{"id":10337,"date":"2025-05-29T01:48:25","date_gmt":"2025-05-29T01:48:25","guid":{"rendered":"https:\/\/www.skf-eu.com\/?post_type=product&#038;p=10337"},"modified":"2025-05-29T02:10:29","modified_gmt":"2025-05-29T02:10:29","slug":"dry-rolling-bearings","status":"publish","type":"product","link":"https:\/\/www.skf-eu.com\/pt\/produto\/dry-rolling-bearings\/","title":{"rendered":"Rolamentos de rolos secos"},"content":{"rendered":"<h2>An\u00e1lise da tecnologia de rolamentos de rolos secos<\/h2>\n<h3>1. Introdu\u00e7\u00e3o ao produto<\/h3>\n<p><strong>Rolamento de rolo seco<\/strong> \u00e9 um rolamento que n\u00e3o necessita de lubrifica\u00e7\u00e3o externa e que se baseia em materiais lubrificantes s\u00f3lidos ou na tecnologia de tratamento de superf\u00edcies para obter um funcionamento de baixa fric\u00e7\u00e3o. As suas principais carater\u00edsticas incluem<\/p>\n<p>Conce\u00e7\u00e3o sem lubrifica\u00e7\u00e3o: s\u00e3o utilizados revestimentos auto-lubrificantes, materiais comp\u00f3sitos ou processos especiais de tratamento t\u00e9rmico para evitar a depend\u00eancia de massa ou \u00f3leo lubrificante.<\/p>\n<p>Desempenho de baixo atrito: a resist\u00eancia ao atrito e o desgaste s\u00e3o reduzidos atrav\u00e9s da otimiza\u00e7\u00e3o da superf\u00edcie da pista e do elemento rolante.<\/p>\n<p>Resist\u00eancia a ambientes extremos: adequado para cen\u00e1rios com alta temperatura, v\u00e1cuo, forte corros\u00e3o ou requisitos de limpeza elevados.<\/p>\n<p>Tipos estruturais t\u00edpicos:<\/p>\n<p>Rolamentos com revestimento de lubrifica\u00e7\u00e3o s\u00f3lida: O revestimento de MoS\u2082, PTFE ou DLC (carbono tipo diamante) \u00e9 pulverizado na superf\u00edcie da pista ou do elemento rolante.<\/p>\n<p>Rolamentos h\u00edbridos de cer\u00e2mica: S\u00e3o utilizadas esferas de cer\u00e2mica Si\u2083N\u2084 ou ZrO\u2082 com gaiolas de a\u00e7o ou a\u00e7o inoxid\u00e1vel.<\/p>\n<p>Rolamentos autolubrificantes: os lubrificantes s\u00f3lidos (como a grafite) s\u00e3o incorporados na gaiola e libertados lentamente durante o funcionamento.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10344 aligncenter\" data-src=\"https:\/\/www.skf-eu.com\/wp-content\/uploads\/2025\/05\/Dry-Bearing-2.webp\" alt=\"Dry Bearing\" width=\"671\" height=\"489\" srcset=\"https:\/\/www.skf-eu.com\/wp-content\/uploads\/2025\/05\/Dry-Bearing-2.webp 671w, https:\/\/www.skf-eu.com\/wp-content\/uploads\/2025\/05\/Dry-Bearing-2-480x350.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 671px, 100vw\" \/><\/p>\n<table class=\"tg\" style=\"border-collapse: collapse; border-spacing: 0;\">\n<thead>\n<tr>\n<th style=\"font-family: Arial, sans-serif; font-size: 14px; font-weight: bold; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Modelo<\/th>\n<th style=\"font-family: Arial, sans-serif; font-size: 14px; font-weight: bold; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Di\u00e2metro interior (mm)<\/th>\n<th style=\"font-family: Arial, sans-serif; font-size: 14px; font-weight: bold; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Di\u00e2metro exterior (mm)<\/th>\n<th style=\"font-family: Arial, sans-serif; font-size: 14px; font-weight: bold; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Largura (mm)<\/th>\n<th style=\"font-family: Arial, sans-serif; font-size: 14px; font-weight: bold; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Material<\/th>\n<th style=\"font-family: Arial, sans-serif; font-size: 14px; font-weight: bold; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Carater\u00edsticas<\/th>\n<th style=\"font-family: Arial, sans-serif; font-size: 14px; font-weight: bold; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Cen\u00e1rios