{"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-br\/glossary\/bearing-clearance\/","title":{"rendered":"O que \u00e9 Folga do Rolamento? Folga Interna e Ajuste"},"content":{"rendered":"<h1>Compreendendo a folga do rolamento<\/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-br\/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-br\/product\/balanset-1\/\" title=\"Portable balancer &#038; Vibration analyzer 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 full kit portable balancer and vibration analyzer\" 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-br\/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-br\/product\/balanset-1\/\" title=\"Portable balancer &#038; Vibration analyzer Balanset-1A\">Balanceador port\u00e1til &#038; Analisador de vibra\u00e7\u00e3o 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\">&euro;<\/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-br\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/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=\"Adicione 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 ao carrinho<\/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-br\/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-br\/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=\"Balanset-1A vibration sensor close-up\" 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-br\/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-br\/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\">&euro;<\/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-br\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/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=\"Adicione 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 ao carrinho<\/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-br\/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-br\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00d3ptico (Tac\u00f4metro a 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 \u00d3ptico (Tac\u00f4metro a 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-br\/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-br\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00d3ptico (Tac\u00f4metro a Laser)\">Sensor \u00d3ptico (Tac\u00f4metro a 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\">&euro;<\/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-br\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/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=\"Adicione 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 ao carrinho<\/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-br\/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-br\/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=\"Vibromera rotor balancing kit: carry case, multi-channel signal conditioner, handheld analyzer, magnetic base, vibration sensors, and coiled cables.\" 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-br\/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-br\/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\">&euro;<\/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-br\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/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=\"Adicione 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 ao carrinho<\/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-br\/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-br\/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=\"Magnet base.\" 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-br\/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-br\/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\">&euro;<\/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-br\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/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=\"Adicione 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 ao carrinho<\/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-br\/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-br\/product\/reflective-tape\/\" title=\"Fita refletiva\">\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 refletiva\" 