{"id":6642,"date":"2026-10-12T14:50:49","date_gmt":"2026-10-12T06:50:49","guid":{"rendered":"https:\/\/www.slewbearingtec.com\/?p=6642"},"modified":"2026-10-12T15:14:21","modified_gmt":"2026-10-12T07:14:21","slug":"couronne-dorientation-pour-excavateur","status":"publish","type":"post","link":"https:\/\/www.slewbearingtec.com\/fr\/excavator-slew-ring.html","title":{"rendered":"couronne d'orientation pour excavateur"},"content":{"rendered":"<p><!-- pageflow-task:9fd7174b-cad2-485e-ac19-66628b60dc59 --><br \/>\n<!doctype html><br \/>\n<html lang=\"en-US\"><head><meta charset=\"utf-8\"><meta name=\"viewport\" content=\"width=device-width,initial-scale=1\"><title>Excavator Slew Ring | Replacement Fit &amp; Custom Bearings | SWBTEC<\/title><meta name=\"description\" content=\"Source an excavator slew ring from SWBTEC. 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.coreshangye-keyword-module .coreshangye-product-media img.coreshangye-product-cover{object-fit:cover}.coreshangye-body img.perfmatters-lazy.pmloaded{opacity:1!important}<\/style>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"ItemList\",\n    \"numberOfItems\": 1,\n    \"itemListElement\": [\n        {\n            \"@type\": \"ListItem\",\n            \"position\": 1,\n            \"name\": \"Excavator Slewing Bearing\",\n            \"url\": \"https:\\\/\\\/www.slewbearingtec.com\\\/excavator-slewing-bearings.html\"\n        }\n    ]\n}<\/script><\/head><body><main class=\"coreshangye-body\"><\/p>\n<header class=\"coreshangye-hero\" id=\"coreshangye-top\">\n<div class=\"coreshangye-hero-media\" aria-hidden=\"true\"><\/div>\n<div class=\"coreshangye-shell coreshangye-hero-inner\">\n<div class=\"coreshangye-hero-content\">\n<nav class=\"coreshangye-breadcrumbs\" aria-label=\"Breadcrumb\"><a href=\"https:\/\/www.slewbearingtec.com\/fr\/\">Accueil<\/a><span aria-hidden=\"true\">\/<\/span><a href=\"https:\/\/www.slewbearingtec.com\/fr\/categorie\/tous-les-produits\/\">Tous les produits<\/a><span aria-hidden=\"true\">\/<\/span><span>couronne d'orientation pour excavateur<\/span><\/nav>\n<h1><span class=\"ez-toc-section\" id=\"excavator_slew_ring\"><\/span>couronne d'orientation pour excavateur<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<div class=\"coreshangye-hero-description\">\n<p>SWBTEC supplies excavator slewing bearings for aftermarket replacement and drawing-based orders. Match the bearing to your machine by checking the ring dimensions, mounting holes and gear interface before ordering.<\/p>\n<p>Send the excavator model, old bearing markings or a drawing. Ningguo Swbtec Industry Co., Ltd. can review the fit details and quote the required configuration.<\/p>\n<\/div>\n<div class=\"coreshangye-actions\"><a class=\"coreshangye-button coreshangye-button-primary\" href=\"mailto:sales@ngswbtec.com?subject=Excavator%20Slew%20Ring%20Quote\">Email your fit details<\/a><a class=\"coreshangye-button coreshangye-button-ghost\" href=\"https:\/\/www.slewbearingtec.com\/fr\/nous-contacter\/\">Contact SWBTEC<\/a><\/div>\n<\/p><\/div>\n<figure class=\"coreshangye-hero-gallery\" data-coreshangye-carousel aria-labelledby=\"coreshangye-hero-gallery-title\">\n<div class=\"coreshangye-carousel-viewport\">\n<div class=\"coreshangye-carousel-track\">\n<div class=\"coreshangye-carousel-slide\"><img decoding=\"async\" src=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/05\/Excavator-Slewing-Bearings-p1-3.png\" alt=\"Black internally geared excavator slewing bearing with mounting holes around the outer ring\" width=\"650\" height=\"404\" fetchpriority=\"high\" loading=\"eager\"><\/div>\n<\/div>\n<\/div><figcaption>\n<h2 class=\"coreshangye-hero-gallery-title\" id=\"coreshangye-hero-gallery-title\"><span class=\"ez-toc-section\" id=\"Excavator_Slewing_Bearing\"><\/span>Couronne d'orientation de pelleteuse<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/figcaption><\/figure>\n<\/p><\/div>\n<\/header>\n<div class=\"coreshangye-shell coreshangye-solution-layout\">\n<aside class=\"coreshangye-sidebar\" aria-label=\"Page contents\">\n<h2><span class=\"ez-toc-section\" id=\"On_This_Page\"><\/span>On This