{"id":1040,"date":"2025-04-09T14:59:28","date_gmt":"2025-04-09T06:59:28","guid":{"rendered":"https:\/\/hengoseal.com\/?p=1040"},"modified":"2025-06-13T14:43:51","modified_gmt":"2025-06-13T06:43:51","slug":"tg4-oil-seal-guide","status":"publish","type":"post","link":"https:\/\/hengoseal.com\/ja\/tg4-oil-seal-guide\/","title":{"rendered":"TG4 Oil Seal: What Is It, and When Should You Use It?"},"content":{"rendered":"<p>Ever faced issues with oil leakage or dust infiltration in rugged environments? A TG4 oil seal might be the solution you're looking for. This double-lip shaft seal is specifically engineered for applications requiring superior grease retention and dirt resistance.<\/p>\n<h2>What is a TG4 oil seal used for?<\/h2>\n<p>A TG4 oil seal is used to protect mechanical systems by sealing lubricants inside and keeping contaminants out. Unlike basic shaft seals, it features a dual-lip design with a rubber-coated metal shell, making it perfect for:<\/p>\n<ul>\n<li>Off-road machinery<\/li>\n<li>Gearboxes and reducers<\/li>\n<li>Electric motors in dusty environments<\/li>\n<li>Agricultural and construction equipment<\/li>\n<\/ul>\n<p>The inner lip retains oil or grease, while the outer dust lip blocks external debris. Its rubberized shell improves vibration damping, allowing better sealing even in slightly imperfect bores.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/hengoseal.com\/wp-content\/uploads\/2025\/04\/TG4.png\" alt=\"placeholder\\_image\" \/><\/p>\n<h2>How does TG4 differ from TC oil seals?<\/h2>\n<p>Though both are double-lip rotary seals, TG4 and TC differ in design and application suitability:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7279\u5fb4<\/th>\n<th>TG4 \u30aa\u30a4\u30eb\u30b7\u30fc\u30eb<\/th>\n<th>TC\u30aa\u30a4\u30eb\u30b7\u30fc\u30eb<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Outer Shell<\/td>\n<td>\u30e9\u30d0\u30fc\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u3055\u308c\u305f\u30b9\u30c1\u30fc\u30eb\u30b1\u30fc\u30b9<\/td>\n<td>All-metal shell<\/td>\n<\/tr>\n<tr>\n<td>Sealing Fit<\/td>\n<td>More forgiving on rough surfaces<\/td>\n<td>Requires smooth bore<\/td>\n<\/tr>\n<tr>\n<td>Vibration Control<\/td>\n<td>High due to rubber casing<\/td>\n<td>\u9069\u5ea6<\/td>\n<\/tr>\n<tr>\n<td>\u6700\u9069\u306a\u7528\u9014<\/td>\n<td>Dusty, rugged, vibrating environments<\/td>\n<td>Clean, high-speed applications<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>For more on TC seals, check our <a href=\"https:\/\/hengoseal.com\/ja\/tc-oil-seal-structure-uses\/\" target=\"_blank\">TC Oil Seal Guide<\/a>.<\/p>\n<h2>What are the best applications for TG4 shaft seals?<\/h2>\n<p>TG4 oil seals thrive in environments where oil retention and contamination exclusion are critical. Common applications include:<\/p>\n<ul>\n<li>Industrial fans and blowers<\/li>\n<li>Construction vehicle drive shafts<\/li>\n<li>Small engines operating in dusty zones<\/li>\n<\/ul>\n<p>Their double-lip structure provides enhanced durability over single-lip designs, which are prone to quicker wear in aggressive settings. For a broader view, refer to our <a href=\"https:\/\/hengoseal.com\/ja\/skeleton-oil-seal-guide\/\" target=\"_blank\">Skeleton Oil Seal Selection Guide<\/a>.<\/p>\n<h2>What materials are TG4 oil seals made from?<\/h2>\n<p>Material selection impacts chemical resistance and temperature stability. Hengoseal manufactures TG4 seals in:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6750\u6599<\/th>\n<th>\u6e29\u5ea6\u7bc4\u56f2<\/th>\n<th>\u6700\u3082\u3088\u304f\u4f7f\u308f\u308c\u308b\u7528\u9014<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30ce\u30f3\u30d6\u30eb<\/td>\n<td>-40\u00b0C \uff5e +120\u00b0C<\/td>\n<td>General-purpose industrial use<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30c3\u5316\u6c34\u7d20<\/td>\n<td>-30\u00b0C \uff5e +200\u00b0C<\/td>\n<td>High-temp or chemically harsh systems<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>For a deep dive, explore <a href=\"https:\/\/hengoseal.com\/ja\/fkm-vs-nbr-oil-seal\/\" target=\"_blank\">FKM vs NBR Oil Seal Comparison<\/a>.