{"id":14089,"date":"2025-02-06T17:43:58","date_gmt":"2025-02-06T15:43:58","guid":{"rendered":"https:\/\/nhkmachineryparts.com\/?p=14089"},"modified":"2025-10-16T12:04:58","modified_gmt":"2025-10-16T10:04:58","slug":"paslanmaz-celik-420-ve-440-rulman-unitelerinin-detayli-karsilastirmasi","status":"publish","type":"post","link":"https:\/\/nhkmachineryparts.com\/tr\/stainless-steel-420-vs-440-bearing-units-a-detailed-comparison\/","title":{"rendered":"Paslanmaz \u00c7elik 420 ve 440 Rulman \u00dcniteleri: Ayr\u0131nt\u0131l\u0131 Bir Kar\u015f\u0131la\u015ft\u0131rma"},"content":{"rendered":"<p><style>@media (min-width: 992px) { .liquid-row-responsive-69d4e1d93cd68 {padding-top:50px !important; padding-bottom:88px !important;  }  }    <\/style><section data-bg-image=\"url\" class=\"vc_row vc_custom_1712042566150 liquid-row-responsive-69d4e1d93cd68 liquid-row-shadowbox-69d4e1d93cd8a vc_row-has-fill vc_row-has-bg\"><div class=\"ld-container container\"><div class=\"row ld-row ld-row-outer\"><div class=\"wpb_column vc_column_container vc_col-sm-12 liquid-column-69d4e1d93d012\"><div class=\"vc_column-inner  \" ><div class=\"wpb_wrapper\"  ><div class=\"vc_row vc_inner vc_row-fluid liquid-row-shadowbox-69d4e1d93d1ba\"><div class=\"ld-container container-fluid\"><div class=\"row ld-row ld-row-inner vc_row-o-content-middle vc_row-flex\"><style>@media (min-width: 992px) { .liquid-column-responsive-69d4e1d93d3c6 > .vc_column-inner {padding-right:2% !important;  }  } @media (min-width: 1200px) { .liquid-column-responsive-69d4e1d93d3c6 > .vc_column-inner {padding-right:4% !important;  }  } <\/style><div class=\"wpb_column vc_column_container vc_col-sm-12 vc_col-lg-8 vc_col-md-8 vc_col-xs-12 liquid-column-69d4e1d93d3c4 liquid-column-responsive-69d4e1d93d3c6\"><div class=\"vc_column-inner \" ><div class=\"wpb_wrapper\" >\n\t<div class=\"wpb_text_column wpb_content_element \" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2>Which One is Best for Your Industry?<\/h2>\n<p>Stainless steel bearing units are essential components in various <a href=\"https:\/\/nhkmachineryparts.com\/tr\/our-industries\/\" data-internallinksmanager029f6b8e52c=\"4\" title=\"Our industries\">industries<\/a>, ensuring smooth and reliable mechanical operations. Among the different types of stainless steel, <strong>420 and 440 grades<\/strong> are widely used for bearing applications. While both belong to the <strong>martensitic stainless steel family<\/strong>, they differ significantly in <strong>hardness, corrosion resistance, wear resistance, and toughness<\/strong>.<\/p>\n<p>This article provides a <strong>comprehensive comparison<\/strong> of <strong>stainless steel 420 vs. 440 bearing units<\/strong>, focusing on <strong>usage, industries, material composition, experience, expertise, authoritativeness, and trustworthiness (E-E-A-T)<\/strong> to help businesses choose the most suitable option for their applications.<\/p>\n<p><a href=\"https:\/\/nhkmachineryparts.com\/product-line\/mounted-ball-bearing-house-units\/\">Stainless Steel 420 vs. 440 Bearing Units<\/a><\/p>\n<p><a href=\"https:\/\/nhkmachineryparts.com\/catalog\/\">Get our catalogue here<\/a><\/p>\n<p><a href=\"https:\/\/nhkmachineryparts.com\/product-line\/\">See our product line here<\/a><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-12 vc_col-lg-4 vc_col-md-4 vc_col-xs-12 liquid-column-69d4e1d93d6a9\"><div class=\"vc_column-inner \" ><div class=\"wpb_wrapper\" ><style>.ld_button_69d4e1d93d81a.btn-icon-solid .btn-icon{background:rgba(255, 255, 255, 0);}.ld_button_69d4e1d93d81a.btn-icon-circle.btn-icon-ripple .btn-icon:before{border-color:rgba(255, 255, 255, 0);}.ld_button_69d4e1d93d81a.btn-icon-solid:hover .btn-icon{background:rgba(255, 255, 255, 0);}.ld_button_69d4e1d93d81a{color:rgb(34, 34, 34);border-color:rgba(255, 255, 255, 0);}.ld_button_69d4e1d93d81a:hover{background-color:rgba(255, 255, 255, 0);border-color:rgba(255, 255, 255, 0);color:rgb(34, 34, 34);}.ld_button_69d4e1d93d81a .btn-gradient-bg-hover{background:-webkit-linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0) 100%);background:linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0) 100%);}.ld_button_69d4e1d93d81a:hover .btn-gradient-border defs stop:first-child{stop-color:rgb(34, 34, 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.ld_cf7_69d4e1d940987 .ui-button.ui-selectmenu-button, .ld_cf7_69d4e1d940987 .wpcf7-form-control-wrap > i, .ld_cf7_69d4e1d940987 .wpcf7-radio{color:rgb(51, 51, 51);}.ld_cf7_69d4e1d940987 input:focus, .ld_cf7_69d4e1d940987 select:focus, .ld_cf7_69d4e1d940987 textarea:focus, .ld_cf7_69d4e1d940987 .ui-button.ui-selectmenu-button:hover, .wpcf7-acceptance .wpcf7-list-item-label:after{color:rgb(51, 51, 51);}.ld_cf7_69d4e1d940987 input[type=\"submit\"]:focus,.ld_cf7_69d4e1d940987 input[type=\"submit\"]:hover{background:rgb(139, 173, 220);}.ld_cf7_69d4e1d940987 input[type=\"submit\"]:hover{color:rgb(255, 255, 255);border-color:rgb(139, 173, 220);}<\/style><div id=\"ld_cf7_69d4e1d940987\" class=\"lqd-contact-form lqd-contact-form-inputs-sm lqd-contact-form-inputs-filled lqd-contact-form-button-sm lqd-contact-form-button-block ld_cf7_69d4e1d940987 vc_custom_1711482920590\">\n\t\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f2151-o1\" lang=\"en\" dir=\"ltr\" data-wpcf7-id=\"2151\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/tr\/wp-json\/wp\/v2\/posts\/14089#wpcf7-f2151-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u0130leti\u015fim Formu\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"2151\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.5\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f2151-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/><input type=\"hidden\" name=\"_wpcf7_recaptcha_response\" value=\"\" \/>\n<\/fieldset>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"company-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Company name*\" value=\"\" type=\"text\" name=\"company-name\" \/><\/span><span class=\"wpcf7-form-control-wrap\" data-name=\"text-902\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Name*\" value=\"\" type=\"text\" name=\"text-902\" \/><\/span><span class=\"wpcf7-form-control-wrap\" data-name=\"email-899\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Your email*\" value=\"\" type=\"email\" name=\"email-899\" \/><\/span><span class=\"wpcf7-form-control-wrap\" data-name=\"tel-828\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-tel wpcf7-text wpcf7-validates-as-tel\" aria-invalid=\"false\" placeholder=\"Phone\" value=\"\" type=\"tel\" name=\"tel-828\" \/><\/span><span class=\"wpcf7-form-control-wrap\" data-name=\"textarea-529\"><textarea cols=\"10\" rows=\"3\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Message*\" name=\"textarea-529\"><\/textarea><\/span><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Send message\" \/>\n<\/p><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n<\/div>\n\t\t<\/div><!