{"id":2173,"date":"2026-08-08T10:25:11","date_gmt":"2026-08-08T02:25:11","guid":{"rendered":"https:\/\/cnsandcasting.com\/?post_type=product&#038;p=2173"},"modified":"2026-08-08T10:25:11","modified_gmt":"2026-08-08T02:25:11","slug":"black-painted-galvanized-coated-trailer-hub","status":"publish","type":"product","link":"https:\/\/cnsandcasting.com\/ru\/product\/black-painted-galvanized-coated-trailer-hub\/","title":{"rendered":"Black Painted Galvanized Coated Trailer Hub"},"content":{"rendered":"<h2>Black Painted &amp; Galvanized Coated Trailer Hubs<\/h2>\n<p>Our\u00a0<strong>black painted trailer short hub<\/strong>\u00a0and\u00a0<strong>galvanized coated trailer hub<\/strong>\u00a0are designed to meet the rigorous demands of trailer manufacturers, automotive parts suppliers, and related enterprises. Featuring a robust iron construction and precision machining, these trailer hubs deliver a reliable solution for heavy-duty applications.<\/p>\n<p>&nbsp;<\/p>\n<h3>Key Design Advantages<\/h3>\n<p>1)\u00a0<strong>Superior Strength:<\/strong>\u00a0The body is made from meticulously cast carbon steel or low alloy steel, ensuring high tensile strength.<br \/>\n2)\u00a0<strong>Corrosion Resistance:<\/strong>\u00a0The\u00a0<em>black painting<\/em>\u00a0finish helps protect the hub from rust, while our\u00a0<em>galvanized coated trailer hub<\/em>\u00a0option further extends lifespan in harsher environments.<br \/>\n3)\u00a0<strong>Accurate Fit:<\/strong>\u00a0Each hub is engineered with precise bore dimensions to achieve snug bearing fit and low vibration performance.<\/p>\n<p>&nbsp;<\/p>\n<h3>Material &amp; Coating Options<\/h3>\n<p>\u2022\u00a0<strong>Cast Iron or Carbon Steel:<\/strong>\u00a0Delivers reliable structural strength for diverse trailer weight requirements.<br \/>\n\u2022\u00a0<strong>Black Painted Finish:<\/strong>\u00a0Ideal for standard trailer applications, offering consistent protection against moisture and debris.<br \/>\n\u2022\u00a0<strong>Galvanized Coating:<\/strong>\u00a0A popular choice for environments exposed to saltwater or corrosive elements. This coating extends the part\u2019s service life and is especially beneficial for marine-use trailers.<\/p>\n<p>&nbsp;<\/p>\n<h3>Performance &amp; Technical Details<\/h3>\n<ul>\n<li><strong>Precision Machining:<\/strong>\u00a0We utilize advanced CNC processes to guarantee uniform thickness and bore accuracy.<\/li>\n<li><strong>Quality Studs:<\/strong>\u00a0Each trailer hub is equipped with high-grade studs, designed for secure wheel mounting.<\/li>\n<li><strong>Extended Life Bearings:<\/strong>\u00a0Bearings are seated with optimal tolerance to minimize friction and wear.<\/li>\n<li><strong>OEM\/ODM Availability:<\/strong>\u00a0We welcome customization for unique requirements, including specific bolt circles, bearings, or coatings.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Applications &amp; Usage<\/h3>\n<p>These\u00a0<strong>heavy-duty\u00a0<span class=\"keywords_replace\"><a href=\"https:\/\/www.kstcasting.com\/trailer-parts\/\">Trailer Parts<\/a><\/span><\/strong>\u00a0are highly versatile and suitable for:<\/p>\n<ol>\n<li>Utility trailers, boat trailers, and agriculture machinery trailers<\/li>\n<li>Industrial applications requiring stable wheel assemblies<\/li>\n<li>OEM and aftermarket\u00a0<span class=\"keywords_replace\"><a href=\"https:\/\/www.kstcasting.com\/auto-parts\/\">Auto Parts<\/a><\/span>\u00a0distributors seeking robust trailer components<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h3>Why Choose Ningbo Ruican Machinery Co., Ltd.<\/h3>\n<p>Established in 2009,\u00a0<strong>Ningbo Ruican Machinery Co.,Ltd.<\/strong>\u00a0is a leading\u00a0<em>production manufacturer<\/em>\u00a0specializing in a wide range of casting and\u00a0<span class=\"keywords_replace\"><a href=\"https:\/\/www.kstcasting.com\/forging-products\/\">Forging Products<\/a><\/span>. From\u00a0<em>valve accessories<\/em>\u00a0to\u00a0<em>auto parts<\/em>,\u00a0<em>agriculture machinery accessories<\/em>,\u00a0<em><span class=\"keywords_replace\"><a href=\"https:\/\/www.kstcasting.com\/\">Marine Fittings<\/a><\/span><\/em>, and\u00a0<em>construction parts<\/em>, our commitment to reliable engineering solutions sets us apart. We employ\u00a0<strong>advanced casting processes<\/strong>\u00a0to ensure consistent quality. With an export ratio of 50% and main markets in the USA and Europe, we are your trusted partner for trailer hubs and more.