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-br\/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-br\/product\/reflective-tape\/\" title=\"Fita refletiva\">Fita refletiva<\/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\">&euro;<\/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-br\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/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=\"Adicione 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 ao carrinho<\/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-br\/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-br\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico \u201cBalanset-1A\u201d 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=\"Balanset-1A kit contents with interface unit, sensors, tachometer and accessories\" 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-br\/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-br\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico \u201cBalanset-1A\u201d OEM\">Balanceador din\u00e2mico \u201cBalanset-1A\u201d 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\">&euro;<\/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-br\/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 ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" 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-br\/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=\"Adicione 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 ao carrinho<\/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 chamada de folga interna ou folga do rolamento \u2014 \u00e9 a dist\u00e2ncia total que um anel do rolamento pode se mover em rela\u00e7\u00e3o ao outro antes que os elementos rolantes entrem em contato com ambas as pistas de rolamento ao mesmo tempo. Ela existe em duas dire\u00e7\u00f5es: <strong>folga radial<\/strong> (atrav\u00e9s do eixo) e <strong>folga axial<\/strong> (ao longo dele). Em termos simples, \u00e9 a &#8220;folga&#8221; deliberada projetada em um rolamento para que ele possa absorver a expans\u00e3o t\u00e9rmica, a deflex\u00e3o por carga e a compress\u00e3o de um ajuste com interfer\u00eancia, e ainda assim operar com os elementos assentados corretamente. Acerte e o rolamento operar\u00e1 frio, silencioso e preciso; erre e o mesmo rolamento superaquecer\u00e1 ou vibrar\u00e1 at\u00e9 uma falha prematura, frequentemente transmitindo o problema como vibra\u00e7\u00e3o da m\u00e1quina <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a>.<\/p>\n<h2>1. Defini\u00e7\u00e3o: O que \u00e9 Folga do Rolamento?<\/h2>\n<p>A folga governa quase tudo o que um rolamento faz bem ou mal: distribui\u00e7\u00e3o de carga entre os elementos rolantes, atrito interno e calor, ru\u00eddo, precis\u00e3o de rota\u00e7\u00e3o, rigidez e, em \u00faltima an\u00e1lise, vida \u00fatil \u00e0 fadiga. Pouca folga sobrecarrega os elementos, aumenta as tens\u00f5es de contato e causa superaquecimento e falha prematura. Muita folga permite que o eixo flutue, produz ru\u00eddo, carregamento por impacto e posicionamento impreciso, e alimenta energia no <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> espectro. Toda a arte da sele\u00e7\u00e3o de folga \u00e9 deixar uma pequena <em>folga<\/em> gap once the bearing reaches its real operating state \u2014 not its as-shipped state.<\/p>\n<h3>Folga Interna Radial<\/h3>\n<p>Este \u00e9 o tipo mais comumente especificado e o que mais importa para m\u00e1quinas rotativas em geral.<\/p>\n<ul>\n<li><strong>Defini\u00e7\u00e3o:<\/strong> a dist\u00e2ncia que o anel interno pode se mover radialmente em rela\u00e7\u00e3o ao anel externo.<\/li>\n<li><strong>Medi\u00e7\u00e3o:<\/strong> mantenha um anel fixo e me\u00e7a o deslocamento radial m\u00e1ximo do outro.<\/li>\n<li><strong>Valores t\u00edpicos:<\/strong> aproximadamente 5\u201350 micr\u00f4metros (0,0002\u20130,002 pol) para rolamentos de pequeno a m\u00e9dio porte.<\/li>\n<li><strong>Afeta:<\/strong> rigidez radial, compartilhamento de carga entre os elementos e precis\u00e3o de rota\u00e7\u00e3o radial.<\/li>\n<\/ul>\n<h3>Folga Interna Axial<\/h3>\n<p>Importante para tipos de rolamento que tamb\u00e9m suportam carga axial.