Page<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<nav aria-label=\"On this page\"><a href=\"#how-it-fits\">Where the excavator slew ring fits<\/a><a href=\"#replacement-inputs\">Identify the right replacement before ordering<\/a><a href=\"#excavator-bearing-product\">Couronne d'orientation de pelleteuse<\/a><a href=\"#fit-critical-dimensions\">Dimensions that control the fit<\/a><a href=\"#manufacturing-and-checks\">How SWBTEC manufactures and checks the ring<\/a><a href=\"#installation-and-lubrication\">Installation and lubrication conditions<\/a><a href=\"#request-a-quote\">Send your fit details to SWBTEC<\/a><\/nav>\n<\/aside>\n<div class=\"coreshangye-content\">\n<section class=\"coreshangye-keyword-module palette-0\" id=\"how-it-fits\" aria-labelledby=\"how-it-fits-title\">\n<div class=\"wrap\">\n<h2 id=\"how-it-fits-title\"><span class=\"ez-toc-section\" id=\"Where_the_excavator_slew_ring_fits\"><\/span>Where the excavator slew ring fits<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The slew ring joins the excavator upper structure to its undercarriage and lets the house rotate. Its inner and outer rings carry the working loads through rolling elements. On geared designs, the ring teeth mesh with the swing-drive pinion.<\/p>\n<p>A replacement must match both sides of that connection. The bearing envelope, mounting pattern and, where present, gear location and tooth geometry determine whether the ring bolts in and meshes correctly with the existing drive.<\/p>\n<\/div>\n<\/section>\n<section class=\"coreshangye-keyword-module palette-1\" id=\"replacement-inputs\" aria-labelledby=\"replacement-inputs-title\">\n<div class=\"wrap\">\n<h2 id=\"replacement-inputs-title\"><span class=\"ez-toc-section\" id=\"Identify_the_right_replacement_before_ordering\"><\/span>Identify the right replacement before ordering<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Start with the excavator make, model and serial number, then check any part number stamped on the old ring. Model names alone may cover more than one bearing version, so measurements or an original drawing make the match more precise.<\/p>\n<ol>\n<li>Record the old ring\u2019s outside and inside diameters and overall height.<\/li>\n<li>Measure the inner and outer bolt-hole count, hole size and pitch-circle diameters.<\/li>\n<li>Confirm whether the ring uses internal, external or no gear; for a geared ring, provide tooth count, module and the mating pinion details.<\/li>\n<li>Share photos of both faces, the part marking and any unusual wear, plus the operating duty if the replacement design needs review.<\/li>\n<\/ol>\n<p>SWBTEC\u2019s published excavator table lists examples across Hitachi, Komatsu, Caterpillar, Hyundai and Volvo machines. Use the table to start an inquiry, then confirm the final drawing against the machine and removed bearing.<\/p>\n<p><a class=\"button\" href=\"mailto:sales@ngswbtec.com?subject=Excavator%20Slew%20Ring%20Quote\">Email your machine details<\/a><\/div>\n<\/section>\n<section class=\"coreshangye-keyword-module palette-2\" id=\"excavator-bearing-product\" aria-labelledby=\"excavator-bearing-product-title\">\n<div class=\"wrap\">\n<h2 id=\"excavator-bearing-product-title\"><span class=\"ez-toc-section\" id=\"Excavator_Slewing_Bearing-2\"><\/span>Couronne d'orientation de pelleteuse<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The featured SWBTEC excavator bearing is available through the product page below. Its model table supports aftermarket inquiries; final dimensions and gear details are confirmed for the specific machine or customer drawing.<\/p>\n<div class=\"coreshangye-product-grid coreshangye-products-single\">\n<article class=\"coreshangye-solution-card\"><a class=\"coreshangye-product-media\" href=\"https:\/\/www.slewbearingtec.com\/fr\/roulements-dorientation-pour-excavateurs-html-2\/\" aria-label=\"View Excavator Slewing Bearing\"><img src=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/05\/Excavator-Slewing-Bearings-p1-3.png\" alt=\"Internally geared SWBTEC excavator slewing bearing viewed from above\" width=\"650\" height=\"404\" loading=\"lazy\" decoding=\"async\"><\/a><\/p>\n<p class=\"coreshangye-product-caption\">Featured excavator slewing bearing; the photo shows internal teeth and outer mounting holes.