{"id":1444,"date":"2026-02-03T14:21:14","date_gmt":"2026-02-03T14:21:14","guid":{"rendered":"https:\/\/www.wonzh.com\/?post_type=product&#038;p=1444"},"modified":"2026-02-04T14:53:48","modified_gmt":"2026-02-04T14:53:48","slug":"industrial-oil-seals-radial-shaft-seals-for-rotating-equipment","status":"publish","type":"product","link":"https:\/\/www.wonzh.com\/vi\/product\/industrial-oil-seals-radial-shaft-seals-for-rotating-equipment\/","title":{"rendered":"Ph\u1edbt d\u1ea7u c\u00f4ng nghi\u1ec7p (Ph\u1edbt tr\u1ee5c h\u01b0\u1edbng t\u00e2m) cho thi\u1ebft b\u1ecb quay"},"content":{"rendered":"<p data-start=\"571\" data-end=\"950\">Oil Seals supplied by Wonzh are precision-engineered radial shaft seals designed to retain lubricants, prevent fluid leakage, and block the ingress of dust, dirt, and contaminants in rotating machinery. Commonly installed on shafts in gearboxes, motors, pumps, and industrial equipment, these seals play a critical role in extending bearing life and improving system reliability.<\/p>\n<p data-start=\"952\" data-end=\"1329\">Manufactured from high-quality elastomers such as NBR, FKM (Viton), ACM, and silicone, and reinforced with metal casings and spring elements, Wonzh oil seals provide excellent wear resistance, thermal stability, and sealing performance under dynamic conditions. Advanced molding and strict dimensional control ensure consistent lip contact, low friction, and long service life.<\/p>\n<p data-start=\"1331\" data-end=\"1675\">As an experienced industrial sealing supplier, Wonzh offers standard metric and inch oil seals as well as customized designs for special shaft sizes, operating conditions, and media compatibility. Our engineering team supports material selection, seal profile optimization, and application guidance based on real-world performance requirements.<\/p>\n<h2 data-start=\"1682\" data-end=\"1701\"><strong data-start=\"1685\" data-end=\"1701\">T\u00ednh n\u0103ng ch\u00ednh<\/strong><\/h2>\n<ul data-start=\"1703\" data-end=\"1972\">\n<li data-start=\"1703\" data-end=\"1759\">\n<p data-start=\"1705\" data-end=\"1759\">Effective lubricant retention and leakage prevention<\/p>\n<\/li>\n<li data-start=\"1760\" data-end=\"1807\">\n<p data-start=\"1762\" data-end=\"1807\">Excellent dust and contamination protection<\/p>\n<\/li>\n<li data-start=\"1808\" data-end=\"1848\">\n<p data-start=\"1810\" data-end=\"1848\">Ma s\u00e1t th\u1ea5p v\u00e0 gi\u1ea3m t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng<\/p>\n<\/li>\n<li data-start=\"1849\" data-end=\"1888\">\n<p data-start=\"1851\" data-end=\"1888\">High wear resistance and durability<\/p>\n<\/li>\n<li data-start=\"1889\" data-end=\"1932\">\n<p data-start=\"1891\" data-end=\"1932\">Suitable for high-speed rotating shafts<\/p>\n<\/li>\n<li data-start=\"1933\" data-end=\"1972\">\n<p data-start=\"1935\" data-end=\"1972\">Standard and custom sizes available<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"1979\" data-end=\"2006\"><strong data-start=\"1982\" data-end=\"2006\">\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/strong><\/h2>\n<ul data-start=\"2008\" data-end=\"2233\">\n<li data-start=\"2008\" data-end=\"2034\">\n<p data-start=\"2010\" data-end=\"2034\">H\u1ed9p s\u1ed1 v\u00e0 b\u1ed9 gi\u1ea3m t\u1ed1c<\/p>\n<\/li>\n<li data-start=\"2035\" data-end=\"2054\">\n<p data-start=\"2037\" data-end=\"2054\">M\u00f4-t\u01a1 \u0111i\u1ec7n<\/p>\n<\/li>\n<li data-start=\"2055\" data-end=\"2080\">\n<p data-start=\"2057\" data-end=\"2080\">B\u01a1m v\u00e0 m\u00e1y n\u00e9n<\/p>\n<\/li>\n<li data-start=\"2081\" data-end=\"2115\">\n<p data-start=\"2083\" data-end=\"2115\">Automotive and heavy machinery<\/p>\n<\/li>\n<li data-start=\"2116\" data-end=\"2151\">\n<p data-start=\"2118\" data-end=\"2151\">Industrial transmission systems<\/p>\n<\/li>\n<li data-start=\"2152\" data-end=\"2195\">\n<p data-start=\"2154\" data-end=\"2195\">Agricultural and construction equipment<\/p>\n<\/li>\n<li data-start=\"2196\" data-end=\"2233\">\n<p data-start=\"2198\" data-end=\"2233\">Wind turbines and power equipment<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"2240\" data-end=\"2292\"><strong data-start=\"2243\" data-end=\"2290\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt (Ph\u1ea1m vi \u0111\u1ea1i di\u1ec7n)<\/strong><\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2294\" data-end=\"2852\">\n<thead data-start=\"2294\" data-end=\"2331\">\n<tr data-start=\"2294\" data-end=\"2331\">\n<th data-start=\"2294\" data-end=\"2306\" data-col-size=\"sm\">Tham s\u1ed1<\/th>\n<th data-start=\"2306\" data-end=\"2331\" data-col-size=\"sm\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \/ Ph\u1ea1m vi<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2342\" data-end=\"2852\">\n<tr data-start=\"2342\" data-end=\"2379\">\n<td data-start=\"2342\" data-end=\"2354\" data-col-size=\"sm\">Lo\u1ea1i ni\u00eam phong<\/td>\n<td data-start=\"2354\" data-end=\"2379\" data-col-size=\"sm\">Radial Shaft Oil Seal<\/td>\n<\/tr>\n<tr data-start=\"2380\" data-end=\"2434\">\n<td data-start=\"2380\" data-end=\"2395\" data-col-size=\"sm\">Seal Profile<\/td>\n<td data-start=\"2395\" data-end=\"2434\" data-col-size=\"sm\">Single lip, double lip, or dust lip<\/td>\n<\/tr>\n<tr data-start=\"2435\" data-end=\"2488\">\n<td data-start=\"2435\" data-end=\"2452\" data-col-size=\"sm\">Shaft Diameter<\/td>\n<td data-start=\"2452\" data-end=\"2488\" data-col-size=\"sm\">5 mm \u2013 500 mm (custom available)<\/td>\n<\/tr>\n<tr data-start=\"2489\" data-end=\"2533\">\n<td data-start=\"2489\" data-end=\"2508\" data-col-size=\"sm\">Housing Diameter<\/td>\n<td data-start=\"2508\" data-end=\"2533\" data-col-size=\"sm\">Application dependent<\/td>\n<\/tr>\n<tr data-start=\"2534\" data-end=\"2594\">\n<td data-start=\"2534\" data-end=\"2554\" data-col-size=\"sm\">Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9<\/td>\n<td data-start=\"2554\" data-end=\"2594\" data-col-size=\"sm\">-40\u00b0C to +200\u00b0C (material dependent)<\/td>\n<\/tr>\n<tr data-start=\"2595\" data-end=\"2651\">\n<td data-start=\"2595\" data-end=\"2609\" data-col-size=\"sm\">Shaft Speed<\/td>\n<td data-start=\"2609\" data-end=\"2651\" data-col-size=\"sm\">Up to 15 m\/s (configuration dependent)<\/td>\n<\/tr>\n<tr data-start=\"2652\" data-end=\"2702\">\n<td data-start=\"2652\" data-end=\"2674\" data-col-size=\"sm\">Kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p l\u1ef1c<\/td>\n<td data-start=\"2674\" data-end=\"2702\" data-col-size=\"sm\">Generally up to 0.05 MPa<\/td>\n<\/tr>\n<tr data-start=\"2703\" data-end=\"2752\">\n<td data-start=\"2703\" data-end=\"2725\" data-col-size=\"sm\">C\u00e1c t\u00e0i li\u1ec7u c\u00f3 s\u1eb5n<\/td>\n<td