{"product_id":"lmh12uu-round-flange-linear-ball-bearing-12mm-3d-printer","title":"LMH12UU Round Flange Linear Ball Bearing 12mm – 3D Printer","description":"\u003ch2\u003eLMH12UU Round Flange Linear Ball Bearing – 12mm Shaft\u003c\/h2\u003e\n\u003cp\u003eUpgrade your 3D printer or CNC machine with the \u003cstrong\u003eKande Bearings LMH12UU Round Flange Linear Ball Bearing\u003c\/strong\u003e. Engineered for smooth, precise linear motion along 12mm shafts, this bearing features a round flange mount design that makes installation quick and secure. Whether you're building or maintaining a 3D printer, router, or automated equipment, this bearing delivers reliable, low-friction performance you can count on.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e LMH12UU\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShaft Diameter:\u003c\/strong\u003e 12mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Round flange mount for easy, bolt-on installation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBall Bearing Construction:\u003c\/strong\u003e Precision steel balls for smooth, consistent linear travel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Friction:\u003c\/strong\u003e Ensures accurate, repeatable motion — ideal for 3D printers, CNC machines, and automation equipment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Kande Bearings — a trusted name in precision motion components\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 piece per order\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in Mainland China\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLMH12UU\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBearing Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRound Flange Linear Ball Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKande Bearings\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 pc\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat Is It Used For?\u003c\/h3\u003e\n\u003cp\u003eThe LMH12UU flange linear bearing is a go-to component for:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3D printers (FDM, delta, CoreXY builds and repairs)\u003c\/li\u003e\n  \u003cli\u003eCNC routing and milling machines\u003c\/li\u003e\n  \u003cli\u003eLaser engravers and plotters\u003c\/li\u003e\n  \u003cli\u003eRobotic arms and linear actuator assemblies\u003c\/li\u003e\n  \u003cli\u003eDIY automation and maker projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-durable-gold-blade-nut-metal-universal-trimmer-accessories-anti-loosening-line-left-hand-thread-replacement-parts-1\"\u003e10pcs Durable Gold Blade Nut Metal Universal Trimmer Accessories Anti-Loosening Replacement Parts\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-20mm-diamond-flat-grinding-wheel-dry-and-wet-use-heavy-duty-concrete-grinder-wheel-blue-vacuum-brazed\"\u003e10\/20mm Diamond Flat Grinding Wheel – Dry and Wet Use Heavy Duty Concrete Grinder\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge\"\u003e10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8 Phillips\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What shaft diameter is the LMH12UU linear ball bearing designed for?\u003c\/h4\u003e\n\u003cp\u003eA: The LMH12UU round flange linear ball bearing is specifically designed for 12mm diameter shafts, making it a standard fit for most 3D printers and CNC machines that use 12mm linear rods.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between LMH12UU and a standard LM12UU bearing?\u003c\/h4\u003e\n\u003cp\u003eA: The LMH12UU features a round flange on the outer housing, which allows it to be bolted directly to a mounting plate or frame — making installation easier and more secure compared to the standard cylindrical LM12UU, which requires a clamp or housing bracket.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this bearing compatible with my 3D printer?\u003c\/h4\u003e\n\u003cp\u003eA: If your 3D printer uses 12mm linear rods and has a round flange bearing mount, the LMH12UU is an excellent compatible replacement or upgrade. Always verify your machine's shaft diameter and mount type before ordering.\u003c\/p\u003e\n\u003ch4\u003eQ: How many bearings are included per order?\u003c\/h4\u003e\n\u003cp\u003eA: Each order includes 1 (one) LMH12UU round flange linear ball bearing. Order multiple quantities if your build requires more than one.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What shaft diameter is the LMH12UU linear ball bearing designed for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The LMH12UU round flange linear ball bearing is specifically designed for 12mm diameter shafts, making it a standard fit for most 3D printers and CNC machines that use 12mm linear rods.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between LMH12UU and a standard LM12UU bearing?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The LMH12UU features a round flange on the outer housing, which allows it to be bolted directly to a mounting plate or frame — making installation easier and more secure compared to the standard cylindrical LM12UU, which requires a clamp or housing bracket.\"}}, {\"@type\": \"Question\", \"name\": \"Is this bearing compatible with my 3D printer?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"If your 3D printer uses 12mm linear rods and has a round flange bearing mount, the LMH12UU is an excellent compatible replacement or upgrade. 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