{"product_id":"u-v-h-groove-steel-wheel-pulley-bearing-sliding","title":"Track Linear Shaft Roller Bearing U V H Groove Steel Wheel Metal Pulley Sliding","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eU \/ V \/ H Groove Steel Wheel Pulley — Reliable Sliding for Linear Rail Systems\u003c\/h2\u003e\n\u003cp\u003eWhen your linear motion project demands smooth, low-friction travel along a track or shaft, a mismatched or undersized pulley wheel becomes the weakest link. Whether you are building a CNC gantry, a sliding door mechanism, a camera slider, or a conveyor guide system, these U V H groove steel wheel pulleys give makers, fabricators, and workshop engineers a dependable rolling solution that fits the rail and stays there.\u003c\/p\u003e\n\u003cp\u003eEach wheel is machined from stainless steel — available in 304 or 201 grade — with a precision-formed groove profile (U, V, or H type) that seats firmly on round shafts or angled rails. Outer diameters range from 34 mm (1.34 in) to 68 mm (2.68 in), with groove widths of 10 mm, 16 mm, 22 mm, or 25 mm to match common track profiles. An integrated rolling bearing at the bore ensures smooth rotation with minimal play.\u003c\/p\u003e\n\u003cp\u003eTypical applications include DIY linear rail slides for 3D printers and laser cutters, sliding gate and barn-door hardware, overhead trolley systems, and light-duty conveyor guide wheels. The stainless steel construction resists rust in damp workshop environments, making these wheels a practical choice for both indoor automation builds and semi-exposed installations.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e⚙️\u003c\/span\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits standard round shafts and angled linear rails. Match the groove type (U \/ V \/ H) and outer diameter to your track profile. Check variant options for exact OD and groove width before ordering.\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These U V H Groove Steel Wheel Pulleys\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-list\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\n\u003cstrong\u003eThree Groove Profiles\u003c\/strong\u003e\n\u003cp\u003eU-type for round shafts, V-type for angled rails, and H-type for flat-flanged tracks — choose the profile that matches your linear guide system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\n\u003cstrong\u003eWide Size Range\u003c\/strong\u003e\n\u003cp\u003eOD options from 34 mm to 68 mm with groove widths of 10, 16, 22, or 25 mm cover the most common DIY and light-industrial track dimensions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\n\u003cstrong\u003eStainless Steel Construction\u003c\/strong\u003e\n\u003cp\u003e304 stainless steel offers strong corrosion resistance for damp or outdoor-adjacent environments; 201 stainless steel provides a cost-effective alternative for dry indoor use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\n\u003cstrong\u003eIntegrated Rolling Bearing\u003c\/strong\u003e\n\u003cp\u003eEach wheel includes a built-in bearing at the bore for smooth, low-friction rotation and reduced wobble during linear travel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\n\u003cstrong\u003eVersatile Application\u003c\/strong\u003e\n\u003cp\u003eSuitable for CNC gantries, sliding doors, camera sliders, overhead trolleys, conveyor guides, and other linear motion DIY builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n\u003cstrong\u003eStraightforward Installation\u003c\/strong\u003e\n\u003cp\u003eStandard bore sizing allows direct mounting on common shaft diameters. Select your size and groove type from the variant options above for a drop-in fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — U V H Groove Steel Wheel Pulley\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eGroove Type\u003c\/th\u003e\n\u003ctd\u003eU Type \/ V Type \/ H Type (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Diameter (OD)\u003c\/th\u003e\n\u003ctd\u003e34 mm \/ 48 mm \/ 58 mm \/ 68 mm (1.34\" \/ 1.89\" \/ 2.28\" \/ 2.68\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGroove Width\u003c\/th\u003e\n\u003ctd\u003e10 mm \/ 16 mm \/ 22 mm \/ 25 mm (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e304 Stainless Steel \/ 201 Stainless Steel (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing Type\u003c\/th\u003e\n\u003ctd\u003eIntegrated rolling bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBore Diameter\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eNatural stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose between U, V, and H groove types?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe groove type must match your track or shaft profile. U-type wheels are designed for round shafts or round-bottom rails. V-type wheels seat on angled or V-shaped rails, which is common in linear guide systems. H-type wheels suit flat-flanged or I-beam style tracks. Measure your rail cross-section before selecting.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich outer diameter should I choose?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eSelect the OD based on your track geometry and the clearance available in your build. Larger OD wheels (58–68 mm) distribute load over a wider contact area and are better for heavier sliding assemblies. Smaller OD wheels (34–48 mm) suit compact builds with tighter spatial constraints.