de aplica\u00e7\u00e3o<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">DRB-1010<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">10<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">20<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">10<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Cer\u00e2mica de alta temperatura<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Resist\u00eancia a altas temperaturas, baixo coeficiente de atrito<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Fornos de alta temperatura, equipamento qu\u00edmico<\/td>\n<\/tr>\n<tr>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">DRB-2020<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">20<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">30<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">15<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Liga \u00e0 base de n\u00edquel<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Resist\u00eancia \u00e0 corros\u00e3o, excelente resist\u00eancia \u00e0 oxida\u00e7\u00e3o<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Ind\u00fastria petroqu\u00edmica, engenharia naval<\/td>\n<\/tr>\n<tr>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">DRB-3030<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">30<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">40<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">20<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Cer\u00e2mica de carboneto de sil\u00edcio<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Elevada dureza, excelente resist\u00eancia ao desgaste<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Ambientes poeirentos, equipamento mineiro<\/td>\n<\/tr>\n<tr>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">DRB-4040<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">40<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">60<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">25<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Liga de tit\u00e2nio + revestimento<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Leve, de elevada resist\u00eancia e baixa fric\u00e7\u00e3o<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Aeroespacial, equipamento de precis\u00e3o<\/td>\n<\/tr>\n<tr>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">DRB-5050<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">50<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">70<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">30<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">A\u00e7o cromado duro<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">Alta resist\u00eancia, baixa fric\u00e7\u00e3o, sem necessidade de lubrifica\u00e7\u00e3o<\/td>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: center; vertical-align: middle; word-break: normal; border: 1px solid black;\">M\u00e1quinas de carga elevada, equipamento pesado<\/td>\n<\/tr>\n<tr>\n<td style=\"font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; padding: 10px 5px; text-align: left; vertical-align: top; word-break: normal; border: 1px solid black;\" colspan=\"7\">Explica\u00e7\u00e3o do par\u00e2metro:<br \/>\nDi\u00e2metro interior, di\u00e2metro exterior, largura: Estas representam as principais dimens\u00f5es de instala\u00e7\u00e3o do rolamento: O material de base do rolamento e quaisquer revestimentos especiais (se aplic\u00e1vel).Carater\u00edsticas: Principais carater\u00edsticas de desempenho do rolamento em condi\u00e7\u00f5es de atrito seco.<\/p>\n<p>Cen\u00e1rios de aplica\u00e7\u00e3o: Campos recomendados para aplica\u00e7\u00e3o.