{"id":3694,"date":"2021-01-21T10:44:40","date_gmt":"2021-01-21T09:44:40","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=3694"},"modified":"2025-09-25T16:04:37","modified_gmt":"2025-09-25T14:04:37","slug":"rodillos-de-agujas-nrb","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/es\/productos\/rodillos-cilindricos-y-de-agujas\/rodillos-de-agujas-nrb\/","title":{"rendered":"Rodillos de agujas NRB"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Needle_roller_bearing?utm_source=chatgpt.com\">Rodillos de agujas NRB con extremos planos \u2013 Rodillos de extremos planos para conjuntos r\u00edgidos y de alta carga<\/a><\/h2>\n<p>Los rodillos de agujas NRB con extremos planos son elementos de punta plana utilizados en jaulas de precisi\u00f3n y conjuntos de rodamientos de agujas, donde son cr\u00edticas las altas cargas radiales, la baja fricci\u00f3n y un tama\u00f1o compacto. La geometr\u00eda de extremo plano permite un posicionamiento axial preciso dentro de las jaulas y anillos terminales, favoreciendo un funcionamiento estable en sistemas bien alineados como cajas de cambios, transmisiones, movimiento lineal y otros mecanismos de control de movimiento.<\/p>\n<h3>\ud83d\udd27 Especificaciones t\u00e9cnicas clave<\/h3>\n<ul>\n<li><strong>Geometr\u00eda de los extremos<\/strong>: NRB = extremos planos en ambos lados para ubicaci\u00f3n axial precisa y guiado sencillo de la jaula (frente a extremos esf\u00e9ricos).<\/li>\n<li><strong>Normas<\/strong>: Fabricados seg\u00fan DIN 5402-3 \/ ISO 3096 (clases dimensionales y de precisi\u00f3n).<\/li>\n<li><strong>Materiales<\/strong>: Acero al cromo para rodamientos 100Cr6 (AISI 52100); opciones inoxidables (AISI 420C\/440C) y cer\u00e1mica\/carburo t\u00e9cnica bajo pedido.<\/li>\n<li><strong>Dureza (AISI 52100)<\/strong>: ~60\u201366 HRC tras tratamiento t\u00e9rmico.<\/li>\n<li><strong>Acabado superficial<\/strong>: Di\u00e1metro exterior (OD) rectificado fino y superacabado para baja fricci\u00f3n y descentramiento constante.<\/li>\n<li><strong>Dimensiones t\u00edpicas<\/strong>: Di\u00e1metro Dw \u2248 1,0\u20136,0 mm; longitud Lw \u2248 5,8\u201359,8 mm (otros tama\u00f1os seg\u00fan plano).<\/li>\n<li><strong>Tolerancias t\u00edpicas<\/strong>: Di\u00e1metro 0\/\u221210 \u00b5m; grados de precisi\u00f3n G2, G3, G5 (seg\u00fan ISO 3096\/DIN 5402-3).<\/li>\n<\/ul>\n<h3>\u2705 Ventajas<\/h3>\n<ul>\n<li><strong>Alta capacidad radial<\/strong> con secci\u00f3n m\u00ednima para dise\u00f1os compactos.<\/li>\n<li><strong>Posicionamiento axial preciso<\/strong> y dise\u00f1o directo de los bolsillos de la jaula gracias a los extremos planos.<\/li>\n<li><strong>Baja fricci\u00f3n &amp; descentramiento uniforme<\/strong> por clasificaci\u00f3n estrecha y alta calidad superficial.<\/li>\n<li><strong>Versatilidad de materiales<\/strong> para requisitos de desgaste, corrosi\u00f3n o temperatura.<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Aplicaciones t\u00edpicas de los rodillos de agujas NRB con extremos planos<\/h3>\n<ul>\n<li><strong>Jaulas de agujas &amp; conjuntos de rodamientos<\/strong> en reductores, trenes planetarios &amp; engranajes arm\u00f3nicos.<\/li>\n<li><strong>Transmisiones automotrices<\/strong> y subconjuntos compactos del tren motriz.<\/li>\n<li><strong>Gu\u00edas lineales<\/strong>, m\u00e1quinas-herramienta, micromotores y sistemas de movimiento.<\/li>\n<\/ul>\n<h3>\ud83d\udce6 Grados &amp; tama\u00f1os disponibles<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.redhillballs.com\/company\/precision-grades\/\"><strong>Grados<\/strong>: G2\u2013G5<\/a> (seg\u00fan DIN 5402-3 \/ ISO 3096); selecciones especiales bajo pedido.<\/li>\n<li><strong>Rango de di\u00e1metros<\/strong>: ~1,0\u20136,0 mm (tipo NRB); <strong>Longitudes<\/strong>: ~5,8\u201359,8 mm.<\/li>\n<li><strong>Tipos relacionados<\/strong>: NRB (extremos planos)<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-269\" src=\"https:\/\/www.redhillballs.com\/wp-content\/uploads\/2021\/01\/needle-roller-nrb-flat-ends.jpg\" alt=\"\" width=\"400\" height=\"246\" srcset=\"https:\/\/www.redhillballs.com\/wp-content\/uploads\/2021\/01\/needle-roller-nrb-flat-ends.jpg 400w, https:\/\/www.redhillballs.com\/wp-content\/uploads\/2021\/01\/needle-roller-nrb-flat-ends-300x185.jpg 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Rodillos de agujas NRB con extremos planos \u2013 Rodillos de extremos planos para conjuntos r\u00edgidos y de alta carga Los rodillos de agujas NRB con extremos planos son elementos de punta plana utilizados en jaulas de precisi\u00f3n y conjuntos de rodamientos de agujas, donde son cr\u00edticas las altas cargas radiales, la baja fricci\u00f3n y [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6992,"parent":3690,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3694","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Rodillos de agujas NRB \u2013 carga y precisi\u00f3n<\/title>\n<meta name=\"description\" content=\"Rodillos de agujas NRB destacan por su alta capacidad de carga, precisi\u00f3n y resistencia al desgaste en aplicaciones industriales.\" \/>\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.redhillballs.com\/es\/productos\/rodillos-cilindricos-y-de-agujas\/rodillos-de-agujas-nrb\/\" \/>\n<meta property=\"og:locale\" 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