<\/p>\n<h2>How do you install a TG4 oil seal properly?<\/h2>\n<p>Incorrect installation is a leading cause of premature seal failure. Here\u2019s how to install TG4 seals correctly:<\/p>\n<ul>\n<li>Lubricate the sealing lip before fitting<\/li>\n<li>Align the seal with the shaft, using a press or seal driver<\/li>\n<li>Ensure the dust lip faces outward<\/li>\n<li>Avoid damaging the rubber coating during installation<\/li>\n<\/ul>\n<p>A complete guide is available in our <a href=\"https:\/\/hengoseal.com\/ja\/oil-seal-installation-guide\/\" target=\"_blank\">\u30aa\u30a4\u30eb\u30b7\u30fc\u30eb\u53d6\u308a\u4ed8\u3051\u30ac\u30a4\u30c9<\/a>.<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>TG4 oil seals are engineered for reliability in extreme environments. Their double-lip structure and rubber-coated metal frame offer superior dust resistance and vibration tolerance\u2014making them a go-to choice for industrial, automotive, and agricultural machinery.<\/p>\n<h2>Get Expert Help or Order Now<\/h2>\n<p>Looking for TG4 oil seals in standard or OEM specs? Hengoseal offers NBR and FKM materials, custom sizes, and low MOQs for global orders.<\/p>\n<p><strong>\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9:<\/strong> <a href=\"mailto:info@hengoseal.com\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a><br \/>\n<strong>\u30ef\u30c3\u30c4\u30a2\u30c3\u30d7:<\/strong> +86 17622979498 <a href=\"https:\/\/hengoseal.com\/ja\/product\/tg4-oil-seal-double-lip\/\" target=\"_blank\">Explore TG4 Oil Seal Products<\/a><\/p>\n<h2>Related topic<\/h2>\n<ul>\n<li><a href=\"https:\/\/hengoseal.com\/ja\/fkm-vs-nbr-oil-seal\/\" target=\"_blank\">How to Choose Between FKM and NBR for Oil Seals<\/a><\/li>\n<li><a href=\"https:\/\/hengoseal.com\/ja\/tc-oil-seal-structure-uses\/\" target=\"_blank\">TC\u30aa\u30a4\u30eb\u30b7\u30fc\u30eb\uff1a\u69cb\u9020\u3001\u4ed5\u69d8\u3001\u7528\u9014<\/a><\/li>\n<li><a href=\"https:\/\/hengoseal.com\/ja\/skeleton-oil-seal-guide\/\" target=\"_blank\">\u30b9\u30b1\u30eb\u30c8\u30f3\u30aa\u30a4\u30eb\u30b7\u30fc\u30eb\u30ac\u30a4\u30c9<\/a><\/li>\n<\/ul>\n<style>\n.faq-question {\ncursor: pointer;\nfont-weight: bold;\npadding: 10px;\nbackground-color: #f1f1f1;\nborder: 1px solid #ddd;\nmargin-bottom: 5px;\ncolor: #0073aa;\n}\n.faq-answer {\ndisplay: none;\npadding: 10px;\nborder-left: 3px solid #0073aa;\nbackground-color: #f9f9f9;\nmargin-bottom: 10px;\n}\n<\/style>\n<p><script>\ndocument.addEventListener('DOMContentLoaded', function() {\nconst questions = document.querySelectorAll('.faq-question');\nquestions.forEach(question => {\nquestion.addEventListener('click', function() {\nconst answer = this.nextElementSibling;\nanswer.style.display = answer.style.display === 'block' ? 'none' : 'block';\n});\n});\n});\n<\/script><br \/>\n<!-- JSON-LD FAQ Schema --><br \/>\n<script type=\"application\/ld+json\">\n{\n\"@context\": \"https:\/\/schema.org\",\n\"@type\": \"FAQPage\",\n\"mainEntity\": [\n{\n\"@type\": \"Question\",\n\"name\": \"Are TG4 oil seals interchangeable with TC seals?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Not exactly. While both are double-lip seals, TG4's rubber-coated shell allows more flexibility in harsh, vibrating conditions.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Do TG4 oil seals require outer sealant?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Generally not. The rubber exterior provides adequate bore sealing. Only use sealant if bore is damaged.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Can I order TG4 seals in both NBR and FKM?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Yes. Hengoseal supports mixed material orders with low minimum quantities.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"What is the maximum shaft speed for TG4 seals?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Typically 10&ndash;15 m\/s, depending on seal size and lubrication quality.