{"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\/vi\/san-pham\/nn3020-double-row-cylindrical-roller-bearing-high-load-precision-bearing-for-heavy-industrial-applications\/","title":{"rendered":"V\u00f2ng bi con l\u0103n tr\u1ee5 \u0111\u00f4i NN3020 \u2013 V\u00f2ng bi ch\u00ednh x\u00e1c ch\u1ecbu t\u1ea3i cao cho \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p n\u1eb7ng"},"content":{"rendered":"

C\u00e1c 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

T\u00ednh n\u0103ng ch\u00ednh<\/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
  • Ma s\u00e1t th\u1ea5p v\u00e0 ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0<\/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

    Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/strong><\/span><\/h1>\n
    \n
    \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    Tham s\u1ed1<\/th>\nGi\u00e1 tr\u1ecb<\/th>\n<\/tr>\n<\/thead>\n
    M\u00f4 h\u00ecnh v\u00f2ng bi<\/td>\nNN3020<\/td>\n<\/tr>\n
    \u0110\u01b0\u1eddng k\u00ednh trong (d)<\/td>\n100 mm<\/td>\n<\/tr>\n
    \u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i (D)<\/td>\n150 mm<\/td>\n<\/tr>\n
    Chi\u1ec1u r\u1ed9ng (B)<\/td>\n37 mm<\/td>\n<\/tr>\n
    Lo\u1ea1i v\u00f2ng bi<\/td>\nDouble Row Cylindrical Roller Bearing (NN Type)<\/td>\n<\/tr>\n
    V\u1eadt li\u1ec7u<\/td>\nTh\u00e9p m\u1ea1 cr\u00f4m \/ Th\u00e9p kh\u00f4ng g\u1ec9<\/td>\n<\/tr>\n
    V\u1eadt li\u1ec7u l\u1ed3ng<\/td>\nTh\u00e9p \/ \u0110\u1ed3ng thau<\/td>\n<\/tr>\n
    B\u00f4i tr\u01a1n<\/td>\nM\u1ee1 \/ D\u1ea7u<\/td>\n<\/tr>\n
    \u0110\u00e1nh gi\u00e1 \u0111\u1ed9 ch\u00ednh x\u00e1c<\/td>\nP0 \/ P6 \/ P5<\/td>\n<\/tr>\n
    Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng<\/td>\n-20\u00b0C \u0111\u1ebfn 120\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    \u1ee8ng d\u1ee5ng<\/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
    • Thi\u1ebft b\u1ecb x\u00e2y d\u1ef1ng<\/li>\n
    • Large electric motors<\/li>\n
    • Paper and textile machinery<\/li>\n
    • Industrial transmission systems<\/li>\n<\/ul>\n

      T\u1ea1i sao ch\u1ecdn ch\u00fang t\u00f4i<\/strong><\/span><\/h1>\n
        \n
      • Kh\u1ea3 n\u0103ng m\u1ea1nh m\u1ebd trong s\u1ea3n xu\u1ea5t v\u00f2ng bi ch\u1ecbu t\u1ea3i n\u1eb7ng<\/li>\n
      • OEM and custom engineering support available<\/li>\n
      • Advanced production and heat treatment technology<\/li>\n
      • H\u1ec7 th\u1ed1ng ki\u1ec3m tra v\u00e0 th\u1eed nghi\u1ec7m ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t<\/li>\n
      • Fast global delivery and stable supply<\/li>\n<\/ul>\n

        C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/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":"

        C\u00e1c 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 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