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>2. An\u00e1lise da aplica\u00e7\u00e3o do produto<\/h3>\n<p>(1) M\u00e1quinas industriais<\/p>\n<p>Equipamento de embalagem de alimentos: evita a contamina\u00e7\u00e3o do lubrificante e cumpre os requisitos de certifica\u00e7\u00e3o da FDA\/NSF.<\/p>\n<p>M\u00e1quinas t\u00eaxteis: reduzem a adsor\u00e7\u00e3o de fibras e a frequ\u00eancia de manuten\u00e7\u00e3o.<\/p>\n<p>(2) Transportes<\/p>\n<p>Rolamentos de motores de ve\u00edculos el\u00e9ctricos: reduzem o impacto do envelhecimento da massa lubrificante e melhoram a estabilidade a altas temperaturas.<\/p>\n<p>Aeroespacial: adequado para ambientes de v\u00e1cuo ou de temperaturas extremas (como os mecanismos de acionamento de sat\u00e9lites).<\/p>\n<p>(3) Energia e ind\u00fastria pesada<\/p>\n<p>Sistema de guinada da turbina e\u00f3lica: resist\u00eancia \u00e0 corros\u00e3o por proje\u00e7\u00e3o salina e conce\u00e7\u00e3o isenta de manuten\u00e7\u00e3o.<\/p>\n<p>Equipamento de fundi\u00e7\u00e3o cont\u00ednua de a\u00e7o: funcionamento est\u00e1vel em ambiente de alta temperatura (at\u00e9 400\u00b0C ou superior).<\/p>\n<p>(4) Medicina e semicondutores<\/p>\n<p>Rob\u00f4s m\u00e9dicos: sem liberta\u00e7\u00e3o de part\u00edculas, cumprem as normas de salas limpas (ISO Classe 5+).<\/p>\n<p>Rob\u00f4 de manuseamento de bolachas: precis\u00e3o ultra-elevada, evita a contamina\u00e7\u00e3o por volatiliza\u00e7\u00e3o do lubrificante.<\/p>\n<h3>3. Resumo<\/h3>\n<p>Vantagens Limita\u00e7\u00f5es<br \/>\nSem manuten\u00e7\u00e3o, custos operacionais mais baixos \u2716 Custo inicial elevado<br \/>\nResistente a altas temperaturas, v\u00e1cuo e ambientes corrosivos \u2716 O desempenho a alta velocidade \u00e9 ligeiramente inferior \u00e0 lubrifica\u00e7\u00e3o a \u00f3leo<br \/>\nSem polui\u00e7\u00e3o, adequado para cen\u00e1rios limpos \u2716 \u00c9 necess\u00e1ria uma sele\u00e7\u00e3o espec\u00edfica (valor PV)<br \/>\nPrioridade do cen\u00e1rio de aplica\u00e7\u00e3o:<\/p>\n<p>Utiliza\u00e7\u00e3o recomendada: ambientes extremos, requisitos sem \u00f3leo e ocasi\u00f5es sem manuten\u00e7\u00e3o a longo prazo.<\/p>\n<p>Utilizar com precau\u00e7\u00e3o: velocidade ultra-alta (&gt;10.000 rpm), condi\u00e7\u00f5es de carga de impacto frequente.<\/p>\n<h3>4. FAQ (Perguntas mais frequentes)<\/h3>\n<p>Q1: Qual \u00e9 a vida \u00fatil dos rolamentos de fric\u00e7\u00e3o a seco?<br \/>\nA1: A vida \u00fatil depende da carga e da velocidade, normalmente 60%~80% dos rolamentos lubrificados a \u00f3leo, mas pode ser significativamente melhor do que os rolamentos tradicionais em ambientes de alta temperatura\/sem \u00f3leo.<\/p>\n<p>Q2: \u00c9 necess\u00e1rio um per\u00edodo de rodagem?<br \/>\nA2: Alguns rolamentos revestidos requerem uma rodagem de curta dura\u00e7\u00e3o (&lt;50 horas) para formar uma pel\u00edcula de transfer\u00eancia est\u00e1vel, e os rolamentos de cer\u00e2mica podem ser utilizados diretamente.<\/p>\n<p>P3: Pode substituir todos os rolamentos lubrificados?<br \/>\nR3: N\u00e3o, as condi\u00e7\u00f5es de trabalho t\u00eam de ser avaliadas (por exemplo, a lubrifica\u00e7\u00e3o com \u00f3leo continua a ser recomendada para alta velocidade e carga pesada).<\/p>\n<p>Q4: Como limpar rolamentos de fric\u00e7\u00e3o secos?<\/p>\n<p>A4: Utilizar um pano que n\u00e3o largue p\u00ealos ou uma limpeza por ultra-sons (para evitar que os solventes fortes danifiquem o revestimento).<\/p>\n<p>Q5: Qual \u00e9 a temperatura m\u00e1xima toler\u00e1vel?<\/p>\n<p>A5: Os rolamentos revestidos comuns s\u00e3o cerca de 250 \u2103, e os rolamentos de cer\u00e2mica podem chegar a 800 \u2103 (s\u00e3o necess\u00e1rias gaiolas resistentes a altas temperaturas).<\/p>\n<h3>5. Sugest\u00f5es de sele\u00e7\u00e3o<\/h3>\n<p>Etapa 1: Identificar o ambiente (temperatura, meio, limpeza).