-- \/.lqd-modal-content -->\n\t\t<div class=\"lqd-modal-foot\"><\/div><!-- \/.lqd-modal-foot -->\n\n\t<\/div><!-- \/.lqd-modal-inner -->\n<\/div><!-- \/#modal-box.lqd-modal --><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section data-bg-image=\"url\" class=\"vc_row vc_custom_1711480886685 liquid-row-shadowbox-69d4e1d941266 vc_row-has-fill vc_row-has-bg\"><div class=\"ld-container container\"><div class=\"row ld-row ld-row-outer\"><style>@media (min-width: 992px) { .liquid-column-responsive-69d4e1d9415b0 > .vc_column-inner {margin-bottom:0px !important; padding-right:2% !important;  }  } @media (min-width: 1200px) { .liquid-column-responsive-69d4e1d9415b0 > .vc_column-inner {padding-right:4% !important;  }  } <\/style><div class=\"wpb_column vc_column_container vc_col-sm-12 vc_col-lg-6 vc_col-md-8 vc_col-xs-12 liquid-column-69d4e1d9415ae liquid-column-responsive-69d4e1d9415b0\"><div class=\"vc_column-inner  vc_custom_1711483264577\" ><div class=\"wpb_wrapper\"  >\n\t<div class=\"wpb_text_column wpb_content_element  vc_custom_1738856499052\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2>Stainless Steel 420 vs. 440 Bearing Units<\/h2>\n<p>Stainless steel bearing units are pivotal in numerous industries, offering a blend of strength, durability, and corrosion resistance. Among the martensitic stainless steels, grades 420 and 440 are frequently utilized in bearing applications. A thorough understanding of their usage, material properties, and industry applications is essential for optimal performance.<\/p>\n<p><strong>Material Composition and Properties<\/strong><\/p>\n<p>Both 420 and 440 stainless steels are martensitic, characterized by their body-centered tetragonal (BCT) crystal structure, magnetism, and the ability to be hardened through heat treatment. The primary distinction between these two grades lies in their carbon and chromium content, which directly influences their hardness, wear resistance, and corrosion resistance.<\/p>\n<ul>\n<li><strong>420 Stainless Steel<\/strong>: This grade contains a carbon content ranging from 0.15% to 0.40% and chromium content between 12% and 14%. The moderate carbon content allows for adequate hardening, resulting in good toughness and moderate wear resistance. Its corrosion resistance is suitable for mild environments, making it a versatile choice for general-purpose applications.\n<div class=\"relative inline-flex items-center\"><a class=\"ml-1 inline-flex h-&#091;22px&#093; items-center rounded-xl bg-&#091;#f4f4f4&#093; px-2 text-&#091;0.5em&#093; font-medium text-token-text-secondary dark:bg-token-main-surface-secondary relative top-&#091;-0.094rem&#093; !text-token-text-secondary uppercase hover:bg-token-text-primary hover:!text-token-main-surface-secondary dark:hover:bg-token-text-primary group\" href=\"https:\/\/nhkmachineryparts.com\/420-vs-440-stainless-steel\/?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"truncate\">nhkmachineryparts.com<\/span><\/a><\/div>\n<\/li>\n<li><strong>440 Stainless Steel<\/strong>: Available in sub-grades 440A, 440B, and 440C, the carbon content increases respectively, with 440C having the highest (0.95% to 1.20%). The chromium content ranges from 16% to 18%, enhancing corrosion resistance. 440C, in particular, achieves exceptional hardness and wear resistance after heat treatment, making it ideal for high-stress applications.\n<div class=\"relative inline-flex items-center\"><a class=\"ml-1 inline-flex h-&#091;22px&#093; items-center rounded-xl bg-&#091;#f4f4f4&#093; px-2 text-&#091;0.5em&#093; font-medium text-token-text-secondary dark:bg-token-main-surface-secondary relative top-&#091;-0.094rem&#093; !text-token-text-secondary uppercase hover:bg-token-text-primary hover:!text-token-main-surface-secondary dark:hover:bg-token-text-primary group\" href=\"https:\/\/nhkmachineryparts.com\/420-vs-440-stainless-steel\/?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"truncate\">nhkmachineryparts.com<\/span><\/a><\/div>\n<\/li>\n<\/ul>\n<p><strong>Mechanical Properties<\/strong><\/p>\n<p>The mechanical properties of 420 and 440 stainless steels differ significantly due to their composition:<\/p>\n<ul>\n<li><strong>Hardness and Wear Resistance<\/strong>: 420 stainless steel can be hardened to a moderate level, providing sufficient wear resistance for general applications. In contrast, 440C stainless steel can achieve a Rockwell Hardness of 58-60 HRC, offering superior wear resistance suitable for high-performance tools and bearing components.\n<div class=\"relative inline-flex items-center\"><a class=\"ml-1 inline-flex h-&#091;22px&#093; items-center rounded-xl bg-&#091;#f4f4f4&#093; px-2 text-&#091;0.5em&#093; font-medium text-token-text-secondary dark:bg-token-main-surface-secondary relative top-&#091;-0.094rem&#093; !text-token-text-secondary uppercase hover:bg-token-text-primary hover:!text-token-main-surface-secondary dark:hover:bg-token-text-primary group\" href=\"https:\/\/industry.ceramicspeed.com\/pages\/stainless-steel-bearing-rings?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"truncate\">industry.ceramicspeed.com<\/span><\/a><\/div>\n<\/li>\n<li><strong>Toughness<\/strong>: 420 stainless steel offers a good balance of strength and flexibility, allowing it to handle impacts and resist deformation. 440C, while harder, is more brittle and less suitable for applications involving high impact or stress.\n<div class=\"relative inline-flex items-center\"><a class=\"ml-1 inline-flex h-&#091;22px&#093; items-center rounded-xl bg-&#091;#f4f4f4&#093; px-2 text-&#091;0.5em&#093; font-medium text-token-text-secondary dark:bg-token-main-surface-secondary relative top-&#091;-0.094rem&#093; !text-token-text-secondary uppercase hover:bg-token-text-primary hover:!text-token-main-surface-secondary dark:hover:bg-token-text-primary group\" href=\"https:\/\/nhkmachineryparts.com\/420-vs-440-stainless-steel\/?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"truncate\">nhkmachineryparts.com<\/span><\/a><\/div>\n<\/li>\n<\/ul>\n<p><strong>Corrosion Resistance<\/strong><\/p>\n<p>Corrosion resistance is a critical factor in selecting bearing materials:<\/p>\n<ul>\n<li><strong>420 Stainless Steel<\/strong>: Provides basic corrosion resistance in mild environments. Proper heat treatment enhances its resistance, but it remains less effective in highly corrosive conditions.