{"id":47,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/bearing-clearance\/"},"modified":"2026-05-23T22:55:19","modified_gmt":"2026-05-23T22:55:19","slug":"bearing-clearance","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt\/glossary\/bearing-clearance\/","title":{"rendered":"O que \u00e9 folga do rolamento? Folga interna e ajuste."},"content":{"rendered":"<h1>Entendendo a folga dos rolamentos<\/h1>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-1\/\" title=\"Equilibrador port\u00e1til e analisador de vibra\u00e7\u00f5es Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A kit completo de balanceador port\u00e1til e analisador de vibra\u00e7\u00f5es\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-1\/\" title=\"Equilibrador port\u00e1til e analisador de vibra\u00e7\u00f5es Balanset-1A\">Equilibrador port\u00e1til e analisador de vibra\u00e7\u00f5es Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/47?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/47?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"Adiciona ao carrinho: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/vibration-sensor\/\" title=\"Sensor de vibra\u00e7\u00e3o\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Grande plano do sensor de vibra\u00e7\u00e3o Balanset-1A\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/vibration-sensor\/\" title=\"Sensor de vibra\u00e7\u00e3o\">Sensor de vibra\u00e7\u00e3o<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/47?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/47?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"Adiciona ao carrinho: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00f3tico (tac\u00f3metro laser)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sensor \u00f3tico (tac\u00f3metro laser)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00f3tico (tac\u00f3metro laser)\">Sensor \u00f3tico (tac\u00f3metro laser)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/47?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/47?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"Adiciona ao carrinho: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Kit de balanceamento de rotor Vibromera: estojo de transporte, condicionador de sinal multicanal, analisador port\u00e1til, base magn\u00e9tica, sensores de vibra\u00e7\u00e3o e cabos espiralados.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/47?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/47?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"Adiciona ao carrinho: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/magnet-stand\/\" title=\"Suporte magn\u00e9tico Insize-60-kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Base magn\u00e9tica.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/magnet-stand\/\" title=\"Suporte magn\u00e9tico Insize-60-kgf\">Suporte magn\u00e9tico Insize-60-kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>46.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/47?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/47?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"Adiciona ao carrinho: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/reflective-tape\/\" title=\"Fita refletora\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Fita refletora\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/reflective-tape\/\" title=\"Fita refletora\">Fita refletora<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/47?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/47?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"Adiciona ao carrinho: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/dynamic-balancer-balanset-1a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico &quot;Balanset-1A&quot; OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Conte\u00fado do kit Balanset-1A com unidade de interface, sensores, tac\u00f3metro e acess\u00f3rios\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico &quot;Balanset-1A&quot; OEM\">Balanceador din\u00e2mico \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt\/wp-json\/wp\/v2\/glossary\/47?