{"id":3231,"date":"2021-01-21T09:46:52","date_gmt":"2021-01-21T08:46:52","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=3231"},"modified":"2025-10-13T15:16:38","modified_gmt":"2025-10-13T13:16:38","slug":"role-cilindrice-tr-cu-fete-lustruite","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/ro\/produsele\/role-cilindrice-si-cu-ace\/role-cilindrice-tr-cu-fete-lustruite\/","title":{"rendered":"Role cilindrice \u201eTR\u201d cu fe\u021be lustruite"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Cylindrical_roller_bearing?utm_source=chatgpt.com\">Role cilindrice \u201eTR\u201d cu fe\u021be lustruite \u2013 Role de precizie pentru sarcini radiale mari &amp; flan\u0219e ghidate<\/a><\/h2>\n<p>Role cilindrice \u201eTR\u201d cu fe\u021be de cap\u0103t lustruite sunt role cu capete drepte pentru rulmen\u021bi cilindrici \u0219i ansambluri personalizate care necesit\u0103 capacitate radial\u0103 ridicat\u0103, frecare redus\u0103 \u0219i stabilitate dimensional\u0103 excelent\u0103. Fe\u021bele lustruite reduc frecarea \u0219i uzura flan\u0219\u0103\/fa\u021b\u0103, permi\u021b\u00e2nd viteze mai mari, ungere stabil\u0103 \u0219i ghidaj axial constant \u00een antren\u0103ri \u0219i sisteme de mi\u0219care solicitante.<\/p>\n<h3>\ud83d\udd27 Specifica\u021bii tehnice cheie<\/h3>\n<ul>\n<li><strong>Geometria capetelor<\/strong>: TR = fe\u021be cilindrice (la ambele capete), lustruite pentru contact cu rugozitate mic\u0103.<\/li>\n<li><strong>Standarde<\/strong>: Dimensiuni \u0219i precizie conform <em>DIN 5402-1<\/em> (role cilindrice).<\/li>\n<li><strong>Materiale<\/strong>: O\u021bel de rulment 100Cr6 \/ AISI 52100 (1.3505) standard; op\u021biuni inox (AISI 420C\/440C) la cerere.<\/li>\n<li><strong>Duritate (AISI 52100)<\/strong>: ~60\u201366 HRC dup\u0103 tratament termic.<\/li>\n<li><strong>Suprafa\u021b\u0103<\/strong>: Diametrul exterior (OD) rectificat cu precizie &amp; superfinisat; fe\u021be lustruite (varianta TR) pentru minimizarea frec\u0103rii la flan\u0219e\/inel.<\/li>\n<li><strong>Dimensiuni tipice<\/strong>: Diametru \u2248 2,0\u201370,0 mm; Lungime \u2248 4,0\u2013100,0 mm (dimensiuni speciale conform desen).<\/li>\n<li><strong>Toleran\u021be<\/strong>: Sortare pe diametru\/lungime la nivel de micron; clase de precizie conform DIN 5402-1.<\/li>\n<\/ul>\n<h3>\u2705 Avantaje<\/h3>\n<ul>\n<li><strong>Capacitate radial\u0103 ridicat\u0103<\/strong> datorit\u0103 contactului liniar.<\/li>\n<li><strong>Frecare &amp; uzur\u0103 mai mici ale fe\u021belor<\/strong> fa\u021b\u0103 de fe\u021bele nelustruite; ghidaj pe flan\u0219e \u00eembun\u0103t\u0103\u021bit.<\/li>\n<li><strong>Capacitate de func\u021bionare la viteze mai mari<\/strong> \u0219i cre\u0219tere mai mic\u0103 a temperaturii \u00een condi\u021bii de ghidaj axial.<\/li>\n<li><strong>B\u0103taie constant\u0103<\/strong> datorit\u0103 finisajului OD de precizie \u0219i sort\u0103rii str\u00e2nse.<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Aplica\u021bii pentru Role cilindrice \u201eTR\u201d cu fe\u021be lustruite<\/h3>\n<ul>\n<li><strong>Rulmen\u021bi cilindrici<\/strong> (seriile NU, NJ, NUP) cu flan\u0219e ghidate \u00een cutii de viteze \u0219i antren\u0103ri industriale.<\/li>\n<li><strong>Motoare electrice, pompe, compresoare<\/strong> care func\u021bioneaz\u0103 la viteze ridicate.<\/li>\n<li><strong>Ma\u0219ini-unelte &amp; pozi\u021bion\u0103ri de precizie<\/strong> ce necesit\u0103 frecare redus\u0103 \u00een contactele inel\/cap\u0103t rol\u0103.<\/li>\n<\/ul>\n<h3>\ud83d\udce6 Clase &amp; dimensiuni disponibile<\/h3>\n<ul>\n<li><strong>Clase de precizie<\/strong>: <a href=\"https:\/\/www.redhillballs.com\/company\/precision-grades\/\">Conform DIN 5402-1<\/a>; seturi \u00eemperecheate \u0219i selec\u021bii speciale disponibile.<\/li>\n<li><strong>Domeniu diametre<\/strong>: ~2,0\u201370,0 mm; <strong>Lungimi<\/strong>: ~4,0\u2013100,0 mm.<\/li>\n<li><strong>Tipuri conexe<\/strong>: <strong>TR<\/strong> (fe\u021be cilindrice, lustruite)<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-313\" src=\"https:\/\/www.redhillballs.com\/wp-content\/uploads\/2021\/01\/cylindrical-roller-tr-polished-fronts.jpg\" alt=\"\" width=\"400\" height=\"248\" srcset=\"https:\/\/www.redhillballs.com\/wp-content\/uploads\/2021\/01\/cylindrical-roller-tr-polished-fronts.jpg 400w, https:\/\/www.redhillballs.com\/wp-content\/uploads\/2021\/01\/cylindrical-roller-tr-polished-fronts-300x186.jpg 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Role cilindrice \u201eTR\u201d cu fe\u021be lustruite \u2013 Role de precizie pentru sarcini radiale mari &amp; flan\u0219e ghidate Role cilindrice \u201eTR\u201d cu fe\u021be de cap\u0103t lustruite sunt role cu capete drepte pentru rulmen\u021bi cilindrici \u0219i ansambluri personalizate care necesit\u0103 capacitate radial\u0103 ridicat\u0103, frecare redus\u0103 \u0219i stabilitate dimensional\u0103 excelent\u0103. Fe\u021bele lustruite reduc frecarea \u0219i uzura flan\u0219\u0103\/fa\u021b\u0103, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8993,"parent":3223,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3231","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>Role cilindrice \u201eTR\u201d cu fe\u021be lustruite precizie \u0219i frecare redus\u0103<\/title>\n<meta name=\"description\" content=\"Role cilindrice asigur\u0103 ghidare axial\u0103 stabil\u0103, frecare minim\u0103 \u0219i durabilitate ridicat\u0103 \u00een rulmen\u021bi \u0219i sisteme de mi\u0219care de precizie\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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