\n<div class=\"relative inline-flex items-center\"><a class=\"ml-1 inline-flex h-&#091;22px&#093; items-center rounded-xl bg-&#091;#f4f4f4&#093; px-2 text-&#091;0.5em&#093; font-medium text-token-text-secondary dark:bg-token-main-surface-secondary relative top-&#091;-0.094rem&#093; !text-token-text-secondary uppercase hover:bg-token-text-primary hover:!text-token-main-surface-secondary dark:hover:bg-token-text-primary group\" href=\"https:\/\/nhkmachineryparts.com\/420-vs-440-stainless-steel\/?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"truncate\">nhkmachineryparts.com<\/span><\/a><\/div>\n<\/li>\n<li><strong>440 Stainless Steel<\/strong>: Offers superior corrosion resistance compared to 420, especially in the hardened and tempered state. It can withstand more aggressive environments, making it suitable for applications in the food processing, marine, and aerospace industries.\n<div class=\"relative inline-flex items-center\"><a class=\"ml-1 inline-flex h-&#091;22px&#093; items-center rounded-xl bg-&#091;#f4f4f4&#093; px-2 text-&#091;0.5em&#093; font-medium text-token-text-secondary dark:bg-token-main-surface-secondary relative top-&#091;-0.094rem&#093; !text-token-text-secondary uppercase hover:bg-token-text-primary hover:!text-token-main-surface-secondary dark:hover:bg-token-text-primary group\" href=\"https:\/\/nhkmachineryparts.com\/420-vs-440-stainless-steel\/?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"truncate\">nhkmachineryparts.com<\/span><\/a><\/div>\n<\/li>\n<\/ul>\n<p><strong>Industry Applications<\/strong><\/p>\n<p>The choice between 420 and 440 stainless steel bearing units depends on specific industry requirements:<\/p>\n<ul>\n<li><strong>420 Stainless Steel Bearings<\/strong>:\n<ul>\n<li><strong>Automotive Industry<\/strong>: Used in components like pump shafts and valves where moderate wear resistance and toughness are required.<\/li>\n<li><strong>General Manufacturing<\/strong>: Suitable for machinery parts that encounter mild corrosive environments.<\/li>\n<\/ul>\n<\/li>\n<li><strong>440 Stainless Steel Bearings<\/strong>:\n<ul>\n<li><strong>Food Processing<\/strong>: Ideal for equipment that must endure frequent washdowns and exposure to food acids, thanks to its superior corrosion resistance.<\/li>\n<li><strong>Aerospace<\/strong>: Used in applications where high strength, hardness, and corrosion resistance are critical.<\/li>\n<li><strong>Marine Applications<\/strong>: Suitable for environments exposed to saltwater, providing enhanced durability and longevity.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Comparison Table: 420 vs. 440 Stainless Steel Bearing Units<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>Property<\/th>\n<th>420 Stainless Steel<\/th>\n<th>440 Stainless Steel<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Carbon Content<\/strong><\/td>\n<td>0.15% \u2013 0.40%<\/td>\n<td>0.60% \u2013 1.20% (varies with sub-grade)<\/td>\n<\/tr>\n<tr>\n<td><strong>Chromium Content<\/strong><\/td>\n<td>12% \u2013 14%<\/td>\n<td>16% \u2013 18%<\/td>\n<\/tr>\n<tr>\n<td><strong>Hardness (HRC)<\/strong><\/td>\n<td>Up to 50 \u2013 55 after heat treatment<\/td>\n<td>Up to 58 \u2013 60 after heat treatment (especially in 440C)<\/td>\n<\/tr>\n<tr>\n<td><strong>Wear Resistance<\/strong><\/td>\n<td>Moderate, suitable for general applications<\/td>\n<td>High, ideal for high-stress and high-wear applications<\/td>\n<\/tr>\n<tr>\n<td><strong>Corrosion Resistance<\/strong><\/td>\n<td>Adequate in mild environments; less effective in highly corrosive conditions<\/td>\n<td>Superior, suitable for aggressive and corrosive environments<\/td>\n<\/tr>\n<tr>\n<td><strong>Toughness<\/strong><\/td>\n<td>Good balance of strength and flexibility; handles impact well<\/td>\n<td>Lower toughness; more brittle, less suitable for high-impact applications<\/td>\n<\/tr>\n<tr>\n<td><strong>Applications<\/strong><\/td>\n<td>Automotive components, general machinery parts<\/td>\n<td>Food processing equipment, aerospace components, marine applications<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Expertise, Authoritativeness, and Trustworthiness (E-A-T) in Material Selection<\/strong><\/p>\n<p>Selecting the appropriate stainless steel grade for bearing units requires a deep understanding of material science and industry-specific demands. Consulting with metallurgical experts and reputable manufacturers ensures that the chosen material aligns with application requirements, thereby enhancing performance and longevity.<\/p>\n<p>Authoritative sources, such as industry standards and peer-reviewed studies, provide valuable insights into the properties and suitability of different stainless steel grades. Trustworthy manufacturers adhere to stringent quality control measures, ensuring that their products meet the specified material properties and performance criteria.<\/p>\n<p>Both 420 and 440 stainless steel bearing units offer distinct advantages. 420 stainless steel provides a good balance of toughness and moderate corrosion resistance, making it suitable for general-purpose applications. In contrast, 440 stainless steel, particularly the 440C sub-grade, offers superior hardness and corrosion resistance, ideal for high-stress and corrosive environments. Careful consideration of the specific application requirements and consultation with industry experts will guide<\/p>\n<h2><strong>Usage of Stainless Steel 420 vs. 440 Bearing Units<\/strong><\/h2>\n<h3><strong>420 Stainless Steel Bearings<\/strong><\/h3>\n<ul>\n<li>Ideal for applications requiring <strong>moderate hardness and wear resistance<\/strong>.<\/li>\n<li>Suitable for <strong>light to medium load applications<\/strong>.<\/li>\n<li>Works well in <strong>mildly corrosive and humid environments<\/strong> but not in extreme conditions.<\/li>\n<li>Commonly used in <strong>general-purpose machinery and industrial tools<\/strong>.<\/li>\n<\/ul>\n<h3><strong>440 Stainless Steel Bearings<\/strong><\/h3>\n<ul>\n<li>Preferred in <strong>high-precision and high-load applications<\/strong> due to its <strong>higher hardness and wear resistance<\/strong>.<\/li>\n<li>Offers <strong>better corrosion resistance<\/strong> than 420 stainless steel.<\/li>\n<li>Suitable for <strong>marine, food processing, and aerospace applications<\/strong>, where durability and hygiene are critical.<\/li>\n<li>Frequently used in <strong>high-speed rotating equipment<\/strong>, such as <strong>conveyor systems, robotics, and medical devices<\/strong>.<\/li>\n<\/ul>\n<hr \/>\n<h2><strong>Industries That Use Stainless Steel 420 vs. 440 Bearings<\/strong><\/h2>\n<h3><strong>420 Stainless Steel Bearing Applications<\/strong><\/h3>\n<ol>\n<li><strong>Automotive Industry<\/strong> \u2013 Used in <strong>pump shafts, valves, and steering components<\/strong> where moderate wear resistance is required.