<\/p>\n<p>&nbsp;<\/p>\n<h3>Frequently Asked Questions<\/h3>\n<p><strong>Q1: What is your typical lead time?<\/strong><br \/>\nA: Our average delivery time is around 35 days, depending on the production schedule and order quantity.<\/p>\n<p><strong>Q2: Do you support custom sizes and coatings?<\/strong><br \/>\nA: Yes. We offer OEM\/ODM services to meet diverse specifications and coating requirements, including black painted and galvanized.<\/p>\n<p><strong>Q3: Can I get a sample for inspection?<\/strong><br \/>\nA: Sample requests can be accommodated. Please contact us for more details about lead times and shipping.<\/p>\n<p>&nbsp;<\/p>\n<p>For high-quality\u00a0<em>black painted trailer short hub<\/em>\u00a0or\u00a0<em>galvanized coated trailer hub<\/em>, trust Ningbo Ruican Machinery Co., Ltd. for consistent, durable, and cost-effective solutions. Reach out to us now for quotes or technical advice!<\/p>\n<p><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" data-attachment-id=\"2127\" data-permalink=\"https:\/\/cnsandcasting.com\/ru\/?attachment_id=2127\" data-orig-file=\"https:\/\/i0.wp.com\/cnsandcasting.com\/wp-content\/uploads\/2026\/08\/%E8%AF%A6%E6%83%85%E9%A1%B5.png?fit=1024%2C1536&amp;ssl=1\" data-orig-size=\"1024,1536\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;,&quot;alt&quot;:&quot;&quot;}\" data-image-title=\"\u8be6\u60c5\u9875\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/cnsandcasting.com\/wp-content\/uploads\/2026\/08\/%E8%AF%A6%E6%83%85%E9%A1%B5.png?fit=683%2C1024&amp;ssl=1\" class=\"alignleft size-full wp-image-2127\" src=\"https:\/\/i0.wp.com\/cnsandcasting.com\/wp-content\/uploads\/2026\/08\/%E8%AF%A6%E6%83%85%E9%A1%B5.png?resize=1024%2C1536&#038;ssl=1\" alt=\"\u8be6\u60c5\u9875\" width=\"1024\" height=\"1536\" srcset=\"https:\/\/i0.wp.com\/cnsandcasting.com\/wp-content\/uploads\/2026\/08\/%E8%AF%A6%E6%83%85%E9%A1%B5.png?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/cnsandcasting.com\/wp-content\/uploads\/2026\/08\/%E8%AF%A6%E6%83%85%E9%A1%B5.png?resize=200%2C300&amp;ssl=1 200w, https:\/\/i0.wp.com\/cnsandcasting.com\/wp-content\/uploads\/2026\/08\/%E8%AF%A6%E6%83%85%E9%A1%B5.png?resize=683%2C1024&amp;ssl=1 683w, https:\/\/i0.wp.com\/cnsandcasting.com\/wp-content\/uploads\/2026\/08\/%E8%AF%A6%E6%83%85%E9%A1%B5.png?resize=768%2C1152&amp;ssl=1 768w, https:\/\/i0.wp.com\/cnsandcasting.com\/wp-content\/uploads\/2026\/08\/%E8%AF%A6%E6%83%85%E9%A1%B5.png?resize=8%2C12&amp;ssl=1 8w, https:\/\/i0.wp.com\/cnsandcasting.com\/wp-content\/uploads\/2026\/08\/%E8%AF%A6%E6%83%85%E9%A1%B5.png?resize=600%2C900&amp;ssl=1 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Black Painted &amp; Galvanized Coated Trailer Hubs Our\u00a0black painted trailer short hub\u00a0and\u00a0galvanized coated trailer hub\u00a0are designed to meet the rigorous demands of trailer manufacturers, automotive parts suppliers, and related enterprises. Featuring a robust iron construction and precision machining, these trailer hubs deliver a reliable solution for heavy-duty applications. &nbsp; Key Design Advantages 1)\u00a0Superior Strength:\u00a0The body [&hellip;]<\/p>\n","protected":false},"featured_media":2178,"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":"","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 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-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":"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":""},"mobile":{"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":""}},"jetpack_publicize_message":"{title}\r\n\r\n{excerpt}\r\n\r\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false},"product_brand":[],"product_cat":[1393],"product_tag":[],"class_list":["post-2173","product","type-product","status-publish","has-post-thumbnail","product_cat-automotive-parts","desktop-align-center","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Black