{"id":13202,"date":"2026-03-12T10:09:59","date_gmt":"2026-03-12T02:09:59","guid":{"rendered":"https:\/\/www.zmsbearing.com\/?p=13202"},"modified":"2026-06-30T11:15:58","modified_gmt":"2026-06-30T03:15:58","slug":"os-10-principais-fornecedores-de-rolamentos-de-seccao-fina","status":"publish","type":"post","link":"https:\/\/www.zmsbearing.com\/pt\/top-10-thin-section-bearing-suppliers\/","title":{"rendered":"Os 10 principais fornecedores de rolamentos de sec\u00e7\u00e3o fina do mundo (Guia 2026)"},"content":{"rendered":"

Looking for thin section bearing suppliers in the world? In this post you will get enough informaiton.<\/p>\n\n\n\n

\"Rolamento<\/figure>\n\n\n\n

In a thin section bearing, the cross-section remains constant, regardless of how large the bore diameter gets. This unique design allows engineers to run large-diameter shafts through the center of the bearing (for wiring, pneumatics, or optics) without adding unnecessary bulk or weight to the machine.<\/p>\n\n\n\n

Before this post, we want to introduce us a professional thin section bearings supplier<\/a><\/em><\/strong> in China. If you want to buy alternative thin section bearings, please contact us.<\/p>\n\n\n\n

1. Kaydon Bearings (SKF Group) \u2013 The Global Leader<\/h2>\n\n\n\n
\"Rolamento<\/figure>\n\n\n\n

Fundada em 1941 e adquirida pela SKF em 2013, a Kaydon Bearings est\u00e1 sediada em Muskegon, Michigan, EUA. Ela literalmente inventou o padr\u00e3o moderno de sec\u00e7\u00e3o fina com seu famoso Reali-Slim\u00ae<\/strong> (polegada e m\u00e9trica) e Ultra-Slim<\/strong> s\u00e9rie. Os tamanhos dos furos variam de \u00be\u201d a 40\u2033 (19 mm a mais de 1 m), com sec\u00e7\u00f5es transversais constantes t\u00e3o finas como 3\/16\u2033. Tem \u00e0 sua disposi\u00e7\u00e3o centenas de configura\u00e7\u00f5es: a\u00e7o inoxid\u00e1vel, h\u00edbridos, revestimento resistente \u00e0 corros\u00e3o Endurakote\u00ae, vedantes e revestimentos personalizados.<\/p>\n\n\n\n

Pontos fortes<\/strong>: O maior cat\u00e1logo do planeta, uma flexibilidade de conce\u00e7\u00e3o inigual\u00e1vel e comprovada nos ambientes mais adversos (incluindo os rovers de Marte).<\/p>\n\n\n\n

Certifica\u00e7\u00f5es<\/strong>: AS9100D, ISO 9001, montagem em sala limpa.<\/p>\n\n\n\n

Melhor para<\/strong>: Aeroespacial, defesa, rob\u00f3tica, dispositivos m\u00e9dicos, equipamento de semicondutores e \u00f3tica.<\/p>\n\n\n\n

2. Silverthin Bearings (Mechatronics Corporation)<\/h2>\n\n\n\n
\"Rolamentos<\/figure>\n\n\n\n

Com sede em Preston, Washington, EUA, a Silverthin \u00e9 100% de fabrico americano e faz parte da empresa privada Mechatronics Corp. Oferece linhas completas de sec\u00e7\u00e3o fina em polegadas e m\u00e9tricas (tipos A, C, X) e an\u00e9is girat\u00f3rios, com furos at\u00e9 37\u2033+.<\/p>\n\n\n\n

Pontos fortes<\/strong>: Conformidade com DFARS, certifica\u00e7\u00e3o ISO 9001:2015 e fabrica\u00e7\u00e3o incrivelmente flex\u00edvel - prazos de entrega perfeitos para prot\u00f3tipos e tiragens de alto volume. Muitos engenheiros consideram-na a melhor alternativa \u201cMade in USA\u201d \u00e0 Kaydon a pre\u00e7os competitivos. Melhor para<\/strong>: Rob\u00f3tica, aeroespacial, defesa e maquinaria industrial onde o abastecimento nacional \u00e9 importante.<\/p>\n\n\n\n

