{"id":8016,"date":"2026-07-27T14:48:18","date_gmt":"2026-07-27T06:48:18","guid":{"rendered":"https:\/\/gfmparts.com\/?post_type=product&p=8016"},"modified":"2026-07-27T14:53:47","modified_gmt":"2026-07-27T06:53:47","slug":"hitachi-zx33u-mini-excavator-track-roller-manufacturer","status":"publish","type":"product","link":"https:\/\/gfmparts.com\/pt\/product\/hitachi-zx33u-mini-excavator-track-roller-manufacturer\/","title":{"rendered":"Fabricante do rolo de esteira para mini escavadeira Hitachi ZX33U-5, n\u00famero de pe\u00e7a 4719574"},"content":{"rendered":"

The Hitachi ZX33U-5 is built for compact versatility, but heavy operating conditions place intense friction on undercarriage components. According to construction equipment maintenance benchmarks, over 50% of machine downtime<\/b> originates from undercarriage failure. As an experienced fabricante de rolos de esteira<\/b><\/a>, GFM engineers high-performance aftermarket solutions designed to endure severe impact and minimize costly operational delays.<\/p>\n

GFM provides high-precision rolo de esteira para miniescavadeira<\/b><\/a> replacements tailored specifically for the Hitachi ZX33U-5 model. Our custom OEM and ODM manufacturing capabilities ensure every roller strictly matches exact original mounting specs, weight balance parameters, and stress distribution points. Whether operating in dense mud, abrasive gravel, or rocky demolition sites, GFM undercarriage parts maintain structural integrity.<\/p>\n

Premium Materials and Advanced Manufacturing<\/span><\/h2>\n

To achieve exceptional structural strength, GFM selects premium high-strength alloy steel (such as 40Mn2 and 50Mn) for all heavy-duty components. Every rolo de esteira para miniescavadeira<\/b> undergoes precision forging or specialized casting, followed by automated CNC machining to guarantee sub-millimeter tolerances across deep bore surfaces and mounting brackets.<\/p>\n

Our deep induction heat treatment technology creates a outer hardened shell while retaining a tough, resilient inner core. GFM track rollers incorporate dual-cone heavy-duty floating seals and precision ground steel shafts, preventing lubricant leakage and isolating external abrasive dust.<\/p>\n\n\n\n\n\n\n\n\n\n
Technical Specification<\/strong><\/td>\nStandard Market Aftermarket<\/strong><\/td>\nGFM Heavy-Duty Custom Roller<\/strong><\/td>\n<\/tr>\n<\/thead>\n
Grau do material<\/b><\/span><\/td>\nCarbon Steel \/ Standard Alloy<\/span><\/td>\nA\u00e7o Premium de Alta Resist\u00eancia 40Mn2 \/ 50Mn<\/span><\/td>\n<\/tr>\n
Heat Treatment Hardness<\/b><\/span><\/td>\nHRC 48\u201352<\/span><\/td>\nHRC 52\u201358 Surface Hardness<\/b><\/span><\/td>\n<\/tr>\n
Hardened Layer Depth<\/b><\/span><\/td>\n3mm \u2013 5mm<\/span><\/td>\n8mm \u2013 12mm Deep Case Hardness<\/b><\/span><\/td>\n<\/tr>\n
Sistema de Veda\u00e7\u00e3o<\/b><\/span><\/td>\nStandard Rubber O-Ring<\/span><\/td>\nDual-Cone Floating Seal (NBR \/ Silicone)<\/b><\/span><\/td>\n<\/tr>\n
Lifespan Expectancy<\/b><\/span><\/td>\n~1,200 Operating Hours<\/span><\/td>\nExceeds 2,000 Operating Hours<\/b><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Descri\u00e7\u00e3o do produto<\/span><\/h3>\n
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  • 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
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    • <\/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