<\/li>\n<li><strong>Agriculture<\/strong> \u2013 Found in <strong>harvesting equipment, irrigation systems, and tractors<\/strong>.<\/li>\n<li><strong>Manufacturing<\/strong> \u2013 Used in <strong>conveyor systems, automated machines, and general tools<\/strong>.<\/li>\n<li><strong>Light Industrial Machinery<\/strong> \u2013 Applied in <strong>printing presses, small motors, and low-load pumps<\/strong>.<\/li>\n<\/ol>\n<h3><strong>440 Stainless Steel Bearing Applications<\/strong><\/h3>\n<ol>\n<li><strong>Aerospace Industry<\/strong> \u2013 Used in <strong>flight control systems, satellite mechanisms, and landing gear components<\/strong>.<\/li>\n<li><strong>Food &amp; Beverage Processing<\/strong> \u2013 Ideal for <strong>hygienic environments<\/strong> that require <strong>FDA and <a href=\"https:\/\/nhkmachineryparts.com\/what-is-the-difference-between-3a-and-ehedg\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"EHEDG Certified Machinery Parts\">EHEDG<\/a>-compliant materials<\/strong>.<\/li>\n<li><strong>Pharmaceutical Industry<\/strong> \u2013 Applied in <strong>medical devices, sterilization equipment, and high-precision instruments<\/strong>.<\/li>\n<li><strong>Marine &amp; Offshore<\/strong> \u2013 Suitable for <strong>ship propulsion systems, underwater robotics, and high-humidity environments<\/strong>.<\/li>\n<li><strong>Heavy Machinery &amp; Robotics<\/strong> \u2013 Used in <strong>automated assembly lines, robotic arms, and CNC machines<\/strong>.<\/li>\n<\/ol>\n<hr \/>\n<h2><strong>Material Composition and Properties<\/strong><\/h2>\n<h3><strong>420 Stainless Steel Composition &amp; Properties<\/strong><\/h3>\n<ul>\n<li><strong>Carbon Content<\/strong>: 0.15% \u2013 0.40%<\/li>\n<li><strong>Chromium Content<\/strong>: 12% \u2013 14%<\/li>\n<li><strong>Hardness<\/strong>: Up to <strong>50-55 HRC<\/strong> after heat treatment.<\/li>\n<li><strong>Wear Resistance<\/strong>: Moderate.<\/li>\n<li><strong>Corrosion Resistance<\/strong>: Basic protection in <strong>mild environments<\/strong>, but requires maintenance in aggressive conditions.<\/li>\n<li><strong>Toughness<\/strong>: Good, <strong>handles impacts and stress well<\/strong>.<\/li>\n<\/ul>\n<h3><strong>440 Stainless Steel Composition &amp; Properties<\/strong><\/h3>\n<ul>\n<li><strong>Carbon Content<\/strong>: 0.95% \u2013 1.20% (for 440C, the hardest sub-grade).<\/li>\n<li><strong>Chromium Content<\/strong>: 16% \u2013 18%.<\/li>\n<li><strong>Hardness<\/strong>: Can reach <strong>58-60 HRC<\/strong>, offering <strong>exceptional wear resistance<\/strong>.<\/li>\n<li><strong>Wear Resistance<\/strong>: Excellent, suitable for <strong>high-friction and high-stress applications<\/strong>.<\/li>\n<li><strong>Corrosion Resistance<\/strong>: <strong>Superior<\/strong>, suitable for <strong>harsh environments<\/strong> like <strong>food processing, marine, and medical applications<\/strong>.<\/li>\n<li><strong>Toughness<\/strong>: <strong>Lower<\/strong> than 420 stainless steel, making it <strong>more brittle under impact loads<\/strong>.<\/li>\n<\/ul>\n<hr \/>\n<h2><strong>Comparison Table: 420 vs. 440 Stainless Steel Bearing Units<\/strong><\/h2>\n<table>\n<thead>\n<tr>\n<th><strong>Property<\/strong><\/th>\n<th><strong>420 Stainless Steel<\/strong><\/th>\n<th><strong>440 Stainless Steel<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Carbon Content<\/strong><\/td>\n<td>0.15% \u2013 0.40%<\/td>\n<td>0.60% \u2013 1.20% (varies with sub-grade)<\/td>\n<\/tr>\n<tr>\n<td><strong>Chromium Content<\/strong><\/td>\n<td>12% \u2013 14%<\/td>\n<td>16% \u2013 18%<\/td>\n<\/tr>\n<tr>\n<td><strong>Hardness (HRC)<\/strong><\/td>\n<td>Up to 50 \u2013 55 after heat treatment<\/td>\n<td>Up to 58 \u2013 60 after heat treatment (especially in 440C)<\/td>\n<\/tr>\n<tr>\n<td><strong>Wear Resistance<\/strong><\/td>\n<td>Moderate, suitable for general applications<\/td>\n<td>High, ideal for high-stress and high-wear applications<\/td>\n<\/tr>\n<tr>\n<td><strong>Corrosion Resistance<\/strong><\/td>\n<td>Adequate in mild environments but needs maintenance<\/td>\n<td>Superior, suitable for aggressive and corrosive environments<\/td>\n<\/tr>\n<tr>\n<td><strong>Toughness<\/strong><\/td>\n<td>Good balance of strength and flexibility, handles impact well<\/td>\n<td>Lower toughness, more brittle under high impact<\/td>\n<\/tr>\n<tr>\n<td><strong>Best for<\/strong><\/td>\n<td><strong>General-purpose machinery, automotive, and light industrial use<\/strong><\/td>\n<td><strong>Food processing, aerospace, marine, robotics, and heavy machinery<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2><strong>Experience &amp; Expertise in Stainless Steel Bearings<\/strong><\/h2>\n<h3><strong>How to Choose the Right Stainless Steel Bearing?<\/strong><\/h3>\n<p>Selecting the best bearing material depends on factors such as:<\/p>\n<ul>\n<li><strong>Operating temperature<\/strong> \u2013 <strong>High temperatures<\/strong> may affect the steel\u2019s performance.<\/li>\n<li><strong>Load capacity<\/strong> \u2013 Bearings must withstand <strong>both static and dynamic loads<\/strong>.<\/li>\n<li><strong>Lubrication needs<\/strong> \u2013 Some applications require <strong>food-grade or water-resistant lubricants<\/strong>.<\/li>\n<li><strong>Industry regulations<\/strong> \u2013 Bearings in <strong>food, pharmaceutical, and aerospace<\/strong> industries must comply with <strong>ISO, FDA, or EHEDG standards<\/strong>.<\/li>\n<\/ul>\n<h3><strong>Certifications &amp; Compliance<\/strong><\/h3>\n<p>Reputable stainless steel bearing manufacturers ensure product quality through:<\/p>\n<ul>\n<li><strong>ISO 9001 certification<\/strong> (for quality assurance).<\/li>\n<li><strong>FDA and EHEDG approval<\/strong> (for food and pharmaceutical applications).<\/li>\n<li><strong>ASTM standards compliance<\/strong> (for material strength and corrosion resistance).<\/li>\n<\/ul>\n<hr \/>\n<h2><strong>Authoritativeness &amp; Trustworthiness in Stainless Steel Bearings<\/strong><\/h2>\n<h3><strong>What Makes a Reliable Bearing Supplier?<\/strong><\/h3>\n<ol>\n<li><strong>Manufacturer Reputation<\/strong> \u2013 Choosing <strong>trusted brands<\/strong> ensures <strong>high-quality bearings<\/strong>.<\/li>\n<li><strong>Third-Party Testing<\/strong> \u2013 Bearings tested by <strong>independent laboratories<\/strong> verify hardness, wear resistance, and corrosion resistance.<\/li>\n<li><strong>Product Warranties<\/strong> \u2013 Longer warranties indicate <strong>confidence in product durability<\/strong>.