{"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\/es_es\/producto\/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 rodillos 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 rodillo inferior de la excavadora<\/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 rodillo inferior de la excavadora<\/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 superficial<\/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 sellado<\/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

Ventajas del producto<\/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

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    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

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    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

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    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

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    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

    Descripci\u00f3n del Producto<\/span><\/h3>\n
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    • Cantidad m\u00ednima de pedido:<\/strong>\u00a01 pieza<\/span><\/li>\n
    • M\u00e9todo de pago:<\/strong>\u00a0Transferencia bancaria<\/span><\/li>\n
    • Marca:<\/strong>\u00a0GFM<\/span><\/li>\n
    • Condici\u00f3n:<\/strong>\u00a0Nuevo<\/span><\/li>\n
    • Color:<\/strong>\u00a0Amarillo, negro o personalizado<\/span><\/li>\n
    • Plazo de entrega:<\/strong>\u00a030 d\u00edas<\/span><\/li>\n
    • Garant\u00eda:<\/strong>\u00a01 a\u00f1o<\/span><\/li>\n
    • Servicio:<\/strong>\u00a0OEM o ODM<\/span><\/li>\n
    • Lugar de origen:<\/strong>\u00a0Fujian, China<\/span><\/li>\n
    • Solicitud:<\/strong> Excavadora<\/span><\/li>\n
    • Embalaje:<\/strong> Palet de madera de exportaci\u00f3n est\u00e1ndar<\/span><\/li>\n<\/ul>\n

      Caracter\u00edsticas<\/span><\/h3>\n
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      • <\/b>De primera calidad <\/b><\/strong>Materiales<\/b><\/strong>:Fabricado con acero resistente al desgaste de alta calidad para garantizar una vida \u00fatil m\u00e1s larga y un rendimiento constante.<\/span><\/li>\n
      • <\/b>Sellado y lubricado<\/b><\/strong>:Dise\u00f1ado con un sistema sellado que mantiene los rodillos lubricados, reduce la fricci\u00f3n y evita la entrada de suciedad o agua.<\/span><\/li>\n
      • <\/b>Funcionamiento suave y estable<\/b><\/strong>Dise\u00f1ado con precisi\u00f3n para un movimiento equilibrado, mejorando la eficiencia de su maquinaria.<\/span><\/li>\n
      • <\/b>Se adapta a varios modelos<\/b><\/strong>:Se ofrece en dise\u00f1os de brida simple, brida doble y brida central para adaptarse a una amplia gama de excavadoras y bulldozers.<\/span><\/li>\n
      • <\/b>Dureza comprobada<\/b><\/strong>:Probado para manejar cargas pesadas y funcionar eficazmente en entornos dif\u00edciles, lo que garantiza un tiempo de inactividad m\u00ednimo.<\/span><\/li>\n<\/ul>\n

        En GFM Factory, nos comprometemos a ofrecer componentes de alta calidad que mejoran la eficiencia y la durabilidad de su equipo. Nuestros rodillos gu\u00eda est\u00e1n dise\u00f1ados para mantener su maquinaria funcionando al m\u00e1ximo rendimiento, reduciendo el tiempo de inactividad y los costos de mantenimiento.<\/span><\/p>\n

        Para m\u00e1s informaci\u00f3n o consultas sobre modelos espec\u00edficos, cont\u00e1ctenos. GFM Factory: \u00a1Su proveedor confiable de repuestos!<\/span><\/p>\n

        Presupuesto<\/span><\/h3>\n

        \"Especificaciones<\/p>\n

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

        \"Descripci\u00f3n<\/p>\n

        Proceso de producci\u00f3n<\/span><\/h3>\n