<\/p>\n<div class=\"coreshangye-product-body\">\n<h3><span class=\"ez-toc-section\" id=\"Excavator_Slewing_Bearing-3\"><\/span><a href=\"https:\/\/www.slewbearingtec.com\/fr\/roulements-dorientation-pour-excavateurs-html-2\/\">Couronne d'orientation de pelleteuse<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A 50Mn slewing bearing for excavator replacement and drawing-based supply. The published model table covers multiple excavator makes; verify the exact ring and gear interface before production.<\/p>\n<ul class=\"coreshangye-metric-list\">\n<li><span>Produit<\/span><strong>Excavator slewing bearing \/ swing bearing<\/strong><\/li>\n<li><span>Mat\u00e9riau de l'anneau<\/span><strong>Tempered 50Mn, per the featured product description<\/strong><\/li>\n<li><span>Fit basis<\/span><strong>Machine model plus original ring measurements or drawing<\/strong><\/li>\n<li><span>Configuration<\/span><strong>Mounting and gear geometry confirmed for the order<\/strong><\/li>\n<\/ul>\n<div class=\"coreshangye-card-actions\"><a class=\"coreshangye-button coreshangye-button-primary\" href=\"mailto:sales@ngswbtec.com?subject=Excavator%20Slew%20Ring%20Quote\" data-product=\"Excavator Slewing Bearing\">Email for a quote<\/a><a class=\"coreshangye-button coreshangye-button-light\" href=\"https:\/\/www.slewbearingtec.com\/fr\/roulements-dorientation-pour-excavateurs-html-2\/\">Product details<\/a><\/div>\n<\/div>\n<\/article>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"coreshangye-keyword-module palette-3\" id=\"fit-critical-dimensions\" aria-labelledby=\"fit-critical-dimensions-title\">\n<div class=\"wrap\">\n<h2 id=\"fit-critical-dimensions-title\"><span class=\"ez-toc-section\" id=\"Dimensions_that_control_the_fit\"><\/span>Dimensions that control the fit<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A useful bearing drawing connects each dimension to a mating part on the excavator. Check these interfaces together rather than choosing a ring from overall diameter alone.<\/p>\n<div class=\"scroll\" tabindex=\"0\" role=\"region\" aria-label=\"Scrollable table\">\n<table>\n<thead>\n<tr>\n<th scope=\"col\">Check<\/th>\n<th scope=\"col\">Why it matters<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">Outside and inside diameters; height<\/th>\n<td>Define the space available between the upper frame and undercarriage.<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Bolt-hole count, size and pitch circles<\/th>\n<td>Determine whether the ring aligns with both mounting structures.<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Gear position, tooth count and module<\/th>\n<td>Determine mesh with the existing swing-drive pinion.<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Clearance and runout requirements<\/th>\n<td>Affect rotation and the assembled machine\u2019s behavior under load.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>SWBTEC\u2019s product records include dimensions, mounting-hole data and gear data where applicable. An order drawing should state the agreed values and inspection requirements for the exact bearing.<\/p>\n<\/div>\n<\/section>\n<section class=\"coreshangye-keyword-module palette-0\" id=\"manufacturing-and-checks\" aria-labelledby=\"manufacturing-and-checks-title\">\n<div class=\"wrap\">\n<h2 id=\"manufacturing-and-checks-title\"><span class=\"ez-toc-section\" id=\"How_SWBTEC_manufactures_and_checks_the_ring\"><\/span>How SWBTEC manufactures and checks the ring<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>SWBTEC\u2019s documented process starts with incoming forging inspection, rough machining and ultrasonic testing. The raceway is machined, induction hardened and tempered; gear cutting, hole machining, finishing and assembly follow according to the bearing design.<\/p>\n<p>Inspection covers the dimensions that affect fit and rotation. The company\u2019s records describe checks of raceway hardness and hardening depth, mounting holes, axial and radial clearance, ring runout and smooth rotation. Gear measurements apply when the selected ring has teeth.