals?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/simmerringe\/\" target=\"_blank\">What are oil seals?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/hochdruck-wellendichtring\/\" target=\"_blank\">What is a high-pressure shaft seal?<\/a><\/li>\n<\/ul>\n<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"false\" data-tab=\"4\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-2664\" aria-expanded=\"false\">Needle Roller Bearings<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2664\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2664\" tabindex=\"0\" hidden=\"hidden\"><ul>\n<li><a href=\"https:\/\/www.wagmbh.com\/nadellager\/\" target=\"_blank\">What are needle bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/nadelhuelsenlager\/\" target=\"_blank\">What are needle roller bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/nadellager-ohne-innenring\/\" target=\"_blank\">What are needle roller bearings without an inner ring?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/nadelhuelsen\/\" target=\"_blank\">What are needle sleeves?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/axial-nadelkranz\/\" target=\"_blank\">What is an axial needle bearing?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/nadelkraenze\/\" target=\"_blank\">What are needle crowns?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/nadellager-innenring\/\" target=\"_blank\">What is a needle bearing inner ring?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/axial-nadellager\/\" target=\"_blank\">What are axial needle roller bearings?<\/a><\/li>\n<\/ul>\n<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"false\" data-tab=\"5\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-2665\" aria-expanded=\"false\">caster wheels<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2665\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2665\" tabindex=\"0\" hidden=\"hidden\"><ul>\n<li><a href=\"https:\/\/www.wagmbh.com\/laufrolle\/\" target=\"_blank\">What is a castor wheel?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/laufrollen-mit-kugellager\/\" target=\"_blank\">What are castors with ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/laufrollen-edelstahl\/\" target=\"_blank\">What are stainless steel castors?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/laufrollen-kunststoff\/\" target=\"_blank\">What are plastic castors?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/kunststoff-laufrollen-mit-kugellager\/\" target=\"_blank\">What are plastic castors with ball bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/stuetzrolle\/\" target=\"_blank\">What are support rollers?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/kurvenrolle\/\" target=\"_blank\">What are cam rollers?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/gefederte-laufrolle\/\" target=\"_blank\">What are spring-loaded castors?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/zapfenlaufrolle\/\" target=\"_blank\">What are cone rollers?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/laufrollen-stahl\/\" target=\"_blank\">What are steel castors?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/laufrolle-mit-achse\/\" target=\"_blank\">What are castors with axles?<\/a><\/li>\n<\/ul>\n<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9da9ccc elementor-tabs-view-horizontal elementor-widget elementor-widget-tabs\" data-id=\"9da9ccc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tabs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-tabs\">\n\t\t\t<div class=\"elementor-tabs-wrapper\" role=\"tablist\" >\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-1651\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-1651\" aria-expanded=\"false\">Nuts and accessories<\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-1652\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-1652\" aria-expanded=\"false\">Other warehouses<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"elementor-tabs-content-wrapper\" role=\"tablist\" aria-orientation=\"vertical\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-1651\" aria-expanded=\"false\">Nuts and accessories<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1651\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-1651\" tabindex=\"0\" hidden=\"false\"><ul>\n<li><a href=\"https:\/\/www.wagmbh.com\/muttern\/\" target=\"_blank\">What are nuts?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/nutmutter\/\" target=\"_blank\">What is a slotted nut?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/nutmutter-din-981\/\" target=\"_blank\">What is a DIN 981 slotted nut?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/nutmutter-din-1804\/\" target=\"_blank\">What is a DIN 1804 slotted nut?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/nutmuttern-selbstsichernd\/\" target=\"_blank\">What are self-locking slot nuts?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/nutmutter-mit-sicherungsblech\/\" target=\"_blank\">What is a slotted nut with a retaining plate?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/t-nut-muttern\/\" target=\"_blank\">What are T-slot nuts?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/hohlsplint\/\" target=\"_blank\">What is a hollow pin?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/wellenmutter\/\" target=\"_blank\">What is a wave nut?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/wellenmutter-mit-sicherungsblech\/\" target=\"_blank\">What is a wave nut with a locking plate?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/spannhulse-din-1481\/\" target=\"_blank\">What is a DIN 1481 clamping sleeve?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/spannhulsen\/\" target=\"_blank\">What are clamping sleeves?<\/a><\/li>\n<\/ul>\n<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"false\" data-tab=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-1652\" aria-expanded=\"false\">Other warehouses<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1652\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-1652\" tabindex=\"0\" hidden=\"hidden\"><ul>\n<li><a href=\"https:\/\/www.wagmbh.com\/duennringlager\/\" target=\"_blank\">What are thin-ring bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/vierpunktlager\/\" target=\"_blank\">What are four-point bearings?<\/a><\/li>\n<li><a href=\"https:\/\/www.wagmbh.com\/toroidalrollenlager\/\" target=\"_blank\">What are toroidal roller bearings?<\/a><\/li>\n<\/ul>\n<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>What is a rolling bearing? When are rolling bearings used? What is internal clearance? These and many other questions are answered in the rolling bearing encyclopaedia.<\/p>\n","protected":false},"author":1,"featured_media":3908,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[43],"tags":[],"class_list":["post-2151","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-service-en"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.wagmbh.com\/en\/wp-json\/wp\/v2\/posts\/2151","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wagmbh.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wagmbh.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wagmbh.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wagmbh.com\/en\/wp-json\/wp\/v2\/comments?post=2151"}],"version-history":[{"count":10,"href":"https:\/\/www.wagmbh.com\/en\/wp-json\/wp\/v2\/posts\/2151\/revisions"}],"predecessor-version":[{"id":7338,"href":"https:\/\/www.wagmbh.com\/en\/wp-json\/wp\/v2\/posts\/2151\/revisions\/7338"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wagmbh.com\/en\/wp-json\/wp\/v2\/media\/3908"}],"wp:attachment":[{"href":"https:\/\/www.wagmbh.com\/en\/wp-json\/wp\/v2\/media?parent=2151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wagmbh.com\/en\/wp-json\/wp\/v2\/categories?post=2151"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wagmbh.com\/en\/wp-json\/wp\/v2\/tags?post=2151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}