<\/li>\n<li><strong>Customer Reviews &amp; Case Studies<\/strong> \u2013 Real-world experiences <strong>validate the performance and reliability<\/strong> of bearing materials.<\/li>\n<\/ol>\n<h3><strong>Case Study: 420 vs. 440 Bearings in Food Processing<\/strong><\/h3>\n<ul>\n<li><strong>Challenge<\/strong>: A food processing plant required <strong>hygienic bearings with excellent corrosion resistance<\/strong>.<\/li>\n<li><strong>Solution<\/strong>: <strong>440 stainless steel bearings<\/strong> were selected due to their <strong>superior durability and washdown resistance<\/strong>.<\/li>\n<li><strong>Outcome<\/strong>: Increased <strong>equipment lifespan<\/strong>, reduced <strong>maintenance costs<\/strong>, and improved <strong>hygiene compliance<\/strong>.<\/li>\n<\/ul>\n<hr \/>\n<h2><strong>Which Stainless Steel Bearing Is Right for You?<\/strong><\/h2>\n<p>The choice between <strong>420 and 440 stainless steel bearing units<\/strong> depends on your <strong>specific industry needs<\/strong>.<\/p>\n<ul>\n<li><strong>Choose 420 stainless steel if<\/strong> you need <strong>moderate corrosion resistance, good toughness, and cost-effectiveness<\/strong>. Best for <strong>automotive, agricultural, and light industrial applications<\/strong>.<\/li>\n<li><strong>Choose 440 stainless steel if<\/strong> you require <strong>high hardness, superior wear resistance, and excellent corrosion protection<\/strong>. Ideal for <strong>food processing, aerospace, marine, and high-load applications<\/strong>.<\/li>\n<\/ul>\n<p>By considering <strong>usage, industry requirements, material properties, expertise, and trustworthiness<\/strong>, businesses can <strong>optimize performance and longevity in their bearing applications<\/strong>.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"wpb_text_column wpb_content_element  vc_custom_1729177119724\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2>Questions and contact<\/h2>\n<p><a href=\"https:\/\/nhkmachineryparts.com\/contact\/\">Contact us for hygienic solution<\/a><\/p>\n<p><a href=\"https:\/\/nhkmachineryparts.com\/catalogue\/\" target=\"_blank\" rel=\"noopener\">Get our catalogue here<\/a><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><style>@media (min-width: 992px) { .liquid-column-responsive-69d4e1d941fa9 > .vc_column-inner {padding-left:2% !important;  }  } @media (min-width: 1200px) { .liquid-column-responsive-69d4e1d941fa9 > 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255);border-color:rgba(0, 0, 0, 0);}<\/style><div id=\"ld_cf7_69d4e1d942d3c\" class=\"lqd-contact-form lqd-contact-form-inputs-sm lqd-contact-form-inputs-filled lqd-contact-form-button-sm lqd-contact-form-button-block ld_cf7_69d4e1d942d3c vc_custom_1702582339350\">\n\t\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f2151-o2\" lang=\"en\" dir=\"ltr\" data-wpcf7-id=\"2151\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/tr\/wp-json\/wp\/v2\/posts\/14089#wpcf7-f2151-o2\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u0130leti\u015fim Formu\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"2151\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.5\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f2151-o2\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/><input type=\"hidden\" name=\"_wpcf7_recaptcha_response\" value=\"\" \/>\n<\/fieldset>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"company-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Company name*\" value=\"\" type=\"text\" name=\"company-name\" \/><\/span><span class=\"wpcf7-form-control-wrap\" data-name=\"text-902\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Name*\" value=\"\" type=\"text\" name=\"text-902\" \/><\/span><span class=\"wpcf7-form-control-wrap\" data-name=\"email-899\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Your email*\" value=\"\" type=\"email\" name=\"email-899\" \/><\/span><span class=\"wpcf7-form-control-wrap\" data-name=\"tel-828\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-tel wpcf7-text wpcf7-validates-as-tel\" aria-invalid=\"false\" placeholder=\"Phone\" value=\"\" type=\"tel\" name=\"tel-828\" \/><\/span><span class=\"wpcf7-form-control-wrap\" data-name=\"textarea-529\"><textarea cols=\"10\" rows=\"3\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Message*\" name=\"textarea-529\"><\/textarea><\/span><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Send message\" \/>\n<\/p><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/section><style>@media (min-width: 992px) { .liquid-row-responsive-69d4e1d94345f {padding-top:80px !important; padding-bottom:80px !important;  }  }    <\/style><section class=\"vc_row vc_custom_1712043273083 liquid-row-responsive-69d4e1d94345f liquid-row-shadowbox-69d4e1d94347c\"><div class=\"ld-container container\"><div class=\"row ld-row ld-row-outer\"><div class=\"wpb_column vc_column_container vc_col-sm-12 liquid-column-69d4e1d943647\"><div class=\"vc_column-inner  \" ><div class=\"wpb_wrapper\"  ><div  class=\"lqd-simple-heading-wrap ld_simple_heading_69d4e1d943707\">\n<h2 class=\"lqd-simple-heading\">\n\t<\/p>\n<h2>Articles<\/h2>\n<p><\/h2>\n<\/div><style>.ld_blog_69d4e1d943839 .lqd-lp-row{margin-inline-start:-15px;margin-inline-end:-15px;}.ld_blog_69d4e1d943839 .lqd-lp-column{padding-inline-start:15px;padding-inline-end:15px;margin-bottom:30px;}.ld_blog_69d4e1d943839 .lqd-lp .lqd-lp-title{margin-top:px !important;margin-bottom:px !important;}.ld_blog_69d4e1d943839 .lqd-lp .lqd-lp-title a{color:rgb(34, 34, 34);}.ld_blog_69d4e1d943839 .lqd-lp:hover .lqd-lp-title a{color:rgb(34, 34, 34);}.ld_blog_69d4e1d943839 .lqd-lp .lqd-lp-content-bg, .ld_blog_69d4e1d943839 .lqd-lp .lqd-lp-img .lqd-overlay{background:rgba(0, 0, 0, 0.3);}<\/style><div class=\"lqd-lp-grid ld_blog_69d4e1d943839 lqd-1711481130217-352addb9-deb8 \"><div class=\"lqd-lp-row row d-flex flex-wrap\"><div class=\"lqd-lp-column col-md-3 col-sm-6 food-processing-and-pharmaceutical-equipment lqd-f-1\"><article id=\"post-39399\" class=\"lqd-lp lqd-lp-style-3 pos-rel post-39399 post type-post status-publish format-standard has-post-thumbnail hentry category-food-processing-and-pharmaceutical-equipment\"><div class=\"lqd-lp-img mb-5\"><figure class=\"pos-rel overflow-hidden border-radius-5\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"450\" src=\"https:\/\/nhkmachineryparts.com\/wp-content\/uploads\/2026\/04\/Advancing-Food-Safety-Through-Hygienic-Design-700x450.png\" class=\"w-100 wp-post-image\" alt=\"Advancing Food Safety Through Hygienic Design\" srcset=\"https:\/\/nhkmachineryparts.com\/wp-content\/uploads\/2026\/04\/Advancing-Food-Safety-Through-Hygienic-Design-700x450.png 700w, https:\/\/nhkmachineryparts.com\/wp-content\/uploads\/2026\/04\/Advancing-Food-Safety-Through-Hygienic-Design-18x12.png 18w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><div class=\"lqd-overlay align-items-center justify-content-center\">\n\t\t\t<div class=\"lqd-overlay lqd-overlay-bg\"><\/div><!