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between 304 and 201 stainless steel?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003e304 stainless steel contains higher nickel content, giving it superior corrosion resistance — a good choice for damp workshops, outdoor-adjacent installations, or anywhere moisture is a concern. 201 stainless steel is a lower-nickel grade that performs well in dry indoor environments and offers a more economical option when corrosion resistance is less critical.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill these wheels fit my existing linear rail or shaft?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eCompatibility depends on matching the groove type, OD, and groove width to your rail or shaft dimensions. Check the groove width of your track against the variant specifications (10 mm, 16 mm, 22 mm, or 25 mm). If you are unsure, contact us with your rail dimensions and we can help confirm the right variant.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow much load can these pulley wheels handle?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eLoad capacity varies by size and groove type. Larger OD variants with wider grooves generally support higher radial loads. For precise load ratings, refer to the bearing specification of the integrated bearing or contact us to confirm suitability for your application.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan these wheels be used outdoors or in wet conditions?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe 304 stainless steel variants offer good resistance to rust and oxidation, making them suitable for semi-exposed or damp environments. For fully outdoor or high-humidity applications, ensure the mounting hardware is also corrosion-resistant. The 201 stainless steel variants are better suited to dry indoor use.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need any special tools to install these wheels?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eInstallation typically requires standard workshop tools — a shaft or bolt of the correct diameter, appropriate fasteners, and a wrench. No special press-fit tools are needed for most DIY linear rail builds. Ensure the bore diameter matches your shaft before assembly.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-cta\"\u003e\n🛒 Select your groove type, outer diameter, and material above, then add to cart.\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose between U, V, and H groove types?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The groove type must match your track or shaft profile. U-type wheels are designed for round shafts or round-bottom rails. V-type wheels seat on angled or V-shaped rails. H-type wheels suit flat-flanged or I-beam style tracks. Measure your rail cross-section before selecting.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Which outer diameter should I choose?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Select the OD based on your track geometry and available clearance. Larger OD wheels (58–68 mm) suit heavier sliding assemblies. 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Contact us if you need help confirming the right variant.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How much load can these pulley wheels handle?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Load capacity varies by size and groove type. Larger OD variants with wider grooves generally support higher radial loads. Contact us to confirm suitability for your specific application.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can these wheels be used outdoors or in wet conditions?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"304 stainless steel variants offer good rust resistance for semi-exposed or damp environments. 201 stainless steel variants are better suited to dry indoor use.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I need any special tools to install these wheels?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Installation typically requires standard workshop tools — a shaft or bolt of the correct diameter, appropriate fasteners, and a wrench. Ensure the bore diameter matches your shaft before assembly.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"HomeDIYer","offers":[{"title":"U Type (OD 34mm Groove 10mm) \/ 304 Stainless Steel","offer_id":52446283956498,"sku":"LXDLIIIIU16093x1","price":24.87,"currency_code":"USD","in_stock":true},{"title":"U Type (OD 48mm Groove 16mm) \/ 304 Stainless Steel","offer_id":52446283989266,"sku":"LXDLIIIIU16094x1","price":38.34,"currency_code":"USD","in_stock":true},{"title":"U Type (OD 58mm Groove 22mm) \/ 304 Stainless Steel","offer_id":52446284022034,"sku":"LXDLIIIIU16095x1","price":59.55,"currency_code":"USD","in_stock":true},{"title":"U Type (OD 68mm Groove 22mm) \/ 304 Stainless Steel","offer_id":52446284054802,"sku":"LXDLIIIIU16096x1","price":86.16,"currency_code":"USD","in_stock":true},{"title":"U Type (OD 68mm Groove 25mm) \/ 304 Stainless Steel","offer_id":52446284087570,"sku":"LXDLIIIIU16097x1","price":84.66,"currency_code":"USD","in_stock":true},{"title":"V Type (OD 34mm 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