<\/p>\n<ul>\n<li><strong>Defini\u00e7\u00e3o:<\/strong> a dist\u00e2ncia que o anel interno pode se mover axialmente em rela\u00e7\u00e3o ao anel externo.<\/li>\n<li><strong>Relevante para:<\/strong> rolamentos de contato angular e de rolos c\u00f4nicos.<\/li>\n<li><strong>Ajuste:<\/strong> frequentemente ajustada durante a montagem por meio de cal\u00e7os ou apertando uma porca de trava \u2014 a mesma opera\u00e7\u00e3o usada para aplicar <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/preload\/\">pr\u00e9-carga do rolamento<\/a>.<\/li>\n<li><strong>Afeta:<\/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 conforme classes de folga padronizadas para que um projetista possa encomendar uma faixa conhecida de folga pronta para uso. Os grupos ISO, do mais apertado ao mais folgado, s\u00e3o:<\/p>\n<ul>\n<li><strong>C2:<\/strong> folga menor que a 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 maior que a Normal (mais folgada).<\/li>\n<li><strong>C4:<\/strong> maior que C3 (ainda mais folgada).<\/li>\n<li><strong>C5:<\/strong> maior que C4 (m\u00e1xima folga padr\u00e3o).<\/li>\n<\/ul>\n<p>Escolher o grupo certo \u00e9 uma decis\u00e3o de aplica\u00e7\u00e3o:<\/p>\n<ul>\n<li><strong>C2 (apertado):<\/strong> servi\u00e7o de baixo ru\u00eddo, interfer\u00eancia m\u00ednima <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/run-out\/\">excentricidade de rota\u00e7\u00e3o do eixo<\/a>, baixas temperaturas de opera\u00e7\u00e3o.<\/li>\n<li><strong>CN (Normal):<\/strong> padr\u00e3o para servi\u00e7o industrial geral.<\/li>\n<li><strong>C3 (folgado):<\/strong> ajustes com interfer\u00eancia pesados, altas temperaturas de opera\u00e7\u00e3o, cargas pesadas, rolamentos de rolos esf\u00e9ricos.<\/li>\n<li><strong>C4, C5:<\/strong> temperaturas muito altas, ajustes com interfer\u00eancia muito apertados e rolamentos grandes com expans\u00e3o t\u00e9rmica significativa.<\/li>\n<\/ul>\n<h2>3. Folga Inicial vs. Folga de Opera\u00e7\u00e3o<\/h2>\n<p>Um rolamento quase nunca opera na folga que tinha na prateleira. O n\u00famero que realmente governa o desempenho \u00e9 a <strong>folga de opera\u00e7\u00e3o<\/strong> \u2014 o que resta ap\u00f3s o rolamento ser montado, carregado e aquecido. V\u00e1rios efeitos fecham a folga, e alguns a abrem novamente.<\/p>\n<h3>Fatores que reduzem a folga<\/h3>\n<ul>\n<li><strong>Ajuste com interfer\u00eancia (eixo):<\/strong> um ajuste apertado expande o anel interno, consumindo folga \u2014 tipicamente cerca de 70\u201380% da interfer\u00eancia diametral aparece como folga perdida.<\/li>\n<li><strong>Ajuste com interfer\u00eancia (mancal):<\/strong> um ajuste apertado no mancal comprime o anel externo, removendo aproximadamente 10\u201320% da interfer\u00eancia como folga.<\/li>\n<li><strong>Temperatura de opera\u00e7\u00e3o:<\/strong> o anel interno geralmente opera mais quente que o externo; a expans\u00e3o diferencial consome a folga.<\/li>\n<li><strong>Carga:<\/strong> a carga aplicada deforma elasticamente os an\u00e9is e os elementos, reduzindo a folga efetiva.<\/li>\n<\/ul>\n<h3>Fatores que aumentam a folga<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/bearing-wear\/\">Desgaste de rolamento<\/a>:<\/strong> o material perdido nas pistas de rolamento e nos elementos abre a folga ao longo do tempo.<\/li>\n<li><strong>Deforma\u00e7\u00e3o pl\u00e1stica:<\/strong> o brinelling ou amassamento das pistas de rolamento adiciona folga.<\/li>\n<li><strong>Deslizamento da pista (race creep):<\/strong> uma interfer\u00eancia inadequada permite que um anel gire dentro do seu ajuste, desgastando um sulco e afrouxando tudo.<\/li>\n<\/ul>\n<blockquote><p>Folga de Opera\u00e7\u00e3o = Folga Inicial \u2212 Redu\u00e7\u00e3o pelo Ajuste \u2212 Redu\u00e7\u00e3o T\u00e9rmica + Desgaste<\/p><\/blockquote>\n<p>Um bom projeto resulta em um pequeno valor positivo. Uma folga de opera\u00e7\u00e3o zero ou negativa significa que o rolamento est\u00e1 pr\u00e9-carregado \u2014 \u00e0s vezes intencional, mas se acontecer por acidente, aumenta o atrito e o calor. Como a aritm\u00e9tica encadeia v\u00e1rios efeitos, \u00e9 f\u00e1cil errar; uma ferramenta estruturada como a nossa <a href=\"https:\/\/vibromera.eu\/pt-br\/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 para C2\u2013C5 e verificar a folga residual antes de escolher um rolamento.