-- \/.lqd-overlay lqd-overlay-bg -->\n\t\t\t<i class=\"lqd-icn-ess icon-md-arrow-forward\"><\/i>\n\t\t<\/div><!-- \/.lqd-overlay align-items-center justify-content-center --><\/figure><\/div><header class=\"lqd-lp-header\">\n\t<div class=\"lqd-lp-meta lqd-lp-meta-dot-between d-flex flex-wrap align-items-center font-weight-bold text-uppercase ltr-sp-1\">\n\t\t\t\t<time class=\"lqd-lp-date pos-rel z-index-2\" datetime=\"2026-04-07T07:33:32+02:00\">7. Nisan 2026<\/time>\t<\/div>\n\t<h2 class=\"entry-title lqd-lp-title h5 mt-3 mb-0\"><a  href=\"https:\/\/nhkmachineryparts.com\/tr\/advancing-food-safety-through-hygienic-design\/\" rel=\"bookmark\">Advancing Food Safety Through Hygienic Design<\/a><\/h2><\/header>\n<a  href=\"https:\/\/nhkmachineryparts.com\/tr\/advancing-food-safety-through-hygienic-design\/\" class=\"lqd-lp-overlay-link lqd-overlay z-index-2\" tab-index=\"-1\"><\/a>\n<\/article><\/div><div class=\"lqd-lp-column col-md-3 col-sm-6 food-processing-and-pharmaceutical-equipment lqd-f-1\"><article id=\"post-39397\" class=\"lqd-lp lqd-lp-style-3 pos-rel post-39397 post type-post status-publish format-standard has-post-thumbnail hentry category-food-processing-and-pharmaceutical-equipment\"><div class=\"lqd-lp-img mb-5\"><figure class=\"pos-rel overflow-hidden border-radius-5\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"450\" src=\"https:\/\/nhkmachineryparts.com\/wp-content\/uploads\/2024\/06\/3-A-SSI-Primarily-focused-on-North-America-including-the-United-States-and-Canada-700x450.jpg\" class=\"w-100 wp-post-image\" alt=\"3-A SSI Primarily focused on North America, including the United States and Canada\" \/><div class=\"lqd-overlay align-items-center justify-content-center\">\n\t\t\t<div class=\"lqd-overlay lqd-overlay-bg\"><\/div><!-- \/.lqd-overlay lqd-overlay-bg -->\n\t\t\t<i class=\"lqd-icn-ess icon-md-arrow-forward\"><\/i>\n\t\t<\/div><!-- \/.lqd-overlay align-items-center justify-content-center --><\/figure><\/div><header class=\"lqd-lp-header\">\n\t<div class=\"lqd-lp-meta lqd-lp-meta-dot-between d-flex flex-wrap align-items-center font-weight-bold text-uppercase ltr-sp-1\">\n\t\t\t\t<time class=\"lqd-lp-date pos-rel z-index-2\" datetime=\"2026-04-07T07:20:56+02:00\">7. Nisan 2026<\/time>\t<\/div>\n\t<h2 class=\"entry-title lqd-lp-title h5 mt-3 mb-0\"><a  href=\"https:\/\/nhkmachineryparts.com\/tr\/everything-you-want-to-know-about-3-a-ssi\/\" rel=\"bookmark\">Everything You Want to Know About 3-A SSI<\/a><\/h2><\/header>\n<a  href=\"https:\/\/nhkmachineryparts.com\/tr\/everything-you-want-to-know-about-3-a-ssi\/\" class=\"lqd-lp-overlay-link lqd-overlay z-index-2\" tab-index=\"-1\"><\/a>\n<\/article><\/div><div class=\"lqd-lp-column col-md-3 col-sm-6 food-processing-and-pharmaceutical-equipment lqd-f-1\"><article id=\"post-39362\" class=\"lqd-lp lqd-lp-style-3 pos-rel post-39362 post type-post status-publish format-standard has-post-thumbnail hentry category-food-processing-and-pharmaceutical-equipment\"><div class=\"lqd-lp-img mb-5\"><figure class=\"pos-rel overflow-hidden border-radius-5\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"450\" src=\"https:\/\/nhkmachineryparts.com\/wp-content\/uploads\/2026\/04\/3-A-SSI-Sanitary-Design-in-Food-Processing-and-Pharmaceutical-Industries-700x450.png\" class=\"w-100 wp-post-image\" alt=\"3-A SSI Sanitary Design in Food Processing and Pharmaceutical Industries\" srcset=\"https:\/\/nhkmachineryparts.com\/wp-content\/uploads\/2026\/04\/3-A-SSI-Sanitary-Design-in-Food-Processing-and-Pharmaceutical-Industries-700x450.png 700w, https:\/\/nhkmachineryparts.com\/wp-content\/uploads\/2026\/04\/3-A-SSI-Sanitary-Design-in-Food-Processing-and-Pharmaceutical-Industries-18x12.png 18w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><div class=\"lqd-overlay align-items-center justify-content-center\">\n\t\t\t<div class=\"lqd-overlay lqd-overlay-bg\"><\/div><!-- \/.lqd-overlay lqd-overlay-bg -->\n\t\t\t<i class=\"lqd-icn-ess icon-md-arrow-forward\"><\/i>\n\t\t<\/div><!-- \/.lqd-overlay align-items-center justify-content-center --><\/figure><\/div><header class=\"lqd-lp-header\">\n\t<div class=\"lqd-lp-meta lqd-lp-meta-dot-between d-flex flex-wrap align-items-center font-weight-bold text-uppercase ltr-sp-1\">\n\t\t\t\t<time class=\"lqd-lp-date pos-rel z-index-2\" datetime=\"2026-04-05T16:53:32+02:00\">5. Nisan 2026<\/time>\t<\/div>\n\t<h2 class=\"entry-title lqd-lp-title h5 mt-3 mb-0\"><a  href=\"https:\/\/nhkmachineryparts.com\/tr\/reduce-energy-costs-and-water-consumption\/\" rel=\"bookmark\">Reduce Energy Costs and Water Consumption<\/a><\/h2><\/header>\n<a  href=\"https:\/\/nhkmachineryparts.com\/tr\/reduce-energy-costs-and-water-consumption\/\" class=\"lqd-lp-overlay-link lqd-overlay z-index-2\" tab-index=\"-1\"><\/a>\n<\/article><\/div><div class=\"lqd-lp-column col-md-3 col-sm-6 food-processing-and-pharmaceutical-equipment lqd-f-1\"><article id=\"post-39348\" class=\"lqd-lp lqd-lp-style-3 pos-rel post-39348 post type-post status-publish format-standard has-post-thumbnail hentry category-food-processing-and-pharmaceutical-equipment\"><div class=\"lqd-lp-img mb-5\"><figure class=\"pos-rel overflow-hidden border-radius-5\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"450\" src=\"https:\/\/nhkmachineryparts.com\/wp-content\/uploads\/2026\/04\/3-A-SSI-Authorized-components-for-Harsh-Conditions-Reducing-Water-and-Cleaning-Detergent-Usage-in-Hygienic-Production-700x450.png\" class=\"w-100 wp-post-image\" alt=\"3-A SSI Authorized components for Harsh Conditions Reducing Water and Cleaning Detergent Usage in Hygienic Production\" \/><div class=\"lqd-overlay align-items-center justify-content-center\">\n\t\t\t<div class=\"lqd-overlay lqd-overlay-bg\"><\/div><!-- \/.lqd-overlay lqd-overlay-bg -->\n\t\t\t<i class=\"lqd-icn-ess icon-md-arrow-forward\"><\/i>\n\t\t<\/div><!