data-start=\"2725\" data-end=\"2752\" data-col-size=\"sm\">NBR, FKM, ACM, Silicone<\/td>\n<\/tr>\n<tr data-start=\"2753\" data-end=\"2800\">\n<td data-start=\"2753\" data-end=\"2767\" data-col-size=\"sm\">Spring Type<\/td>\n<td data-start=\"2767\" data-end=\"2800\" data-col-size=\"sm\">Stainless steel garter spring<\/td>\n<\/tr>\n<tr data-start=\"2801\" data-end=\"2852\">\n<td data-start=\"2801\" data-end=\"2823\" data-col-size=\"sm\">C\u00e1c ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/td>\n<td data-start=\"2823\" data-end=\"2852\" data-col-size=\"sm\">DIN 3760, ISO equivalents<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2 data-start=\"2859\" data-end=\"2890\"><strong data-start=\"2862\" data-end=\"2890\">H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u<\/strong><\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2892\" data-end=\"3302\">\n<thead data-start=\"2892\" data-end=\"2931\">\n<tr data-start=\"2892\" data-end=\"2931\">\n<th data-start=\"2892\" data-end=\"2903\" data-col-size=\"sm\">V\u1eadt li\u1ec7u<\/th>\n<th data-start=\"2903\" data-end=\"2917\" data-col-size=\"sm\">S\u1eed d\u1ee5ng th\u00f4ng th\u01b0\u1eddng<\/th>\n<th data-start=\"2917\" data-end=\"2931\" data-col-size=\"sm\">\u01afu \u0111i\u1ec3m<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2946\" data-end=\"3302\">\n<tr data-start=\"2946\" data-end=\"3037\">\n<td data-start=\"2946\" data-end=\"2965\" data-col-size=\"sm\"><strong data-start=\"2948\" data-end=\"2964\">NBR (Buna-N)<\/strong><\/td>\n<td data-start=\"2965\" data-end=\"2998\" data-col-size=\"sm\">General machinery, oil systems<\/td>\n<td data-start=\"2998\" data-end=\"3037\" data-col-size=\"sm\">Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed, kh\u1ea3 n\u0103ng ch\u1ed1ng d\u1ea7u t\u1ed1t<\/td>\n<\/tr>\n<tr data-start=\"3038\" data-end=\"3141\">\n<td data-start=\"3038\" data-end=\"3056\" data-col-size=\"sm\"><strong data-start=\"3040\" data-end=\"3055\">FKM (Viton)<\/strong><\/td>\n<td data-start=\"3056\" data-end=\"3099\" data-col-size=\"sm\">M\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 h\u00f3a ch\u1ea5t<\/td>\n<td data-start=\"3099\" data-end=\"3141\" data-col-size=\"sm\">Excellent heat and chemical resistance<\/td>\n<\/tr>\n<tr data-start=\"3142\" data-end=\"3211\">\n<td data-start=\"3142\" data-end=\"3152\" data-col-size=\"sm\"><strong data-start=\"3144\" data-end=\"3151\">ACM<\/strong><\/td>\n<td data-start=\"3152\" data-end=\"3179\" data-col-size=\"sm\">Automotive transmissions<\/td>\n<td data-start=\"3179\" data-end=\"3211\" data-col-size=\"sm\">Good heat and oil resistance<\/td>\n<\/tr>\n<tr data-start=\"3212\" data-end=\"3302\">\n<td data-start=\"3212\" data-end=\"3227\" data-col-size=\"sm\"><strong data-start=\"3214\" data-end=\"3226\">Silicone<\/strong><\/td>\n<td data-start=\"3227\" data-end=\"3258\" data-col-size=\"sm\">Low-temperature applications<\/td>\n<td data-start=\"3258\" data-end=\"3302\" data-col-size=\"sm\">Superior flexibility at low temperatures<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2 data-start=\"3309\" data-end=\"3332\"><strong data-start=\"3312\" data-end=\"3332\">T\u1ea1i sao n\u00ean ch\u1ecdn Wonzh?