Painted Galvanized Coated Trailer Hub - Ruican Machinery<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cnsandcasting.com\/ru\/product\/black-painted-galvanized-coated-trailer-hub\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Black Painted Galvanized Coated Trailer Hub - Ruican Machinery\" \/>\n<meta property=\"og:description\" content=\"Black Painted &amp; Galvanized Coated Trailer Hubs Our\u00a0black painted trailer short hub\u00a0and\u00a0galvanized coated trailer hub\u00a0are designed to meet the rigorous demands of trailer manufacturers, automotive parts suppliers, and related enterprises. Featuring a robust iron construction and precision machining, these trailer hubs deliver a reliable solution for heavy-duty applications. &nbsp; Key Design Advantages 1)\u00a0Superior Strength:\u00a0The body [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cnsandcasting.com\/ru\/product\/black-painted-galvanized-coated-trailer-hub\/\" \/>\n<meta property=\"og:site_name\" content=\"Ruican Machinery\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/nbruican\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cnsandcasting.com\/wp-content\/uploads\/2026\/08\/black-painted-trailer-short-hub-galvanized-coated-trailer-hub-3.png\" \/>\n\t<meta property=\"og:image:width\" content=\"763\" \/>\n\t<meta property=\"og:image:height\" content=\"727\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u041f\u0440\u0438\u043c\u0435\u0440\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 \u043c\u0438\u043d\u0443\u0442\u044b\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/cnsandcasting.com\\\/product\\\/black-painted-galvanized-coated-trailer-hub\\\/\",\"url\":\"https:\\\/\\\/cnsandcasting.com\\\/product\\\/black-painted-galvanized-coated-trailer-hub\\\/\",\"name\":\"Black Painted Galvanized Coated Trailer Hub - Ruican Machinery\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/cnsandcasting.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/cnsandcasting.com\\\/product\\\/black-painted-galvanized-coated-trailer-hub\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/cnsandcasting.com\\\/product\\\/black-painted-galvanized-coated-trailer-hub\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/cnsandcasting.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/black-painted-trailer-short-hub-galvanized-coated-trailer-hub-3.png?fit=763%2C727&ssl=1\",\"datePublished\":\"2026-08-08T02:25:11+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/cnsandcasting.com\\\/product\\\/black-painted-galvanized-coated-trailer-hub\\\/#breadcrumb\"},\"inLanguage\":\"ru-RU\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/cnsandcasting.com\\\/product\\\/black-painted-galvanized-coated-trailer-hub\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ru-RU\",\"@id\":\"https:\\\/\\\/cnsandcasting.com\\\/product\\\/black-painted-galvanized-coated-trailer-hub\\\/#primaryimage\",\"url\":\"https:\\\/\\\/i0.wp.com\\\/cnsandcasting.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/black-painted-trailer-short-hub-galvanized-coated-trailer-hub-3.png?fit=763%2C727&ssl=1\",\"contentUrl\":\"https:\\\/\\\/i0.wp.com\\\/cnsandcasting.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/black-painted-trailer-short-hub-galvanized-coated-trailer-hub-3.png?fit=763%2C727&ssl=1\",\"width\":763,\"height\":727,\"caption\":\"black painted trailer short hub galvanized coated trailer hub (3)\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/cnsandcasting.com\\\/product\\\/black-painted-galvanized-coated-trailer-hub\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\\\/\\\/cnsandcasting.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Black Painted Galvanized Coated Trailer Hub\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/cnsandcasting.com\\\/#website\",\"url\":\"https:\\\/\\\/cnsandcasting.com\\\/\",\"name\":\"cnsandcasting.com\",\"description\":\"Sand Casting &amp; 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