-- \/.lqd-overlay align-items-center justify-content-center --><\/figure><\/div><header class=\"lqd-lp-header\">\n\t<div class=\"lqd-lp-meta lqd-lp-meta-dot-between d-flex flex-wrap align-items-center font-weight-bold text-uppercase ltr-sp-1\">\n\t\t\t\t<time class=\"lqd-lp-date pos-rel z-index-2\" datetime=\"2026-04-05T15:51:48+02:00\">5. Nisan 2026<\/time>\t<\/div>\n\t<h2 class=\"entry-title lqd-lp-title h5 mt-3 mb-0\"><a  href=\"https:\/\/nhkmachineryparts.com\/tr\/reduce-energy-consumption\/\" rel=\"bookmark\">Reduce Energy Consumption<\/a><\/h2><\/header>\n<a  href=\"https:\/\/nhkmachineryparts.com\/tr\/reduce-energy-consumption\/\" class=\"lqd-lp-overlay-link lqd-overlay z-index-2\" tab-index=\"-1\"><\/a>\n<\/article><\/div><div class=\"lqd-lp-column col-md-3 col-sm-6 food-processing-and-pharmaceutical-equipment lqd-f-1\"><article id=\"post-39202\" class=\"lqd-lp lqd-lp-style-3 pos-rel post-39202 post type-post status-publish format-standard has-post-thumbnail hentry category-food-processing-and-pharmaceutical-equipment\"><div class=\"lqd-lp-img mb-5\"><figure class=\"pos-rel overflow-hidden border-radius-5\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"450\" src=\"https:\/\/nhkmachineryparts.com\/wp-content\/uploads\/2025\/01\/Next-Generation-Stainless-Steel-Comparing-420-vs-440-Stainless-Steel-tubes-and-bars-700x450.jpg\" class=\"w-100 wp-post-image\" alt=\"Next-Generation Stainless Steel Comparing 420 vs 440 Stainless Steel tubes and bars\" \/><div class=\"lqd-overlay align-items-center justify-content-center\">\n\t\t\t<div class=\"lqd-overlay lqd-overlay-bg\"><\/div><!-- \/.lqd-overlay lqd-overlay-bg -->\n\t\t\t<i class=\"lqd-icn-ess icon-md-arrow-forward\"><\/i>\n\t\t<\/div><!-- \/.lqd-overlay align-items-center justify-content-center --><\/figure><\/div><header class=\"lqd-lp-header\">\n\t<div class=\"lqd-lp-meta lqd-lp-meta-dot-between d-flex flex-wrap align-items-center font-weight-bold text-uppercase ltr-sp-1\">\n\t\t\t\t<time class=\"lqd-lp-date pos-rel z-index-2\" datetime=\"2026-03-30T14:21:23+02:00\">30. Mart 2026<\/time>\t<\/div>\n\t<h2 class=\"entry-title lqd-lp-title h5 mt-3 mb-0\"><a  href=\"https:\/\/nhkmachineryparts.com\/tr\/aisi-440c-stainless-steel-vs-hardened-aisi-420\/\" rel=\"bookmark\">AISI 440C stainless steel vs hardened AISI 420<\/a><\/h2><\/header>\n<a  href=\"https:\/\/nhkmachineryparts.com\/tr\/aisi-440c-stainless-steel-vs-hardened-aisi-420\/\" class=\"lqd-lp-overlay-link lqd-overlay z-index-2\" tab-index=\"-1\"><\/a>\n<\/article><\/div><div class=\"lqd-lp-column col-md-3 col-sm-6 food-processing-and-pharmaceutical-equipment lqd-f-1\"><article id=\"post-39049\" class=\"lqd-lp lqd-lp-style-3 pos-rel post-39049 post type-post status-publish format-standard has-post-thumbnail hentry category-food-processing-and-pharmaceutical-equipment\"><div class=\"lqd-lp-img mb-5\"><figure class=\"pos-rel overflow-hidden border-radius-5\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"450\" src=\"https:\/\/nhkmachineryparts.com\/wp-content\/uploads\/2026\/02\/EHEDG-certificated-components.png-700x450.jpeg\" class=\"w-100 wp-post-image\" alt=\"3-A SSI authorized standard components\" \/><div class=\"lqd-overlay align-items-center justify-content-center\">\n\t\t\t<div class=\"lqd-overlay lqd-overlay-bg\"><\/div><!-- \/.lqd-overlay lqd-overlay-bg -->\n\t\t\t<i class=\"lqd-icn-ess icon-md-arrow-forward\"><\/i>\n\t\t<\/div><!-- \/.lqd-overlay align-items-center justify-content-center --><\/figure><\/div><header class=\"lqd-lp-header\">\n\t<div class=\"lqd-lp-meta lqd-lp-meta-dot-between d-flex flex-wrap align-items-center font-weight-bold text-uppercase ltr-sp-1\">\n\t\t\t\t<time class=\"lqd-lp-date pos-rel z-index-2\" datetime=\"2026-03-22T23:28:46+02:00\">22. Mart 2026<\/time>\t<\/div>\n\t<h2 class=\"entry-title lqd-lp-title h5 mt-3 mb-0\"><a  href=\"https:\/\/nhkmachineryparts.com\/tr\/3-a-ssi-authorized-standard-sanitary-conveyor-components\/\" rel=\"bookmark\">3-A SSI Authorized Standard Sanitary Conveyor Components<\/a><\/h2><\/header>\n<a  href=\"https:\/\/nhkmachineryparts.com\/tr\/3-a-ssi-authorized-standard-sanitary-conveyor-components\/\" class=\"lqd-lp-overlay-link lqd-overlay z-index-2\" tab-index=\"-1\"><\/a>\n<\/article><\/div><div class=\"lqd-lp-column col-md-3 col-sm-6 food-processing-and-pharmaceutical-equipment lqd-f-1\"><article id=\"post-39047\" class=\"lqd-lp lqd-lp-style-3 pos-rel post-39047 post type-post status-publish format-standard has-post-thumbnail hentry category-food-processing-and-pharmaceutical-equipment\"><div class=\"lqd-lp-img mb-5\"><figure class=\"pos-rel overflow-hidden border-radius-5\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"450\" src=\"https:\/\/nhkmachineryparts.com\/wp-content\/uploads\/2024\/08\/NHK-5-700x450.png\" class=\"w-100 wp-post-image\" alt=\"3-A SSI Authorized Standard Components: Built for Hygienic Performance, Compliance, and Long-Term Trust\" \/><div class=\"lqd-overlay align-items-center justify-content-center\">\n\t\t\t<div class=\"lqd-overlay lqd-overlay-bg\"><\/div><!-- \/.lqd-overlay lqd-overlay-bg -->\n\t\t\t<i class=\"lqd-icn-ess icon-md-arrow-forward\"><\/i>\n\t\t<\/div><!-- \/.lqd-overlay align-items-center justify-content-center --><\/figure><\/div><header class=\"lqd-lp-header\">\n\t<div class=\"lqd-lp-meta lqd-lp-meta-dot-between d-flex flex-wrap align-items-center font-weight-bold text-uppercase ltr-sp-1\">\n\t\t\t\t<time class=\"lqd-lp-date pos-rel z-index-2\" datetime=\"2026-03-22T23:16:27+02:00\">22. Mart 2026<\/time>\t<\/div>\n\t<h2 class=\"entry-title lqd-lp-title h5 mt-3 mb-0\"><a  href=\"https:\/\/nhkmachineryparts.com\/tr\/3-a-ssi-authorized-standard-components\/\" rel=\"bookmark\">3-A SSI Authorized Standard Components<\/a><\/h2><\/header>\n<a  href=\"https:\/\/nhkmachineryparts.com\/tr\/3-a-ssi-authorized-standard-components\/\" class=\"lqd-lp-overlay-link lqd-overlay z-index-2\" tab-index=\"-1\"><\/a>\n<\/article><\/div><div class=\"lqd-lp-column col-md-3 col-sm-6 food-processing-and-pharmaceutical-equipment lqd-f-1\"><article id=\"post-39043\" class=\"lqd-lp lqd-lp-style-3 pos-rel post-39043 post type-post status-publish format-standard has-post-thumbnail hentry category-food-processing-and-pharmaceutical-equipment\"><div class=\"lqd-lp-img mb-5\"><figure class=\"pos-rel overflow-hidden border-radius-5\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"450\" src=\"https:\/\/nhkmachineryparts.com\/wp-content\/uploads\/2024\/08\/IP67-bearing-units--700x450.jpg\" class=\"w-100 wp-post-image\" alt=\"3-A SSI composite bearing units\" \/><div class=\"lqd-overlay align-items-center justify-content-center\">\n\t\t\t<div class=\"lqd-overlay lqd-overlay-bg\"><\/div><!-- \/.lqd-overlay lqd-overlay-bg -->\n\t\t\t<i class=\"lqd-icn-ess icon-md-arrow-forward\"><\/i>\n\t\t<\/div><!-- \/.lqd-overlay align-items-center justify-content-center --><\/figure><\/div><header class=\"lqd-lp-header\">\n\t<div class=\"lqd-lp-meta lqd-lp-meta-dot-between d-flex flex-wrap align-items-center font-weight-bold text-uppercase ltr-sp-1\">\n\t\t\t\t<time class=\"lqd-lp-date pos-rel z-index-2\" datetime=\"2026-03-22T23:03:44+02:00\">22. 