{"id":8646,"date":"2026-11-02T14:22:47","date_gmt":"2026-11-02T06:22:47","guid":{"rendered":"https:\/\/gfmparts.com\/?post_type=product&p=8646"},"modified":"2026-11-02T14:37:28","modified_gmt":"2026-11-02T06:37:28","slug":"cat-e390-excavator-bottom-roller-factory","status":"publish","type":"product","link":"https:\/\/gfmparts.com\/pt\/product\/cat-e390-excavator-bottom-roller-factory\/","title":{"rendered":"Wholesale Cat E390 Excavator Bottom Roller Factory"},"content":{"rendered":"

In heavy-duty mining and large-scale earthmoving operations, undercarriage reliability directly determines machine productivity and maintenance expenses. As a leading f\u00e1brica de rolos inferiores<\/b><\/a>, GFM manufactures heavy-duty bottom rollers designed to withstand continuous high loads, extreme abrasion, and harsh operating environments. Our engineered Cat E390 rolo inferior da escavadeira<\/b><\/a> components deliver maximum wear resistance, structural stability, and seamless operational performance for global fleet owners and equipment distributors.<\/p>\n

Product Parameters<\/span><\/h3>\n

The Cat E390 rolo inferior da escavadeira<\/b><\/a> is specifically engineered for high-tonnage machinery operating in demanding terrain. GFM utilizes automated precision forging and deep thermal heat treatment to ensure every roller shell resists premature shell cracking and structural fatigue under heavy stress.<\/p>\n\n\n\n\n\n\n\n\n\n\n
Core Parameter<\/strong><\/td>\nStandard Specification<\/strong><\/td>\n<\/tr>\n<\/thead>\n
Applicable Machine<\/b><\/span><\/td>\nCat E390 Excavator<\/span><\/td>\n<\/tr>\n
Shell Material<\/b><\/span><\/td>\nForged Alloy Steel (40Mn2 \/ 50Mn<\/b>)<\/span><\/td>\n<\/tr>\n
Dureza da superf\u00edcie<\/b><\/span><\/td>\nHRC 52-58<\/b><\/span><\/td>\n<\/tr>\n
Hardened Depth<\/b><\/span><\/td>\n8mm \u2013 12mm<\/b><\/span><\/td>\n<\/tr>\n
Sistema de Veda\u00e7\u00e3o<\/b><\/span><\/td>\nDual-Metal Duo-Cone<\/b> Floating Seal<\/span><\/td>\n<\/tr>\n
Factory Warranty<\/b><\/span><\/td>\n1 Year \/ 2000 Working Hours<\/b><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

To complete the heavy-duty shaft assembly, GFM selects premium 45# \/ 40Cr<\/b> high-strength steel paired with hardened copper bushings. This high-precision internal structure ensures uniform load distribution across the roller, minimizing friction and extending total undercarriage operational hours.<\/p>\n

Vantagens do produto<\/span><\/h3>\n

Cat E390 bottom roller<\/b> components engineered by GFM combine advanced metallurgy with precision CNC machining to prevent track misalignment and reduce expensive machine downtime. Selecting high-performance bottom rollers ensures replacement undercarriage parts that equal or exceed original OEM standards.<\/p>\n

    \n
  • \n

    Heavy-Duty Forged Alloy Steel<\/b>: Specially selected high-tensile alloy steel delivers exceptional structural toughness under sudden impacts in mining operations.<\/p>\n<\/li>\n

  • \n

    Deep Thermal Heat Treatment<\/b>: Continuous induction hardening creates a deep wear layer (HRC 52-58<\/b>), extending overall shell life even on jagged gravel and hard rock surfaces.<\/p>\n<\/li>\n

  • \n

    Dual-Metal Floating Seal Technology<\/b>: High-precision Duo-Cone<\/b> seals lock in long-life lubrication oil while permanently blocking mud, dust, and water ingress.<\/p>\n<\/li>\n