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt\/wp-json\/wp\/v2\/glossary\/47?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"Adiciona ao carrinho: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p><strong>folga do rolamento<\/strong> \u2014 tamb\u00e9m designado folga interna ou jogo do rolamento \u2014 \u00e9 a dist\u00e2ncia total que um anel do rolamento pode percorrer relativamente ao outro antes de os elementos rolantes contactarem simultaneamente ambas as pistas. Existe em duas dire\u00e7\u00f5es: <strong>folga radial<\/strong> (transversalmente ao veio) e <strong>folga axial<\/strong> (ao longo do mesmo). Em termos simples, \u00e9 a &#8220;folga&#8221; deliberada incorporada num rolamento para que este possa absorver a dilata\u00e7\u00e3o t\u00e9rmica, a deflex\u00e3o sob carga e o aperto de um ajuste com interfer\u00eancia, continuando a funcionar com os elementos corretamente assentados. Se for bem definida, o rolamento funciona de forma fria, silenciosa e precisa; se for mal definida, o mesmo rolamento sobreaquece ou deteriora-se precocemente, transmitindo frequentemente o problema sob a forma de vibra\u00e7\u00e3o da m\u00e1quina <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a>.<\/p>\n<h2>1. Defini\u00e7\u00e3o: O que \u00e9 a Folga do Rolamento?<\/h2>\n<p>A folga condiciona quase tudo o que um rolamento faz bem ou mal: distribui\u00e7\u00e3o da carga entre os elementos rolantes, atrito interno e calor, ru\u00eddo, precis\u00e3o de funcionamento, rigidez e, em \u00faltima an\u00e1lise, vida \u00fatil por fadiga. Folga insuficiente aperta os elementos, aumenta as tens\u00f5es de contacto e provoca sobreaquecimento e falha prematura. Folga excessiva permite que o veio flutue, gerando ru\u00eddo, cargas de impacto e posicionamento impreciso, e introduzindo energia no <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> espectro. Toda a arte da sele\u00e7\u00e3o da folga consiste em deixar uma pequena <em>positive<\/em> folga quando o rolamento atinge o seu estado real de funcionamento \u2014 e n\u00e3o o estado em que foi fornecido.<\/p>\n<h3>Folga Interna Radial<\/h3>\n<p>Este \u00e9 o tipo mais comummente especificado e o que mais importa para a maquinaria rotativa em geral.<\/p>\n<ul>\n<li><strong>Defini\u00e7\u00e3o:<\/strong> a dist\u00e2ncia que o anel interior pode percorrer radialmente relativamente ao anel exterior.<\/li>\n<li><strong>Medi\u00e7\u00e3o:<\/strong> fixar um anel e medir o deslocamento radial m\u00e1ximo do outro.<\/li>\n<li><strong>Valores t\u00edpicos:<\/strong> aproximadamente 5\u201350 micr\u00f3metros (0,0002\u20130,002 pol.) para rolamentos de pequeno a m\u00e9dio porte.<\/li>\n<li><strong>Efeitos:<\/strong> rigidez radial, distribui\u00e7\u00e3o de carga entre os elementos e precis\u00e3o de rota\u00e7\u00e3o radial.<\/li>\n<\/ul>\n<h3>Folga Axial Interna<\/h3>\n<p>Importante para tipos de rolamentos que tamb\u00e9m suportam cargas axiais.<\/p>\n<ul>\n<li><strong>Defini\u00e7\u00e3o:<\/strong> a dist\u00e2ncia que o anel interior pode deslocar axialmente em rela\u00e7\u00e3o ao anel exterior.<\/li>\n<li><strong>Relevante para:<\/strong> rolamentos de contacto angular e rolamentos de rolos c\u00f3nicos.<\/li>\n<li><strong>Ajuste:<\/strong> frequentemente definido durante a montagem mediante cal\u00e7os ou aperto de uma porca de fixa\u00e7\u00e3o \u2014 a mesma opera\u00e7\u00e3o utilizada para aplicar <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/preload\/\">pr\u00e9-carga do rolamento<\/a>.<\/li>\n<li><strong>Efeitos:<\/strong> rigidez axial, pr\u00e9-carga e capacidade de carga axial.<\/li>\n<\/ul>\n<h2>2. Classifica\u00e7\u00f5es de Folga (Grupos ISO)<\/h2>\n<p>Os rolamentos s\u00e3o fabricados segundo classes de folga normalizadas, para que o projectista possa encomendar uma banda de folga conhecida dispon\u00edvel em stock. Os grupos ISO, do mais apertado para o mais folgado, s\u00e3o:<\/p>\n<ul>\n<li><strong>C2:<\/strong> folga inferior ao Normal (mais apertada).<\/li>\n<li><strong>CN (Normal):<\/strong> folga padr\u00e3o para a maioria das aplica\u00e7\u00f5es.