<\/p>\n<h2>4. Efeitos da Folga Incorreta<\/h2>\n<h3>Folga insuficiente (rolamento apertado)<\/h3>\n<ul>\n<li><strong>Atrito excessivo:<\/strong> cargas de contato elevadas aumentam o atrito e a gera\u00e7\u00e3o de calor.<\/li>\n<li><strong>Superaquecimento:<\/strong> as temperaturas podem subir a n\u00edveis destrutivos (acima de ~120 \u00b0C).<\/li>\n<li><strong>Fadiga prematura:<\/strong> as cargas elevadas consomem a vida \u00fatil por fadiga mais rapidamente.<\/li>\n<li><strong>Ru\u00eddo:<\/strong> rolamentos apertados podem emitir um guincho agudo.<\/li>\n<li><strong>Risco de travamento:<\/strong> em casos extremos, o rolamento pode travar completamente.<\/li>\n<\/ul>\n<h3>Folga excessiva (rolamento frouxo)<\/h3>\n<ul>\n<li><strong>Carregamento por impacto:<\/strong> os elementos rolantes batem nas pistas de rolamento a cada invers\u00e3o de carga.<\/li>\n<li><strong>Ru\u00eddo:<\/strong> barulho de batidas ou rangido aud\u00edvel.<\/li>\n<li><strong>Vibra\u00e7\u00e3o:<\/strong> os impactos e a distribui\u00e7\u00e3o desigual de carga aumentam a vibra\u00e7\u00e3o e se sobrep\u00f5em \u00e0 assinatura da <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/looseness\/\">folga mec\u00e2nica<\/a>.<\/li>\n<li><strong>Redu\u00e7\u00e3o da precis\u00e3o:<\/strong> excessiva <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/run-out\/\">excentricidade de rota\u00e7\u00e3o do eixo<\/a> e erros de posicionamento.<\/li>\n<li><strong>Desgaste acelerado:<\/strong> impactos e patina\u00e7\u00e3o dos elementos aceleram a degrada\u00e7\u00e3o superficial.<\/li>\n<li><strong>Dano na gaiola:<\/strong> folga excessiva pode quebrar a gaiola.<\/li>\n<\/ul>\n<h2>5. Como a Folga \u00e9 Medida<\/h2>\n<h3>Antes da instala\u00e7\u00e3o (n\u00e3o montado)<\/h3>\n<p><strong>Medi\u00e7\u00e3o da folga radial:<\/strong> apoie o anel externo, aplique uma pequena carga radial no anel interno e leia o deslocamento com um rel\u00f3gio comparador \u2014 tipicamente 10\u201330 \u00b5m para rolamentos m\u00e9dios \u2014 e compare com a tabela do fabricante. <strong>M\u00e9todo t\u00e1til (qualitativo):<\/strong> segure um anel e balance o outro \u00e0 m\u00e3o; um montador experiente pode julgar se a folga est\u00e1 aproximadamente correta. \u00c9 impreciso, mas r\u00e1pido para uma verifica\u00e7\u00e3o de sanidade.<\/p>\n<h3>Ap\u00f3s a instala\u00e7\u00e3o<\/h3>\n<p><strong>M\u00e9todo de deslocamento axial:<\/strong> em um rolamento montado, aplique uma for\u00e7a axial e me\u00e7a o deslocamento axial, que se relaciona com a folga radial \u2014 embora exija acesso \u00e0 extremidade do eixo. <strong>An\u00e1lise de vibra\u00e7\u00e3o:<\/strong> uma vez que a m\u00e1quina esteja em funcionamento, a folga excessiva se revela como energia de alta frequ\u00eancia elevada, assinaturas de impacto no <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/time-waveform\/\">forma de onda no tempo<\/a>, e mudan\u00e7as nas frequ\u00eancias naturais do rolamento.<\/p>\n<h2>6. Diretrizes para Sele\u00e7\u00e3o de Folga<\/h2>\n<p><strong>Considere o aumento de temperatura.<\/strong> Estime o aumento de temperatura do rolamento acima da ambiente (comumente 20\u201360 \u00b0C), calcule a expans\u00e3o diferencial entre os an\u00e9is interno e externo e escolha uma classe inicial que resulte na folga de opera\u00e7\u00e3o desejada. Uma regra pr\u00e1tica \u00fatil \u00e9 aproximadamente 1 \u00b5m de folga perdida por \u00b0C de diferen\u00e7a de temperatura entre o anel interno e externo para um rolamento de 100 mm de di\u00e2metro interno.<\/p>\n<p><strong>Compense o ajuste.<\/strong> Um ajuste apertado no eixo exige C3 ou C4 para compensar a expans\u00e3o do anel interno; um ajuste frouxo no eixo pode ser adequado para CN ou C2. Os efeitos do ajuste na caixa s\u00e3o geralmente menos significativos do que os efeitos do ajuste no eixo.<\/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 excentricidade de rota\u00e7\u00e3o m\u00ednima.<\/li>\n<li><strong>Motores el\u00e9tricos:<\/strong> C3 \u00e9 comum, devido a ajustes apertados no eixo e aumento significativo de temperatura.<\/li>\n<li><strong>Servi\u00e7o em alta temperatura:<\/strong> C4 ou C5 para absorver a expans\u00e3o t\u00e9rmica.