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Ocak 2026<\/time>\t<\/div>\n\t<h2 class=\"entry-title lqd-lp-title h5 mt-3 mb-0\"><a  href=\"https:\/\/nhkmachineryparts.com\/tr\/pillow-block-vs-flange-bearing-comparison\/\" rel=\"bookmark\">Pillow Block vs Flange Bearing Comparison<\/a><\/h2><\/header>\n<a  href=\"https:\/\/nhkmachineryparts.com\/tr\/pillow-block-vs-flange-bearing-comparison\/\" class=\"lqd-lp-overlay-link lqd-overlay z-index-2\" tab-index=\"-1\"><\/a>\n<\/article><\/div><div class=\"lqd-lp-column col-md-3 col-sm-6 food-processing-and-pharmaceutical-equipment lqd-f-1\"><article id=\"post-37961\" class=\"lqd-lp lqd-lp-style-3 pos-rel post-37961 post type-post status-publish format-standard has-post-thumbnail hentry category-food-processing-and-pharmaceutical-equipment\"><div class=\"lqd-lp-img mb-5\"><figure class=\"pos-rel overflow-hidden border-radius-5\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"450\" src=\"https:\/\/nhkmachineryparts.com\/wp-content\/uploads\/2026\/01\/Pillow-block-vs-flange-bearing-explained-700x450.jpg\" class=\"w-100 wp-post-image\" alt=\"Pillow block vs flange bearing explained\" \/><div class=\"lqd-overlay align-items-center justify-content-center\">\n\t\t\t<div class=\"lqd-overlay lqd-overlay-bg\"><\/div><!-- \/.lqd-overlay lqd-overlay-bg -->\n\t\t\t<i class=\"lqd-icn-ess icon-md-arrow-forward\"><\/i>\n\t\t<\/div><!-- \/.lqd-overlay align-items-center justify-content-center --><\/figure><\/div><header class=\"lqd-lp-header\">\n\t<div class=\"lqd-lp-meta lqd-lp-meta-dot-between d-flex flex-wrap align-items-center font-weight-bold text-uppercase ltr-sp-1\">\n\t\t\t\t<time class=\"lqd-lp-date pos-rel z-index-2\" datetime=\"2026-01-10T17:12:36+02:00\">10. Ocak 2026<\/time>\t<\/div>\n\t<h2 class=\"entry-title lqd-lp-title h5 mt-3 mb-0\"><a  href=\"https:\/\/nhkmachineryparts.com\/tr\/pillow-block-vs-flange-bearing-explained\/\" rel=\"bookmark\">Pillow block vs flange bearing explained<\/a><\/h2><\/header>\n<a  href=\"https:\/\/nhkmachineryparts.com\/tr\/pillow-block-vs-flange-bearing-explained\/\" class=\"lqd-lp-overlay-link lqd-overlay z-index-2\" tab-index=\"-1\"><\/a>\n<\/article><\/div><div class=\"lqd-lp-column col-md-3 col-sm-6 food-processing-and-pharmaceutical-equipment lqd-f-1\"><article id=\"post-35848\" class=\"lqd-lp lqd-lp-style-3 pos-rel post-35848 post type-post status-publish format-standard has-post-thumbnail hentry category-food-processing-and-pharmaceutical-equipment\"><div class=\"lqd-lp-img mb-5\"><figure class=\"pos-rel overflow-hidden border-radius-5\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"450\" src=\"https:\/\/nhkmachineryparts.com\/wp-content\/uploads\/2025\/02\/Top-Quality-EHEDG-Certified-Components-Unmatched-Quality-and-Innovation-700x450.jpg\" class=\"w-100 wp-post-image\" alt=\"Top Quality EHEDG Certified Components Unmatched Quality and Innovation\" \/><div class=\"lqd-overlay align-items-center justify-content-center\">\n\t\t\t<div class=\"lqd-overlay lqd-overlay-bg\"><\/div><!-- \/.lqd-overlay lqd-overlay-bg -->\n\t\t\t<i class=\"lqd-icn-ess icon-md-arrow-forward\"><\/i>\n\t\t<\/div><!-- \/.lqd-overlay align-items-center justify-content-center --><\/figure><\/div><header class=\"lqd-lp-header\">\n\t<div class=\"lqd-lp-meta lqd-lp-meta-dot-between d-flex flex-wrap align-items-center font-weight-bold text-uppercase ltr-sp-1\">\n\t\t\t\t<time class=\"lqd-lp-date pos-rel z-index-2\" datetime=\"2025-10-17T09:57:17+02:00\">17. Ekim 2025<\/time>\t<\/div>\n\t<h2 class=\"entry-title lqd-lp-title h5 mt-3 mb-0\"><a  href=\"https:\/\/nhkmachineryparts.com\/tr\/hygienic-design-of-equipment-in-food-processing-2\/\" rel=\"bookmark\">Hygienic Design of Equipment in Food Processing<\/a><\/h2><\/header>\n<a  href=\"https:\/\/nhkmachineryparts.com\/tr\/hygienic-design-of-equipment-in-food-processing-2\/\" class=\"lqd-lp-overlay-link lqd-overlay z-index-2\" tab-index=\"-1\"><\/a>\n<\/article><\/div><div class=\"lqd-lp-column col-md-3 col-sm-6 food-processing-and-pharmaceutical-equipment lqd-f-1\"><article id=\"post-35536\" class=\"lqd-lp lqd-lp-style-3 pos-rel post-35536 post type-post status-publish format-standard has-post-thumbnail hentry category-food-processing-and-pharmaceutical-equipment tag-certified-components\"><div class=\"lqd-lp-img mb-5\"><figure class=\"pos-rel overflow-hidden border-radius-5\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"450\" src=\"https:\/\/nhkmachineryparts.com\/wp-content\/uploads\/2025\/09\/NHK-9-700x450.png\" class=\"w-100 wp-post-image\" alt=\"Components for packaging machinery\" \/><div class=\"lqd-overlay align-items-center justify-content-center\">\n\t\t\t<div class=\"lqd-overlay lqd-overlay-bg\"><\/div><!-- \/.lqd-overlay lqd-overlay-bg -->\n\t\t\t<i class=\"lqd-icn-ess icon-md-arrow-forward\"><\/i>\n\t\t<\/div><!-- \/.lqd-overlay align-items-center justify-content-center --><\/figure><\/div><header class=\"lqd-lp-header\">\n\t<div class=\"lqd-lp-meta lqd-lp-meta-dot-between d-flex flex-wrap align-items-center font-weight-bold text-uppercase ltr-sp-1\">\n\t\t\t\t<time class=\"lqd-lp-date pos-rel z-index-2\" datetime=\"2025-09-21T19:50:32+02:00\">21. Eyl\u00fcl 2025<\/time>\t<\/div>\n\t<h2 class=\"entry-title lqd-lp-title h5 mt-3 mb-0\"><a  href=\"https:\/\/nhkmachineryparts.com\/tr\/components-for-packaging-machinery\/\" rel=\"bookmark\">The True Cost of Downtime: Are Your Packaging Machine Components a Ticking Time Bomb?<\/a><\/h2><\/header>\n<a  href=\"https:\/\/nhkmachineryparts.com\/tr\/components-for-packaging-machinery\/\" class=\"lqd-lp-overlay-link lqd-overlay z-index-2\" tab-index=\"-1\"><\/a>\n<\/article><\/div><\/div><!--\/ .row --><\/div><!--\/ .lqd-lp-grid --><\/div><\/div><\/div><\/div><\/div><\/section>\n","protected":false},"excerpt":{"rendered":"In the high-speed world of packaging, uptime is the ultimate currency. Every minute your line is stopped\u2014whether it's for a jam, a mechanical failure, or a cleaning cycle\u2014is a direct hit to your bottom line.\u00a0However, from our decades of experience at\u00a0NHK Group, we know that the root cause of most unscheduled downtime isn't the complex [...]","protected":false},"author":3,"featured_media":14090,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-14089","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-food-processing-and-pharmaceutical-equipment"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Stainless Steel 420 vs. 440 Bearing Units: A Detailed Comparison | NHK Group<\/title>\n<meta name=\"description\" content=\"stainless steel 420 and 440 bearing units, their industrial applications, material composition and advantages. 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