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Are TG4 oil seals good for water pump use?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Not ideal. Consider high-speed or water-specific seals for those applications.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"What is the MOQ for private-labeled TG4 seals?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Just 100 pieces. Custom branding and packaging supported.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Can TG4 seals replace NOK or National brands?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Yes. Hengoseal matches standard sizing and offers cross-reference support.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Can I install TG4 seals without special tools?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"We recommend using a seal driver or press to avoid misalignment and lip damage.\"\n}\n}\n]\n}\n<\/script><\/p>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<div class=\"faq-container\">\n<div class=\"faq-question\">1. Are TG4 oil seals interchangeable with TC seals?<\/div>\n<div class=\"faq-answer\">Not exactly. While both are double-lip seals, TG4's rubber-coated shell allows more flexibility in harsh, vibrating conditions.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">2. Do TG4 oil seals require outer sealant?<\/div>\n<div class=\"faq-answer\">Generally not. The rubber exterior provides adequate bore sealing. Only use sealant if bore is damaged.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">3. Can I order TG4 seals in both NBR and FKM?<\/div>\n<div class=\"faq-answer\">Yes. Hengoseal supports mixed material orders with low minimum quantities.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">4. What is the maximum shaft speed for TG4 seals?<\/div>\n<div class=\"faq-answer\">Typically 10\u201315 m\/s, depending on seal size and lubrication quality.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">5. Are TG4 oil seals good for water pump use?<\/div>\n<div class=\"faq-answer\">Not ideal. Consider high-speed or water-specific seals for those applications.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">6. What is the MOQ for private-labeled TG4 seals?<\/div>\n<div class=\"faq-answer\">Just 100 pieces. Custom branding and packaging supported.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">7. Can TG4 seals replace NOK or National brands?<\/div>\n<div class=\"faq-answer\">Yes. Hengoseal matches standard sizing and offers cross-reference support.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">8. Can I install TG4 seals without special tools?<\/div>\n<div class=\"faq-answer\">We recommend using a seal driver or press to avoid misalignment and lip damage.<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Ever faced issues with oil leakage or dust infiltration in rugged environments? A TG4 oil seal might be the solution [&hellip;]<\/p>","protected":false},"author":1,"featured_media":1042,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[32],"tags":[],"class_list":["post-1040","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oil-seal"],"_links":{"self":[{"href":"https:\/\/hengoseal.com\/ja\/wp-json\/wp\/v2\/posts\/1040","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hengoseal.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hengoseal.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hengoseal.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hengoseal.com\/ja\/wp-json\/wp\/v2\/comments?post=1040"}],"version-history":[{"count":0,"href":"https:\/\/hengoseal.com\/ja\/wp-json\/wp\/v2\/posts\/1040\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hengoseal.com\/ja\/wp-json\/wp\/v2\/media\/1042"}],"wp:attachment":[{"href":"https:\/\/hengoseal.com\/ja\/wp-json\/wp\/v2\/media?parent=1040"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hengoseal.com\/ja\/wp-json\/wp\/v2\/categories?post=1040"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hengoseal.com\/ja\/wp-json\/wp\/v2\/tags?post=1040"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}