<\/li>\n<li><strong>C3:<\/strong> folga superior ao Normal (mais larga).<\/li>\n<li><strong>C4:<\/strong> superior a C3 (ainda mais larga).<\/li>\n<li><strong>C5:<\/strong> superior a C4 (folga m\u00e1xima normalizada).<\/li>\n<\/ul>\n<p>A escolha do grupo certo \u00e9 uma decis\u00e3o de aplica\u00e7\u00e3o:<\/p>\n<ul>\n<li><strong>C2 (tight):<\/strong> servi\u00e7o de baixo ru\u00eddo, m\u00ednima <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/run-out\/\">desvio do eixo<\/a>, temperaturas de funcionamento reduzidas.<\/li>\n<li><strong>CN (Normal):<\/strong> padr\u00e3o para servi\u00e7o industrial geral.<\/li>\n<li><strong>C3 (loose):<\/strong> ajustes com interfer\u00eancia elevada, temperaturas de funcionamento altas, cargas pesadas, rolamentos de rolos esf\u00e9ricos.<\/li>\n<li><strong>C4, C5:<\/strong> temperaturas muito elevadas, ajustamentos de interfer\u00eancia muito apertados e rolamentos de grandes dimens\u00f5es com expans\u00e3o t\u00e9rmica significativa.<\/li>\n<\/ul>\n<h2>3. Folga Inicial vs. Folga de Funcionamento<\/h2>\n<p>Um rolamento quase nunca funciona com a folga que tinha em stock. O valor que governa efectivamente o desempenho \u00e9 a <strong>folga de funcionamento<\/strong> \u2014 o que resta depois de o rolamento estar montado, carregado e quente. V\u00e1rios efeitos reduzem a folga e alguns voltam a aument\u00e1-la.<\/p>\n<h3>Fatores que reduzem a folga<\/h3>\n<ul>\n<li><strong>Ajuste com interfer\u00eancia (veio):<\/strong> um ajustamento apertado expande o anel interior, consumindo folga \u2014 tipicamente cerca de 70\u201380% da interfer\u00eancia diametral traduz-se em perda de folga.<\/li>\n<li><strong>Ajuste com interfer\u00eancia (caixa):<\/strong> um ajustamento apertado no alojamento comprime o anel exterior, eliminando aproximadamente 10\u201320% da interfer\u00eancia como folga.<\/li>\n<li><strong>Temperatura de opera\u00e7\u00e3o:<\/strong> o anel interior funciona normalmente a uma temperatura mais elevada do que o exterior; a expans\u00e3o diferencial reduz a folga.<\/li>\n<li><strong>Carga:<\/strong> a carga aplicada deforma elasticamente os an\u00e9is e os elementos, reduzindo a folga efectiva.<\/li>\n<\/ul>\n<h3>Fatores que aumentam a folga<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bearing-wear\/\">Desgaste do rolamento<\/a>:<\/strong> o material perdido nas pistas e nos elementos aumenta a folga ao longo do tempo.<\/li>\n<li><strong>Deforma\u00e7\u00e3o pl\u00e1stica:<\/strong> a brinelagema ou entalhe das pistas adiciona folga.<\/li>\n<li><strong>Race creep:<\/strong> uma interfer\u00eancia inadequada permite que um anel rode dentro do seu ajuste, desgastando uma ranhura e afrouxando tudo.<\/li>\n<\/ul>\n<blockquote><p>Folga de Funcionamento = Folga Inicial &minus; Redu\u00e7\u00e3o por Ajuste &minus; Redu\u00e7\u00e3o T\u00e9rmica + Desgaste<\/p><\/blockquote>\n<p>Um bom dimensionamento resulta num valor positivo pequeno. Folga de funcionamento nula ou negativa significa que o rolamento est\u00e1 pr\u00e9-carregado \u2014 por vezes intencional, mas se ocorrer por acidente aumenta o atrito e o calor. Uma vez que o c\u00e1lculo encadeia v\u00e1rios efeitos, \u00e9 f\u00e1cil cometer erros; uma ferramenta estruturada como a nossa <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/bearing-internal-clearance\/\">Calculadora de Folga Interna de Rolamentos (ISO 5753)<\/a> permite percorrer as toler\u00e2ncias de ajuste, t\u00e9rmicas e de classe C2\u2013C5 e verificar a folga residual antes de se comprometer com um rolamento.<\/p>\n<h2>4. Efeitos de Folga Incorreta<\/h2>\n<h3>Folga insuficiente (rolamento apertado)<\/h3>\n<ul>\n<li><strong>Atrito excessivo:<\/strong> cargas de contacto elevadas aumentam o atrito e a gera\u00e7\u00e3o de calor.<\/li>\n<li><strong>Sobreaquecimento:<\/strong> as temperaturas podem atingir n\u00edveis destrutivos (acima de ~120 \u00b0C).<\/li>\n<li><strong>Fadiga prematura:<\/strong> as cargas elevadas esgotam a vida \u00e0 fadiga mais rapidamente.<\/li>\n<li><strong>Ru\u00eddo:<\/strong> rolamentos demasiado apertados podem emitir um guincho agudo.