<\/p>\n<p>Passo 2: Calcular o valor PV (press\u00e3o \u00d7 velocidade) e fazer corresponder a capacidade de carga da chumaceira.<\/p>\n<p>Passo 3: Selecionar o revestimento\/material (por exemplo, MoS\u2082 \u00e9 adequado para v\u00e1cuo, PTFE \u00e9 resistente \u00e0 corros\u00e3o qu\u00edmica).<\/p>\n<p>Exemplo: O equipamento de semicondutores pode escolher rolamentos revestidos com DLC e o equipamento de energia e\u00f3lica deve utilizar rolamentos h\u00edbridos de cer\u00e2mica.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10345 aligncenter\" data-src=\"https:\/\/www.skf-eu.com\/wp-content\/uploads\/2025\/05\/SKF-warehouse-1-1.webp\" alt=\"SKF warehouse \" width=\"716\" height=\"328\" srcset=\"https:\/\/www.skf-eu.com\/wp-content\/uploads\/2025\/05\/SKF-warehouse-1-1.webp 716w, https:\/\/www.skf-eu.com\/wp-content\/uploads\/2025\/05\/SKF-warehouse-1-1-480x220.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 716px, 100vw\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Product Features and Advantages<br \/>\nMaintenance-free operation<\/p>\n<p>No need to add grease or lubricant, reducing maintenance costs, suitable for difficult-to-lubricate occasions.<\/p>\n<p>Resistant to extreme environments<\/p>\n<p>Adapt to high temperature (up to 800\u00b0C), vacuum, strong corrosion or high cleanliness requirements (such as medical and semiconductor industries).<\/p>\n<p>Low friction and wear resistance<\/p>\n<p>Adopt MoS\u2082, PTFE, DLC coating or ceramic rolling elements, low friction coefficient and long life.<\/p>\n<p>No pollution<\/p>\n<p>No grease volatilization or shedding, in line with the cleanliness standards of food, medicine and other industries (FDA\/ISO Class 5+).<\/p>\n<p>High reliability<\/p>\n<p>Avoids failures caused by lubrication failure of traditional bearings, suitable for long-term unmanned maintenance scenarios (such as wind power and aerospace).<\/p>\n<p>See more at <a href=\"https:\/\/www.skf-eu.com\/category\/plain-bearing\/dry-bearing\/\"><strong>Rolamento seco<\/strong><\/a> Cat\u00e1logo!<\/p>","protected":false},"featured_media":10340,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_cat":[304,249],"product_tag":[305],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>China Wholesale Dry Rolling Bearings Supplier - Comdale Bearing<\/title>\n<meta name=\"description\" content=\"As Professional Dry Rolling Bearings distributor , Comdale supply Roller Bearings, Ball Bearings, Plain Bearing, Slewing Ring Bearings, Combined Bearings, Linear Bearings\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.skf-eu.com\/pt\/produto\/dry-rolling-bearings\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"China Wholesale Dry Rolling Bearings Supplier - Comdale Bearing\" \/>\n<meta property=\"og:description\" content=\"As Professional Dry Rolling Bearings distributor , Comdale supply Roller Bearings, Ball Bearings, Plain Bearing, Slewing Ring Bearings, Combined Bearings, Linear Bearings\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.skf-eu.com\/pt\/produto\/dry-rolling-bearings\/\" \/>\n<meta property=\"og:site_name\" content=\"Comdale Bearing\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-29T02:10:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.skf-eu.com\/wp-content\/uploads\/2025\/05\/Dry-Rolling-Bearing-1.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"2000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.skf-eu.com\/product\/dry-rolling-bearings\/\",\"url\":\"https:\/\/www.skf-eu.com\/product\/dry-rolling-bearings\/\",\"name\":\"China Wholesale Dry Rolling Bearings Supplier - 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