3. RBC Bearings Incorporated<\/h2>\n\n\n\n
\"Rolamentos<\/figure>\n\n\n\n

Com sede em Oxford, Connecticut, EUA, a RBC \u00e9 uma verdadeira pot\u00eancia aeroespacial\/defesa. A sua gama de sec\u00e7\u00f5es finas abrange Tipo A (contacto angular)<\/strong>, Tipo C (radial)<\/strong>e Tipo X (contacto de 4 pontos)<\/strong> rolamentos, para al\u00e9m de vers\u00f5es seladas e de engenharia personalizada. Ap\u00f3s a aquisi\u00e7\u00e3o da Industrial Tectonics Bearings (ITB), domina os projectos de elevada rigidez e de classifica\u00e7\u00e3o de v\u00e1cuo.<\/p>\n\n\n\n

Pontos fortes<\/strong>: Capacidade excecional de carga combinada e apoio completo de engenharia personalizada.<\/p>\n\n\n\n

Certifica\u00e7\u00f5es<\/strong>: AS9100 e as principais aprova\u00e7\u00f5es OEM.<\/p>\n\n\n\n

Melhor para<\/strong>: Defesa, aeroespacial, fabrico de semicondutores e rob\u00f3tica de alta fiabilidade.<\/p>\n\n\n\n

4. Schaeffler Group (INA \/ FAG)<\/h2>\n\n\n\n
\"Rolamento<\/figure>\n\n\n\n

Com sede em Herzogenaurach, Alemanha, a Schaeffler \u00e9 um dos maiores grupos de rolamentos do mundo. Os seus rolamentos de esferas de sec\u00e7\u00e3o fina da marca INA est\u00e3o dispon\u00edveis em modelos de ranhura profunda, de contacto angular e de quatro pontos de contacto.<\/p>\n\n\n\n

Pontos fortes<\/strong>: Capacidade de carga superior, ru\u00eddo\/vibra\u00e7\u00e3o extremamente baixos e uma enorme rede mundial de fabrico e distribui\u00e7\u00e3o.<\/p>\n\n\n\n

Melhor para<\/strong>: Rob\u00f3tica, equipamento m\u00e9dico, automa\u00e7\u00e3o autom\u00f3vel e maquinaria de precis\u00e3o (especialmente forte na Europa e na \u00c1sia).<\/p>\n\n\n\n

5. NSK Ltd.<\/h2>\n\n\n\n
\"Rolamento<\/figure>\n\n\n\n

Fundada em 1916 e sediada em T\u00f3quio, no Jap\u00e3o, a NSK \u00e9 a rainha da precis\u00e3o com seus S\u00e9rie N<\/strong> e NB7 ultra-fino<\/strong> rolamentos m\u00e9tricos de esferas.<\/p>\n\n\n\n

Pontos fortes<\/strong>: Bin\u00e1rio de fric\u00e7\u00e3o ultra-baixo, rota\u00e7\u00e3o suave e precis\u00e3o de funcionamento de n\u00edvel japon\u00eas - ideal para alta velocidade e miniaturiza\u00e7\u00e3o.<\/p>\n\n\n\n

Melhor para<\/strong>: Equipamento para semicondutores, robots industriais, imagiologia m\u00e9dica, m\u00e1quinas-ferramentas e bur\u00f3tica.<\/p>\n\n\n\n

6. The Timken Company<\/h2>\n\n\n\n
\"Rolamento<\/figure>\n\n\n\n

Com sede em North Canton, Ohio, EUA (fundada em 1899), a Timken oferece rolamentos de precis\u00e3o de sec\u00e7\u00e3o fina, de ranhura profunda e de contacto angular em a\u00e7o inoxid\u00e1vel ou cromado, com pistas superacabadas.<\/p>\n\n\n\n

Pontos fortes<\/strong>: Precis\u00e3o ABEC 5\/7, fric\u00e7\u00e3o\/vibra\u00e7\u00e3o ultra-baixa e uma das cadeias de fornecimento globais mais fortes do sector.<\/p>\n\n\n\n

Melhor para<\/strong>: Dispositivos m\u00e9dicos, ind\u00fastria aeroespacial, maquinaria industrial e rob\u00f3tica.<\/p>\n\n\n\n

7. New Hampshire Ball Bearings (NHBB \u2013 MinebeaMitsumi)<\/h2>\n\n\n\n
\"Rolamento<\/figure>\n\n\n\n

Com sede em Peterborough, New Hampshire, EUA (subsidi\u00e1ria da japonesa MinebeaMitsumi), a NHBB \u00e9 especializada em rolamentos de sec\u00e7\u00e3o fina e de tubo de bin\u00e1rio cr\u00edticos para o voo, com um di\u00e2metro at\u00e9 10\u2033.<\/p>\n\n\n\n