<\/li>\n<li><strong>Seizure risk:<\/strong> em casos extremos, o rolamento pode bloquear completamente.<\/li>\n<\/ul>\n<h3>Folga excessiva (rolamento com demasiada folga)<\/h3>\n<ul>\n<li><strong>Carga de impacto:<\/strong> os elementos rolantes embater\u00e3o nas pistas a cada invers\u00e3o de carga.<\/li>\n<li><strong>Ru\u00eddo:<\/strong> ru\u00eddo aud\u00edvel de chocalhar ou batimento.<\/li>\n<li><strong>Vibra\u00e7\u00e3o:<\/strong> os impactos e a reparti\u00e7\u00e3o desigual de carga aumentam a vibra\u00e7\u00e3o e sobrep\u00f5em-se \u00e0 assinatura de folga mec\u00e2nica <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/looseness\/\">folga<\/a>.<\/li>\n<li><strong>Redu\u00e7\u00e3o da precis\u00e3o:<\/strong> excessivo <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/run-out\/\">desvio do eixo<\/a> e erros de posicionamento.<\/li>\n<li><strong>Desgaste acelerado:<\/strong> os impactos e o deslizamento dos elementos aceleram a degrada\u00e7\u00e3o superficial.<\/li>\n<li><strong>Dano na gaiola:<\/strong> folga excessiva pode danificar a gaiola.<\/li>\n<\/ul>\n<h2>5. Como se Mede a Folga<\/h2>\n<h3>Antes da instala\u00e7\u00e3o (desmontado)<\/h3>\n<p><strong>Medi\u00e7\u00e3o da folga radial:<\/strong> apoie o anel exterior, aplique uma pequena carga radial no anel interior e leia o deslocamento com um rel\u00f3gio comparador \u2014 tipicamente 10\u201330 \u00b5m para rolamentos de dimens\u00e3o m\u00e9dia \u2014 e compare com a tabela do fabricante. <strong>M\u00e9todo t\u00e1ctil (qualitativo):<\/strong> segure um anel e mova o outro manualmente; um montador experiente consegue avaliar se a folga \u00e9 aproximadamente correcta. \u00c9 impreciso, mas r\u00e1pido como verifica\u00e7\u00e3o de sanidade.<\/p>\n<h3>Ap\u00f3s a instala\u00e7\u00e3o<\/h3>\n<p><strong>M\u00e9todo de deslocamento axial:<\/strong> num rolamento montado, aplique uma for\u00e7a axial e me\u00e7a o deslocamento axial, que est\u00e1 relacionado com a folga radial \u2014 embora seja necess\u00e1rio acesso \u00e0 extremidade do veio. <strong>An\u00e1lise de vibra\u00e7\u00e3o:<\/strong> assim que a m\u00e1quina estiver em funcionamento, a folga excessiva manifesta-se como um aumento de energia em alta frequ\u00eancia, assinaturas de impacto no <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/time-waveform\/\">forma de onda temporal<\/a>, e altera\u00e7\u00f5es nas frequ\u00eancias naturais do rolamento.<\/p>\n<h2>6. Diretrizes de Sele\u00e7\u00e3o de Folgas<\/h2>\n<p><strong>Compensar o aumento de temperatura.<\/strong> Estime a eleva\u00e7\u00e3o de temperatura do rolamento acima do ambiente (normalmente 20\u201360 \u00b0C), calcule a expans\u00e3o diferencial entre os an\u00e9is interior e exterior, e escolha uma classe inicial que resulte na folga de funcionamento desejada. Uma regra pr\u00e1tica \u00fatil \u00e9 aproximadamente 1 \u00b5m de folga perdida por \u00b0C de diferen\u00e7a de temperatura entre anel interior e exterior, para um rolamento com furo de 100 mm.<\/p>\n<p><strong>Compensar o ajuste de montagem.<\/strong> Um ajuste de veio apertado requer C3 ou C4 para compensar a expans\u00e3o do anel interior; um ajuste de veio folgado pode ser adequado com CN ou C2. Os efeitos do ajuste no alojamento s\u00e3o geralmente menos significativos do que os efeitos do ajuste no veio.<\/p>\n<p><strong>Adequar \u00e0 aplica\u00e7\u00e3o.<\/strong><\/p>\n<ul>\n<li><strong>Aplica\u00e7\u00f5es de precis\u00e3o:<\/strong> C2 ou CN para batimento m\u00ednimo.<\/li>\n<li><strong>Motores el\u00e9ctricos:<\/strong> C3 \u00e9 comum, gra\u00e7as aos ajustes de veio apertados e \u00e0 eleva\u00e7\u00e3o de temperatura significativa.<\/li>\n<li><strong>Servi\u00e7o em alta temperatura:<\/strong> C4 ou C5 para absorver a expans\u00e3o t\u00e9rmica.<\/li>\n<li><strong>Heavy loads:<\/strong> C3 ou C4, aceitando alguma redu\u00e7\u00e3o de folga sob carga.