  • \n

    Anti-Derailment Rail Geometry<\/b>: Precision-machined wheel flanges keep track links properly aligned, dramatically reducing vibration and side wear on track chain assemblies.<\/p>\n<\/li>\n<\/ul>\n

    Through these structural enhancements, our bottom rollers help fleet managers achieve up to 98% machine uptime<\/b>, significantly lowering maintenance frequency and replacement overhead.<\/p>\n

    Descri\u00e7\u00e3o do produto<\/span><\/h3>\n
      \n
    • Quantidade m\u00ednima:<\/strong>\u00a01 PC<\/span><\/li>\n
    • M\u00e9todo de pagamento:<\/strong>\u00a0T\/T<\/span><\/li>\n
    • Marca:<\/strong>\u00a0GFM<\/span><\/li>\n
    • Doen\u00e7a:<\/strong>\u00a0Novo<\/span><\/li>\n
    • Cor:<\/strong>\u00a0Amarelo, Preto ou Personalizado<\/span><\/li>\n
    • Tempo de espera:<\/strong>\u00a030 dias<\/span><\/li>\n
    • Garantia:<\/strong>\u00a01 ano<\/span><\/li>\n
    • Servi\u00e7o:<\/strong>\u00a0OEM ou ODM<\/span><\/li>\n
    • Local de origem:<\/strong>\u00a0Fujian, China<\/span><\/li>\n
    • Aplicativo:<\/strong> Escavadeira<\/span><\/li>\n
    • Embalagem:<\/strong> Palete de madeira padr\u00e3o para exporta\u00e7\u00e3o<\/span><\/li>\n<\/ul>\n

      Caracter\u00edsticas<\/span><\/h3>\n
        \n
      • <\/b>Pr\u00eamio <\/b><\/strong>Materiais<\/b><\/strong>: Feito com a\u00e7o de alta qualidade e resistente ao desgaste para garantir uma vida \u00fatil mais longa e desempenho consistente.<\/span><\/li>\n
      • <\/b>Selado e Lubrificado<\/b><\/strong>: Projetado com um sistema selado que mant\u00e9m os rolos lubrificados, reduz o atrito e evita a entrada de sujeira ou \u00e1gua.<\/span><\/li>\n
      • <\/b>Opera\u00e7\u00e3o suave e est\u00e1vel<\/b><\/strong>: Projetado com precis\u00e3o para movimento equilibrado, melhorando a efici\u00eancia de sua m\u00e1quina.<\/span><\/li>\n
      • <\/b>Serve para v\u00e1rios modelos<\/b><\/strong>:Oferecido em projetos de flange simples, flange dupla e flange central para se adequar a uma ampla variedade de escavadeiras e tratores de esteira.<\/span><\/li>\n
      • <\/b>Resist\u00eancia comprovada<\/b><\/strong>: Testado para lidar com cargas pesadas e operar efetivamente em ambientes dif\u00edceis, garantindo tempo de inatividade m\u00ednimo.<\/span><\/li>\n<\/ul>\n

        Na GFM Factory, temos o compromisso de fornecer componentes de alta qualidade que aumentam a efici\u00eancia e a longevidade do seu equipamento. Nossos roletes de esteira s\u00e3o projetados para manter suas m\u00e1quinas operando com desempenho m\u00e1ximo, reduzindo o tempo de inatividade e os custos de manuten\u00e7\u00e3o.<\/span><\/p>\n

        Para mais informa\u00e7\u00f5es ou para consultar modelos espec\u00edficos, entre em contato conosco. GFM Factory \u2013 Sua fonte confi\u00e1vel de pe\u00e7as!<\/span><\/p>\n

        Especifica\u00e7\u00f5es<\/span><\/h3>\n

        \"Especifica\u00e7\u00f5es<\/p>\n

        Modelos de produtos<\/span><\/h3>\n

        \"descri\u00e7\u00e3o<\/p>\n

        Processo de produ\u00e7\u00e3o<\/span><\/h3>\n