Pontos fortes<\/strong>: Op\u00e7\u00f5es de cer\u00e2mica h\u00edbrida, materiais ex\u00f3ticos (Inconel, Stellite) e experi\u00eancia em ambientes extremos.<\/p>\n\n\n\n

Certifica\u00e7\u00f5es<\/strong>: AS9100.<\/p>\n\n\n\n

Melhor para<\/strong>: Aplica\u00e7\u00f5es aeroespaciais, de defesa, espaciais e dispositivos m\u00e9dicos topo de gama.<\/p>\n\n\n\n

8. NTN Corporation<\/h2>\n\n\n\n
\"Rolamento<\/figure>\n\n\n\n

Com sede em Osaka, Jap\u00e3o, a NTN Sec\u00e7\u00e3o ultrafina<\/strong> Os rolamentos de esferas (radiais, de 4 pontos, de contacto angular) s\u00e3o fornecidos com vedantes opcionais e privilegiam a extrema compacidade.<\/p>\n\n\n\n

Pontos fortes<\/strong>: Controlo de qualidade japon\u00eas s\u00f3lido como uma rocha e excelente equil\u00edbrio entre custo e desempenho.<\/p>\n\n\n\n

Melhor para<\/strong>: Rob\u00f3tica, automa\u00e7\u00e3o, dispositivos m\u00e9dicos e m\u00e1quinas de precis\u00e3o em geral.<\/p>\n\n\n\n

9. Koyo Bearings (JTEKT Corporation)<\/h2>\n\n\n\n
\"Rolamentos<\/figure>\n\n\n\n

Sede social:<\/strong> Osaka, Jap\u00e3o (JTEKT global HQ) A Koyo, sob a JTEKT, oferece os rolamentos de esferas de sec\u00e7\u00e3o super fina da s\u00e9rie K em tr\u00eas tipos principais: ranhura profunda (C), contacto angular (A) e contacto de quatro pontos (X). Estes s\u00e3o modelos abertos ou vedados com sec\u00e7\u00f5es transversais constantes, desde muito finas (por exemplo, 4,762 mm \/ 3\/16\u2033) at\u00e9 sec\u00e7\u00f5es maiores (por exemplo, 25,4 mm). Os tamanhos dos furos variam muito - desde pequenos (cerca de 25 mm) a grandes (mais de 300 mm \/ 12\u2033+), com exemplos como KTC010, KCA120, KAX035, KUC045 2RD (selado), e outros maiores como KFX180.<\/p>\n\n\n\n

Pontos fortes:<\/strong> Engenharia japonesa de elevada precis\u00e3o, baixo bin\u00e1rio\/rota\u00e7\u00e3o suave, capacidades de carga fi\u00e1veis e boa disponibilidade nos mercados de automa\u00e7\u00e3o\/rob\u00f3tica.<\/p>\n\n\n\n

Oferecem um excelente desempenho em termos de custos em compara\u00e7\u00e3o com as marcas ultra-premium dos EUA, al\u00e9m de op\u00e7\u00f5es para ambientes especiais (por exemplo, compat\u00edveis com salas limpas). Os cat\u00e1logos confirmam o suporte t\u00e9cnico completo, as toler\u00e2ncias (at\u00e9 classes elevadas como K4\/K6) e os detalhes de montagem.<\/p>\n\n\n\n

Certifica\u00e7\u00f5es:<\/strong> Normas ISO, com capacidade aeroespacial em algumas linhas (a JTEKT possui qualifica\u00e7\u00f5es aeroespaciais).<\/p>\n\n\n\n

Melhor para:<\/strong> Rob\u00f4s industriais, equipamento de automa\u00e7\u00e3o, maquinaria de precis\u00e3o, ferramentas para semicondutores e aplica\u00e7\u00f5es gerais de elevada precis\u00e3o em que a qualidade japonesa e os pre\u00e7os competitivos s\u00e3o importantes. Forte na \u00c1sia-Pac\u00edfico e nas cadeias de fornecimento OEM globais.<\/p>\n\n\n\n

10. Nachi-Fujikoshi Corp.<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Sede social:<\/strong> Jap\u00e3o <\/p>\n\n\n\n

Vis\u00e3o geral:<\/strong> Nachi-Fujikoshi brings a highly unique advantage to the thin section bearing market: they are not just a bearing manufacturer; they are one of the world\u2019s leading builders of industrial robots.<\/strong> This dual identity gives them an unparalleled edge. Because Nachi designs and builds advanced 6-axis robotic arms, their bearing engineering team knows exactly what is required inside a robotic joint. They understand the extreme demands for high stiffness, compact space, and the ability to handle complex moment (tilting) loads. Their thin-profile bearings are engineered with this direct, in-house robotic feedback. <\/p>\n\n\n\n