<\/li>\n<\/ul>\n<h2>7. Rela\u00e7\u00e3o com a Vibra\u00e7\u00e3o e o Diagn\u00f3stico<\/h2>\n<p>A folga n\u00e3o \u00e9 apenas um detalhe de montagem \u2014 determina a vibra\u00e7\u00e3o produzida pela m\u00e1quina, tornando-a diagnostic\u00e1vel. A folga excessiva origina uma <em>n\u00e3o linear<\/em> resposta: os elementos rolantes perdem o contacto e reimpactam a cada revolu\u00e7\u00e3o, gerando m\u00faltiplos <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/harmonics\/\">harm\u00f3nicos<\/a>, ru\u00eddo de banda larga em alta frequ\u00eancia, e um n\u00edvel err\u00e1tico que n\u00e3o escala de forma limpa com a velocidade. Um aumento gradual da vibra\u00e7\u00e3o global ao longo de meses \u00e9 um sinal cl\u00e1ssico de que o desgaste est\u00e1 a aumentar a folga, enquanto altera\u00e7\u00f5es na rigidez efectiva do rolamento podem deslocar a <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/critical-speed\/\">velocidades cr\u00edticas<\/a>. A temperatura conta a outra metade da hist\u00f3ria: um rolamento quente aponta para um ajuste apertado, enquanto vibra\u00e7\u00e3o a temperatura pr\u00f3xima do ambiente aponta para folga excessiva.<\/p>\n<p>No campo, estes sintomas s\u00e3o exactamente aquilo para que um analisador port\u00e1til de dois canais foi concebido. Os engenheiros utilizam o <a href=\"https:\/\/vibromera.eu\/pt\/produto\/balanset-1\/\">Balanset-1A<\/a> para registar o funcionamento <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/spectrum\/\">espetro<\/a> e a forma de onda temporal de um <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/accelerometer\/\">aceler\u00f3metro<\/a> no alojamento do rolamento, registam a evolu\u00e7\u00e3o do n\u00edvel global em rela\u00e7\u00e3o a uma medi\u00e7\u00e3o anterior <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/baseline\/\">linha de base<\/a>, e separam a folga genu\u00edna devida \u00e0 folga excessiva de <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/bearing-defects\/\">defeitos de rolamento<\/a> como a descama\u00e7\u00e3o da pista de rolamento. Uma vez que o crescimento da folga eleva o patamar de banda larga enquanto um defeito discreto adiciona componentes nas frequ\u00eancias de avaria, os dois apresentam leituras diferentes no mesmo instrumento \u2014 e \u00e9 poss\u00edvel quantificar a gravidade global com o <a href=\"https:\/\/vibromera.eu\/pt\/calculators\/vibration-overall-level\/\">Calculadora do N\u00edvel Geral de Vibra\u00e7\u00e3o<\/a> para decidir se a tend\u00eancia justifica interven\u00e7\u00e3o.<\/p>\n<p>A folga do rolamento \u00e9, portanto, uma especifica\u00e7\u00e3o que deve ser seleccionada, verificada e monitorizada. Compreender como se altera desde o banco de montagem at\u00e9 \u00e0 m\u00e1quina em funcionamento \u2014 e como influencia a assinatura de vibra\u00e7\u00e3o \u2014 \u00e9 o que transforma um valor de folga numa ferramenta para uma melhor selec\u00e7\u00e3o de rolamentos, uma pr\u00e1tica de instala\u00e7\u00e3o adequada e uma interpreta\u00e7\u00e3o diagn\u00f3stica segura. Para alojamentos especializados, os mesmos princ\u00edpios se aplicam ao <a href=\"https:\/\/vibromera.eu\/pt\/glossary\/journal-bearing\/\">chumaceira de deslizamento<\/a>, onde a folga da pel\u00edcula de \u00f3leo desempenha um papel an\u00e1logo.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/pt\/glossary\/\">\u2190 Voltar ao \u00edndice principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Aprenda sobre folga em rolamentos, a folga radial e axial interna em rolamentos de elementos rolantes que afeta a distribui\u00e7\u00e3o de carga, a rigidez, o ru\u00eddo e a vida \u00fatil.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-47","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/47","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/47\/revisions"}],"predecessor-version":[{"id":101421,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/glossary\/47\/revisions\/101421"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/media?parent=47"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/categories?post=47"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt\/wp-json\/wp\/v2\/tags?post=47"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}