<\/strong><\/h2>\n<ul data-start=\"3334\" data-end=\"3607\">\n<li data-start=\"3334\" data-end=\"3388\">\n<p data-start=\"3336\" data-end=\"3388\">Strict quality inspection for dimensional accuracy<\/p>\n<\/li>\n<li data-start=\"3389\" data-end=\"3441\">\n<p data-start=\"3391\" data-end=\"3441\">Danh m\u1ee5c v\u1eadt li\u1ec7u \u0111a d\u1ea1ng cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau<\/p>\n<\/li>\n<li data-start=\"3442\" data-end=\"3496\">\n<p data-start=\"3444\" data-end=\"3496\">Stable performance in harsh operating environments<\/p>\n<\/li>\n<li data-start=\"3497\" data-end=\"3556\">\n<p data-start=\"3499\" data-end=\"3556\">Engineering support for seal selection and installation<\/p>\n<\/li>\n<li data-start=\"3557\" data-end=\"3607\">\n<p data-start=\"3559\" data-end=\"3607\">Reliable supply and global delivery capability<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"3614\" data-end=\"3655\"><strong data-start=\"3617\" data-end=\"3653\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/strong><\/h2>\n<h3 data-start=\"3657\" data-end=\"3700\"><strong data-start=\"3661\" data-end=\"3698\">Q1: What is an oil seal used for?<\/strong><\/h3>\n<p data-start=\"3701\" data-end=\"3822\">An oil seal prevents lubricant leakage from rotating shafts while keeping dust, dirt, and contaminants out of the system.<\/p>\n<h3 data-start=\"3824\" data-end=\"3901\"><strong data-start=\"3828\" data-end=\"3899\">Q2: What is the difference between single-lip and double-lip seals?<\/strong><\/h3>\n<ul data-start=\"3902\" data-end=\"4031\">\n<li data-start=\"3902\" data-end=\"3951\">\n<p data-start=\"3904\" data-end=\"3951\"><strong data-start=\"3904\" data-end=\"3919\">Single lip:<\/strong> Best for lubricant retention.<\/p>\n<\/li>\n<li data-start=\"3952\" data-end=\"4031\">\n<p data-start=\"3954\" data-end=\"4031\"><strong data-start=\"3954\" data-end=\"3969\">Double lip:<\/strong> Provides additional protection against dust and contaminants.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"4033\" data-end=\"4086\"><strong data-start=\"4037\" data-end=\"4084\">Q3: Can oil seals handle high temperatures?<\/strong><\/h3>\n<p data-start=\"4087\" data-end=\"4211\">Yes. With FKM (Viton) material, oil seals can operate reliably at temperatures up to around 200\u00b0C, depending on application.<\/p>\n<h3 data-start=\"4213\" data-end=\"4254\"><strong data-start=\"4217\" data-end=\"4252\">Q4: Are custom sizes available?<\/strong><\/h3>\n<p data-start=\"4255\" data-end=\"4355\">Yes. We can manufacture oil seals in custom shaft and housing dimensions based on your requirements.<\/p>\n<h3 data-start=\"4357\" data-end=\"4405\"><strong data-start=\"4361\" data-end=\"4403\">Q5: Do you support industry standards?<\/strong><\/h3>\n<p data-start=\"4406\" data-end=\"4489\">Yes. Our oil seals comply with <strong data-start=\"4437\" data-end=\"4449\">DIN 3760<\/strong> and equivalent international standards.<\/p>","protected":false},"excerpt":{"rendered":"<p>Oil Seals supplied by Wonzh are precision-engineered radial shaft seals designed to retain lubricants, prevent fluid leakage, and block the ingress of dust, dirt, and contaminants in rotating machinery.<\/p>","protected":false},"featured_media":1493,"comment_status":"open","ping_status":"closed","template":"","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":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","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":"","background-image":"","background-repeat":"repeat","background-position":"center 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