Best Known For:<\/strong> Highly specialized thin section bearings and crossed-roller bearings optimized specifically for industrial robotic arms, factory automation, and heavy-duty manipulators.<\/p>\n\n\n\n

How to Get high Quality Without the high Price.<\/h2>\n\n\n\n

As a professional precision bearing manufacturer based in China,ZMS Bearings Co., Ltd.<\/a><\/em><\/strong> specializes in producing thin section bearings that good substitute for major brands like Kaydon (KA, KB, KC, KD, KF, KG series) and RBC. <\/p>\n\n\n\n

Beyond Manufacturing: We Understand Your Application Challenges<\/h2>\n\n\n\n

Producing a thin section bearing is not just about machining steel; it\u2019s about understanding exactly where<\/em> e how<\/em> that bearing will be used. At ZMS, we don’t just sell components\u2014we partner with engineers to solve complex rotational challenges.<\/p>\n\n\n\n

Through years of supplying global industries, we deeply understand the critical pain points in your specific applications:<\/p>\n\n\n\n

1. Robotics & Automation (Cobots, AGVs, & Robotic Arms)<\/strong>
We know that in robotic joint design, every millimeter and every gram counts. You need a large bore to route cables and pneumatics through the center of the joint, but you cannot afford a bulky housing. We understand the importance of Type X (Four-Point Contact)<\/strong> bearings in these scenarios, allowing a single bearing to handle radial, axial, and complex moment (tilting) loads simultaneously, effectively replacing two standard bearings and saving critical space.<\/p>\n\n\n\n

2. Medical Equipment (CT Scanners & Surgical Robotics)<\/strong>
In the medical field, failure is not an option. Whether it’s the smooth, high-speed rotation of a CT scanner gantry or the zero-backlash precision required for a surgical robotic arm, we know that low friction and silent operation are mandatory. We understand how to optimize internal clearances and select the right lubricants to ensure whisper-quiet, life-long reliability.<\/p>\n\n\n\n

3. Aerospace, Defense & Optics (Radar Mounts & Gimbals)<\/strong>
For aerospace and optical applications, it is all about SWaP<\/strong> (Size, Weight, and Power). We understand the harsh realities of these environments. That is why we are highly experienced in customizing materials (such as 440C Stainless Steel for corrosion resistance) and applying specialized vacuum-compatible or extreme-temperature greases to prevent outgassing and ensure flawless performance in extreme conditions.<\/p>\n\n\n\n

4. The “Out-of-Roundness” Challenge<\/strong>
We also understand the biggest headache engineers face during assembly: installation distortion. Because thin section rings are so flexible, they easily conform to the shape of the housing. Our engineering team actively works with clients to provide guidance on shaft and housing tolerances to prevent installation-induced friction, ensuring the bearing performs exactly as designed.<\/p>\n\n\n\n

Contactar-nos<\/strong> sem hesita\u00e7\u00e3o sales@zmsbearing.com<\/em><\/strong><\/a> when you have any inquiry related to thin section bearings.<\/p>","protected":false},"excerpt":{"rendered":"

Looking for thin section bearing suppliers in the world? In this post you will get enough informaiton. 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In this post you will get enough informaiton. In a thin section bearing, the cross-section […]","_links":{"self":[{"href":"https:\/\/www.zmsbearing.com\/pt\/wp-json\/wp\/v2\/posts\/13202","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zmsbearing.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zmsbearing.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zmsbearing.com\/pt\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zmsbearing.com\/pt\/wp-json\/wp\/v2\/comments?post=13202"}],"version-history":[{"count":15,"href":"https:\/\/www.zmsbearing.com\/pt\/wp-json\/wp\/v2\/posts\/13202\/revisions"}],"predecessor-version":[{"id":15457,"href":"https:\/\/www.zmsbearing.com\/pt\/wp-json\/wp\/v2\/posts\/13202\/revisions\/15457"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zmsbearing.com\/pt\/wp-json\/wp\/v2\/media\/8862"}],"wp:attachment":[{"href":"https:\/\/www.zmsbearing.com\/pt\/wp-json\/wp\/v2\/media?parent=13202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zmsbearing.com\/pt\/wp-json\/wp\/v2\/categories?post=13202"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zmsbearing.com\/pt\/wp-json\/wp\/v2\/tags?post=13202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}