<\/p>\n<p>Ask for the drawing and inspection requirements with the quotation so that the specified dimensions and acceptance checks correspond to your machine.<\/p>\n<\/div>\n<\/section>\n<section class=\"coreshangye-keyword-module palette-1\" id=\"installation-and-lubrication\" aria-labelledby=\"installation-and-lubrication-title\">\n<div class=\"wrap\">\n<h2 id=\"installation-and-lubrication-title\"><span class=\"ez-toc-section\" id=\"Installation_and_lubrication_conditions\"><\/span>Installation and lubrication conditions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Prepare clean, flat mounting surfaces and place the marked soft zone in the light-load area specified by the installation drawing. Use correctly rated bolts and tighten them evenly to the required preload. Uneven support or bolt loading can shorten bearing life even when the replacement dimensions match.<\/p>\n<p>SWBTEC\u2019s product guidance calls for adding grease before installation because only a small amount of EP2-based grease is present at delivery. Under general operating conditions, it recommends replenishment every 50\u201360 working hours while rotating the bearing to distribute grease. Keep water and debris out of the raceway, and inspect the seals during service.<\/p>\n<p>If rotation develops abnormal noise, impact or a sudden rise in drive force, stop the machine and check lubrication, gear backlash, mounting flatness and bolt preload before continued operation.<\/p>\n<\/div>\n<\/section>\n<section class=\"coreshangye-keyword-module palette-2\" id=\"request-a-quote\" aria-labelledby=\"request-a-quote-title\">\n<div class=\"wrap\">\n<h2 id=\"request-a-quote-title\"><span class=\"ez-toc-section\" id=\"Send_your_fit_details_to_SWBTEC\"><\/span>Send your fit details to SWBTEC<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Email the excavator make and model, existing part number or drawing, ring dimensions, mounting-hole pattern and gear details to <a href=\"mailto:sales@ngswbtec.com?subject=Excavator%20Slew%20Ring%20Quote\">sales@ngswbtec.com<\/a>. Photos of the removed bearing help identify the required configuration.<\/p>\n<p>You can also call <a href=\"tel:+865634113031\">+86 563 411 3031<\/a> or use the <a href=\"https:\/\/www.slewbearingtec.com\/fr\/nous-contacter\/\">SWBTEC contact page<\/a>.<\/p>\n<\/div>\n<\/section>\n<\/div>\n<\/div>\n<p><\/main><script id=\"pageflow-legacy-interactions\">(function(){\nvar root=document.querySelector('.coreshangye-body');if(!root)return;\n    root.querySelectorAll('[data-coreshangye-carousel]').forEach(function(carousel){\n      var track=carousel.querySelector('.coreshangye-carousel-track');\n      var slides=carousel.querySelectorAll('.coreshangye-carousel-slide');\n      var dots=carousel.querySelectorAll('[data-coreshangye-carousel-dot]');\n      var previous=carousel.querySelector('[data-coreshangye-carousel-prev]');\n      var next=carousel.querySelector('[data-coreshangye-carousel-next]');\n      if(!track)return;\n      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Match the bearing to your machine by checking the ring dimensions, mounting holes and gear interface before ordering. Send the excavator model, old bearing markings or [&hellip;]<\/p>","protected":false},"author":24,"featured_media":3539,"comment_status":"closed","ping_status":"open","sticky":false,"template":"page-coreshangye.php","format":"standard","meta":{"_acf_changed":false,"themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":false,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":false,"footnotes":""},"categories":[40],"tags":[],"class_list":["post-6642","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-article"],"metadata":{"_wp_page_template":["page-coreshangye.php"],"_thumbnail_id":["3539"],"views":["18"],"_edit_last":["4"],"themepark_seo_title":["Excavator Slew Ring | Replacement Fit & Custom Bearings | SWBTEC"],"themepark_seo_description":["Source An Excavator Slew Ring From SWBTEC. 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