{"id":2414,"date":"2026-04-12T14:49:56","date_gmt":"2026-04-12T14:49:56","guid":{"rendered":"https:\/\/www.machinerybearings.com\/?post_type=product&p=2414"},"modified":"2026-05-04T12:45:14","modified_gmt":"2026-05-04T12:45:14","slug":"nn3020-double-row-cylindrical-roller-bearing-high-load-precision-bearing-for-heavy-industrial-applications","status":"publish","type":"product","link":"https:\/\/www.machinerybearings.com\/pl\/produkt\/nn3020-double-row-cylindrical-roller-bearing-high-load-precision-bearing-for-heavy-industrial-applications\/","title":{"rendered":"\u0141o\u017cysko cylindryczne podw\u00f3jnego rz\u0119du NN3020 \u2013 Precyzyjne \u0142o\u017cysko o du\u017cym obci\u0105\u017ceniu do ci\u0119\u017ckich zastosowa\u0144 przemys\u0142owych"},"content":{"rendered":"

Ten NN3020 Double Row Cylindrical Roller Bearing<\/strong> is a high-capacity precision bearing designed for applications requiring extremely high radial load capacity and excellent rigidity. Its double-row structure significantly increases load performance while maintaining stable operation under heavy-duty conditions.<\/p>\n

Unlike single-row bearings, the NN type features a non-locating design that allows axial displacement, making it ideal for systems where thermal expansion must be accommodated. This ensures smooth operation and reduced internal stress during continuous industrial use.<\/p>\n

Manufactured from high-quality chrome steel and available in stainless steel or special material options, the NN3020 bearing delivers long service life, low friction, and high reliability in demanding environments such as steel production, mining, and heavy machinery.<\/p>\n

Kluczowe cechy<\/strong><\/span><\/h1>\n
    \n
  • Double row cylindrical roller design for ultra-high radial load capacity<\/li>\n
  • High rigidity and stable performance under heavy loads<\/li>\n
  • Non-locating structure allows axial displacement<\/li>\n
  • Niski wsp\u00f3\u0142czynnik tarcia i p\u0142ynna praca<\/li>\n
  • Suitable for high-speed and heavy-duty applications<\/li>\n
  • Excellent durability and long service life<\/li>\n
  • Optional stainless steel and custom material versions<\/li>\n<\/ul>\n

    Specyfikacje techniczne<\/strong><\/span><\/h1>\n
    \n
    \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    Parametr<\/th>\nWarto\u015b\u0107<\/th>\n<\/tr>\n<\/thead>\n
    Model \u0142o\u017cyska<\/td>\nNN3020<\/td>\n<\/tr>\n
    \u015arednica wewn\u0119trzna (d)<\/td>\n100 mm<\/td>\n<\/tr>\n
    \u015arednica zewn\u0119trzna (D)<\/td>\n150 mm<\/td>\n<\/tr>\n
    Szeroko\u015b\u0107 (B)<\/td>\n37 mm<\/td>\n<\/tr>\n
    Typ \u0142o\u017cyska<\/td>\nDouble Row Cylindrical Roller Bearing (NN Type)<\/td>\n<\/tr>\n
    Materia\u0142<\/td>\nStal chromowa \/ Stal nierdzewna<\/td>\n<\/tr>\n
    Materia\u0142 kosza<\/td>\nStal \/ Mosi\u0105dz<\/td>\n<\/tr>\n
    Smarowanie<\/td>\nSmar \/ Olej<\/td>\n<\/tr>\n
    Klasa dok\u0142adno\u015bci<\/td>\nP0 \/ P6 \/ P5<\/td>\n<\/tr>\n
    Temperatura pracy<\/td>\n-20\u00b0C do 120\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    Zastosowania<\/strong><\/span><\/h1>\n

    The NN3020 double row cylindrical roller bearing is widely used in:<\/p>\n

      \n
    • Steel rolling mills<\/li>\n
    • Heavy-duty industrial gearboxes<\/li>\n
    • Mining machinery<\/li>\n
    • Sprz\u0119t budowlany<\/li>\n
    • Large electric motors<\/li>\n
    • Paper and textile machinery<\/li>\n
    • Industrial transmission systems<\/li>\n<\/ul>\n

      Dlaczego warto wybra\u0107 nas<\/strong><\/span><\/h1>\n
        \n
      • Silna zdolno\u015b\u0107 w produkcji \u0142o\u017cysk do ci\u0119\u017ckich zastosowa\u0144<\/li>\n
      • OEM and custom engineering support available<\/li>\n
      • Advanced production and heat treatment technology<\/li>\n
      • \u015acis\u0142y system kontroli jako\u015bci i testowania<\/li>\n
      • Fast global delivery and stable supply<\/li>\n<\/ul>\n

        FAQ<\/strong><\/span><\/h1>\n

        Q1: What is the advantage of double row cylindrical roller bearings?<\/strong>
        A: They provide significantly higher radial load capacity and improved rigidity compared to single-row designs.<\/p>\n

        Q2: What is the difference between NN and NNU types?<\/strong>
        A: NN type allows axial displacement of the shaft, while NNU type allows axial displacement of the housing.<\/p>\n

        Q3: Can NN3020 be used in heavy industrial applications?<\/strong>
        A: Yes, it is specifically designed for heavy-load environments such as steel mills and mining equipment.<\/p>","protected":false},"excerpt":{"rendered":"

        Ten NN3020 Double Row Cylindrical Roller Bearing<\/strong> is a high-capacity precision bearing designed for applications requiring extremely high radial load capacity and excellent rigidity. Its double-row structure significantly increases load performance while maintaining stable operation under heavy-duty conditions.<\/p>","protected":false},"featured_media":2590,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[25],"product_tag":[149,78,56,51,45,148,122,143,133,150],"class_list":{"0":"post-2414","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-cylindrical-roller-bearings","7":"product_tag-double-row-cylindrical-roller-bearing","8":"product_tag-gearbox-bearing","9":"product_tag-heavy-duty-bearing","10":"product_tag-high-load-bearing","11":"product_tag-industrial-bearing","12":"product_tag-nn3020-bearing","13":"product_tag-oem-bearing","14":"product_tag-precision-bearing-manufacturer","15":"product_tag-roller-bearing-supplier","16":"product_tag-steel-mill-bearing","17":"desktop-align-left","18":"tablet-align-left","19":"mobile-align-left","20":"ast-product-gallery-layout-horizontal-slider","21":"ast-product-gallery-with-no-image","22":"ast-product-tabs-layout-horizontal","24":"first","25":"instock","26":"shipping-taxable","27":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.machinerybearings.com\/pl\/wp-json\/wp\/v2\/product\/2414","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.machinerybearings.com\/pl\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.machinerybearings.com\/pl\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.machinerybearings.com\/pl\/wp-json\/wp\/v2\/comments?post=2414"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.machinerybearings.com\/pl\/wp-json\/wp\/v2\/media\/2590"}],"wp:attachment":[{"href":"https:\/\/www.machinerybearings.com\/pl\/wp-json\/wp\/v2\/media?parent=2414"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.machinerybearings.com\/pl\/wp-json\/wp\/v2\/product_brand?post=2414"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.machinerybearings.com\/pl\/wp-json\/wp\/v2\/product_cat?post=2414"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.machinerybearings.com\/pl\/wp-json\/wp\/v2\/product_tag?post=2414"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}