{"id":2043,"date":"2021-01-20T15:30:47","date_gmt":"2021-01-20T14:30:47","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=2043"},"modified":"2025-09-29T23:04:39","modified_gmt":"2025-09-29T21:04:39","slug":"rouleaux-et-aiguilles","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/fr\/produits\/rouleaux-et-aiguilles\/","title":{"rendered":"Rouleaux et Aiguilles"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Rolling-element_bearing\">Galets cylindriques de pr\u00e9cision \u2013 Grande capacit\u00e9 de charge &amp; stabilit\u00e9 dimensionnelle<\/a><\/h2>\n<p>Les Rouleaux et Aiguilles de REDHILL sont des \u00e9l\u00e9ments roulants pr\u00e9cis et r\u00e9sistants, id\u00e9aux pour les roulements, les machines industrielles et les applications m\u00e9caniques.<br \/>\nIls sont con\u00e7us pour supporter de fortes charges radiales avec un faible frottement et un faux-rond r\u00e9duit. Fabriqu\u00e9s en aciers pour roulements (ex. AISI 52100), avec un bombage optimis\u00e9 et des \u00e9tats de surface soign\u00e9s, ils garantissent une longue dur\u00e9e de vie dans les roulements et les syst\u00e8mes de mouvement compacts et rigides.<\/p>\n<h2>\ud83d\udee0\ufe0f Galets \u00e0 aiguilles de pr\u00e9cision \u2013 Ultra-compacts, forte charge, faible frottement<\/h2>\n<p>Les galets \u00e0 aiguilles REDHILL offrent une capacit\u00e9 maximale dans un encombrement minimal. Leur faible rapport diam\u00e8tre\/longueur et leur bombage contr\u00f4l\u00e9 assurent faible frottement, grande rigidit\u00e9 et excellente tenue \u00e0 la fatigue\u2014id\u00e9als pour des roulements compacts, cages et m\u00e9canismes de pr\u00e9cision dans l\u2019automobile, l\u2019industrie et l\u2019a\u00e9ronautique.<\/p>\n<h3>\ud83d\udd27 Caract\u00e9ristiques techniques cl\u00e9s pour galets cylindriques et \u00e0 aiguilles<\/h3>\n<ul>\n<li><strong>Mat\u00e9riaux<\/strong> : AISI 52100 (tremp\u00e9 \u00e0 c\u0153ur)<\/li>\n<li><strong>Structure<\/strong> : Martensite revenue ; g\u00e9om\u00e9trie bomb\u00e9e ou extr\u00e9mit\u00e9s planes selon l\u2019application<\/li>\n<li><strong>Duret\u00e9<\/strong> : HRC 58\u201366 (selon grade\/traitement)<\/li>\n<li><strong>\u00c9tat de surface<\/strong> : Ra \u2264 0.05\u20130.15 \u03bcm (qualit\u00e9 roulement)<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Applications des galets \u00e0 aiguilles<\/h3>\n<h4>1. Roulements \u00e0 aiguilles &amp; cages<\/h4>\n<p>Grande capacit\u00e9 dans des sections minces pour transmissions, pompes et moto-r\u00e9ducteurs.<\/p>\n<h4>2. Trains plan\u00e9taires &amp; appuis de pivot<\/h4>\n<p>Appuis \u00e0 faible frottement pour \u00e9tages compacts \u00e0 couple \u00e9lev\u00e9 et liaisons oscillantes.<\/p>\n<h4>3. M\u00e9canismes et actionneurs de pr\u00e9cision<\/h4>\n<p>\u00c9l\u00e9ments roulants compacts avec excellente pr\u00e9cision de rotation.<\/p>\n<h3>\ud83d\udd04 Applications des Rouleaux et Aiguilles<\/h3>\n<h4>1. Roulements \u00e0 rouleaux cylindriques<\/h4>\n<p>Forte capacit\u00e9 radiale avec faible frottement et excellente rigidit\u00e9 pour r\u00e9ducteurs, moteurs et machines lourdes.<\/p>\n<h4>2. Suiveurs de cames &amp; galets de guidage<\/h4>\n<p>\u00c9l\u00e9ments tol\u00e9rants aux chocs et charges de bord pour cames, convoyeurs et lignes d\u2019automatisation.<\/p>\n<h4>3. Mouvement lin\u00e9aire<\/h4>\n<p>Guidages et rails exigeant une haute rigidit\u00e9 et un faux-rond ma\u00eetris\u00e9.<\/p>\n<h3>\u2705 Pourquoi choisir REDHILL pour galets cylindriques et \u00e0 aiguilles ?<\/h3>\n<ul>\n<li>Dispersion de <a href=\"https:\/\/www.redhillballs.com\/company\/ball-diameters\/\">diam\u00e8tre<\/a> et tol\u00e9rance de longueur ultra-serr\u00e9es<\/li>\n<li>Bombage optimis\u00e9 pour r\u00e9duire les contraintes de bord<\/li>\n<li>Aciers propres et traitement thermique ma\u00eetris\u00e9 pour une longue dur\u00e9e de vie<\/li>\n<li>Cages, rev\u00eatements et conditionnements sur mesure<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Galets cylindriques de pr\u00e9cision \u2013 Grande capacit\u00e9 de charge &amp; stabilit\u00e9 dimensionnelle Les Rouleaux et Aiguilles de REDHILL sont des \u00e9l\u00e9ments roulants pr\u00e9cis et r\u00e9sistants, id\u00e9aux pour les roulements, les machines industrielles et les applications m\u00e9caniques. Ils sont con\u00e7us pour supporter de fortes charges radiales avec un faible frottement et un faux-rond r\u00e9duit. Fabriqu\u00e9s [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6959,"parent":1989,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2043","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>Rouleaux et Aiguilles \u2013 Pr\u00e9cision et performance pour roulements<\/title>\n<meta name=\"description\" content=\"Rouleaux et Aiguilles : \u00e9l\u00e9ments roulants pr\u00e9cis et r\u00e9sistants, id\u00e9aux pour roulements, machines industrielles et applications m\u00e9caniques.\" \/>\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\/fr\/produits\/rouleaux-et-aiguilles\/\" \/>\n<meta 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