<\/li>\n<li><strong>Cargas elevadas:<\/strong> C3 ou C4, aceitando certa redu\u00e7\u00e3o da folga sob carga.<\/li>\n<\/ul>\n<h2>7. Rela\u00e7\u00e3o com Vibra\u00e7\u00e3o e Diagn\u00f3sticos<\/h2>\n<p>A folga n\u00e3o \u00e9 apenas um detalhe de montagem \u2014 ela molda a vibra\u00e7\u00e3o que a m\u00e1quina produz, o que a torna diagnostic\u00e1vel. Folga excessiva gera uma <em>n\u00e3o linear<\/em> resposta: os elementos rolantes perdem o contato e reimpactam a cada revolu\u00e7\u00e3o, gerando m\u00faltiplas <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/harmonics\/\">harm\u00f4nicos<\/a>, ru\u00eddo de alta frequ\u00eancia de banda larga e um n\u00edvel err\u00e1tico que n\u00e3o escala limpa e diretamente com a velocidade. Um aumento constante na vibra\u00e7\u00e3o geral ao longo de meses \u00e9 um sinal cl\u00e1ssico de que o desgaste est\u00e1 abrindo a folga, enquanto mudan\u00e7as na rigidez efetiva do rolamento podem deslocar a <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/critical-speed\/\">velocidades cr\u00edticas<\/a>. A temperatura conta a outra metade da hist\u00f3ria: um rolamento quente indica um ajuste apertado, enquanto um rangido em temperatura pr\u00f3xima \u00e0 ambiente indica folga mec\u00e2nica.<\/p>\n<p>Em campo, esses sintomas s\u00e3o exatamente o que um analisador port\u00e1til de dois canais foi projetado para captar. Os engenheiros usam o <a href=\"https:\/\/vibromera.eu\/pt-br\/produto\/balanset-1\/\">Balanset-1A<\/a> para registrar o <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/spectrum\/\">espectro<\/a> e a forma de onda no tempo de um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/accelerometer\/\">aceler\u00f4metro<\/a> no mancal do rolamento, fazer o acompanhamento do n\u00edvel geral em rela\u00e7\u00e3o a um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/baseline\/\">valor de refer\u00eancia<\/a>anterior, e separar a folga mec\u00e2nica genu\u00edna causada pela folga do rolamento de <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/bearing-defects\/\">defeitos de rolamento<\/a> como descascamento superficial da pista. Como o aumento da folga eleva o piso de banda larga, enquanto um defeito discreto adiciona tons nas frequ\u00eancias de falha, os dois aparecem de forma diferente no mesmo instrumento \u2014 e voc\u00ea pode quantificar a severidade geral com o <a href=\"https:\/\/vibromera.eu\/pt-br\/calculators\/vibration-overall-level\/\">Calculadora de N\u00edvel Geral de Vibra\u00e7\u00e3o<\/a> para decidir se a tend\u00eancia justifica uma interven\u00e7\u00e3o.<\/p>\n<p>A folga do rolamento \u00e9, portanto, uma especifica\u00e7\u00e3o que deve ser selecionada, verificada e depois monitorada. Compreender como ela muda do banco de testes para a m\u00e1quina em opera\u00e7\u00e3o \u2014 e como ela colora a assinatura de vibra\u00e7\u00e3o \u2014 \u00e9 o que transforma um n\u00famero de folga em uma ferramenta para melhor sele\u00e7\u00e3o de rolamentos, pr\u00e1tica de instala\u00e7\u00e3o adequada e interpreta\u00e7\u00e3o diagn\u00f3stica confiante. Para mancais especializados, os mesmos princ\u00edpios se estendem ao <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/journal-bearing\/\">mancal de deslizamento<\/a>, onde a folga do filme de \u00f3leo desempenha um papel an\u00e1logo.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/\">\u2190 Voltar ao \u00cdndice Principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Learn about bearing clearance, the internal radial and axial play in rolling element bearings that affects load distribution, stiffness, noise, and service life.<\/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-br\/wp-json\/wp\/v2\/glossary\/47","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/47\/revisions"}],"predecessor-version":[{"id":101421,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/47\/revisions\/101421"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/media?parent=47"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/categories?post=47"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/tags?post=47"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}