12mm Linear Bearing
I 10 migliori prodotti di gennaio 2026
Ultimo aggiornamento:
11 gennaio 2026
Rhawuy
LM12LUU Linear Motion Bearing 2 - Pack | High Rigidity Steel for Accurate Movement | Low Friction Ball Bearing for 3D Printers/CNC Machines | 12mm Inner Diameter
99
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Grade Bearing Steel - These linear motion bearings use heat-treated bearing steel for high rigidity and abrasion resilience. The robust construction maintains accurate dimensions under heavy loads, ensuring consistent performance in industrial applications and automated equipment.
Smooth Low-Friction Movement - Linear ball bearing design provides accurate motion with minimal drag. Reduced friction prevents sticking and binding, allowing your CNC equipment and 3D printers to function with improved accuracy and reduced motor strain during extended use.
Direct Replacement Solution - Standard LM12LUU size (12mm inner diameter, 21mm outer diameter, 57mm length) ensures easy installation. This 2-pack set replaces deteriorated components in 3D printers, CNC routers, and automated machinery without requiring modifications or adjustments.
Multi-Application Performance - Low-friction linear bearings work efficiently across various motion systems. The accurate engineering reduces maintenance needs and extends equipment lifespan, saving time and replacement costs in manufacturing and prototyping environments.
Robust Construction Assurance - Heat-treated steel withstands continuous use in demanding conditions. These bearings maintain smooth movement over long periods, eliminating premature failure concerns and ensuring consistent performance for critical projects.
11,59 € SU AMAZON
ZYLARUM
LM12LUU Linear Motion Bearing 2 Pcs | High Rigidity Bearing Steel for Smooth Low Friction Movement | CNC & 3D Printer Replacement | 12mm ID, 57mm Length
96
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Bearing Steel Construction - LM12UU linear bearings are crafted from high-grade bearing steel with heat treatment, delivering exceptional rigidity and durability for extended performance in demanding applications like CNC routers and automated equipment.
Precise Smooth Movement with Low Friction - These linear ball bearings ensure accurate and smooth linear motion with minimal friction, reducing abrasion on your machinery and maintaining consistent accuracy for tasks requiring high repeatability.
Easy Installation & Direct Replacement - With standard LM12LUU dimensions (12mm inner diameter, 21mm outer diameter, 57mm length), this 2-pack set offers an ideal match for replacing worn bearings in 3D printers, engraving systems, and industrial CNC systems without modification.
Optimized for High-Performance Machinery - Engineered for continuous use, these bearings minimize efficiency loss from friction, enhancing the productivity and speed of your 3D printing or CNC projects while supporting heavy loads with stability.
Dependable Performance Assurance - Each bearing undergoes strict quality control to ensure uninterrupted linear motion, avoiding misalignment and mechanical issues so you can concentrate on production without downtime or maintenance concerns.
11,59 € SU AMAZON
Rhawuy
LM12UU Linear Ball Bearing 12mm ID 21mm OD 30mm Length | Alloy Steel Linear Motion Bushing for 3D Printers/CNC Machines/Industrial Equipment | Low Friction Bearing Set
95
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Accurate 12mm Ball Bearings - LM12UU linear bearings maintain exact 12mm ID, 21mm OD, and 30mm length dimensions for consistent fit in motion systems. Each set includes 10 pieces ready for immediate installation in CNC routers and automated equipment.
Alloy Steel Construction - High-strength alloy steel bearings withstand heavy loads and continuous use without deformation. Their hardened exterior resists abrasion in high-speed applications like 3D printers and engraving machines.
Oxidation-Resistant Performance - These linear motion bushings address oxidation, humidity, and industrial chemicals for long-term dependability. Ideal for manufacturing environments, robotics, and aerospace applications where component failure isn't an option.
Low-Friction Movement - Smooth polished exterior and accurate balls reduce running noise and electricity consumption. Enjoy consistent 99% low-particle functioning in XYZ modules and automated guided vehicles with minimal maintenance requirements.
Multi-Industry Application - Linear ball bearings install quickly in textile machinery, metallurgy equipment, and construction automation systems. Their standardized LM12UU design ensures compatibility across international industrial equipment brands.
18,39 € SU AMAZON
SustVita
SustVita 12mm Linear Motion Bearings LM12UU Ball Bearing Bushing for CNC Parts 3D Printer Rod Systems Low Noise Automation Components
90
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DURABLE CONSTRUCTION: Made from bearing steel for low noise operation and extended durability. This material choice supports consistent, long term use in your equipment.
EFFICIENT SEALING: Each bearing is double sealed. This design helps to keep lubricant inside while preventing pollutants from entering the internal components.
STANDARD SIZING: These LM12UU bearings have a 12mm bore, a 20mm outer diameter, and a 30mm length, ideal for projects using a 12mm rod.
VERSATILE USE: An excellent choice for small hobby 12mm shaft / rod projects such as a 3D printer, engraving machine, or custom CNC parts.
BULK QUANTITY: Receive a set of 10 linear motion bearings, making it convenient to have components available for different projects or maintenance needs.
16,59 € SU AMAZON
Ruimou
Ruimou 12Pcs LM12UU Solido Polymer Bearing 12MM Linear Bearings(12X21.5X32MM) per Macchina Scorrevole, Stampante 3D Sostituire Parti
87
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1.LM12UU cuscinetti in polimero solido, 12mm (diametro interno. )* 21,5 mm (diametro esterno. )* 32mm (spessore).
2. I cuscinetti del polimero possono ridurre le vibrazioni e il rumore e utilizzare i lubrificanti durante l'installazione per ottenere buoni risultati.
Il cuscinetto in polimero LM12UU può sostituire il cuscinetto in metallo LM12UU (si prega di notare che le dimensioni sono diverse), adatto per l'uso scorrevole di piccole macchine CNC (non adatte per sopportare oggetti pesanti).
Il cuscinetto polimerico 4.LM12UU è adatto per stampanti 3D RepRap/Prusa/Mendel, alberi lineari, parti scorrevoli di piccole macchine.
La confezione include: 12 cuscinetti in polimero LM12UUU
33,40 € SU AMAZON
REXVTNS
LM6UU Linear Bearing 10Pcs | 6mm ID 12mm OD Alloy Steel | Low Friction for 3D Printers/CNC/Industrial Use | Dependable Performance
80
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Engineered Design - LM6UU bearings feature 6mm inner diameter and 12mm outer diameter with micron-level tolerances, ensuring smooth linear motion for demanding applications like CNC routers and cutting devices.
Industrial-Grade Alloy Steel - Linear bearings are crafted from hardened alloy steel with polished exterior treatment, resisting deformation under heavy loads while maintaining 90% less friction than standard bushings.
Multi-Equipment Compatibility - These 19mm length bearings install instantly on 3D printer guide rails, engraving machines, and automated assembly lines with our included 10-piece set for full-axis coverage.
Effortless Performance - Lubricating design eliminates grease requirements, saving 30+ hours annual upkeep time for textile machinery and robotic arms in dusty environments.
ISO-Certified Durability - Each bearing undergoes 72-hour stress testing to ensure 50,000+ rotations lifespan, backed by our 2-year coverage against manufacturing defects.
14,39 € SU AMAZON
AYAZER
AYAZER 4pcs SBR12LUU Linear Motion Bearing Blocks, 12mm Aluminum Slide for SBR12 Linear Guide Rail CNC Systems
81
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4-Piece Complete Set: Includes 4 SBR12LUU bearing blocks for full linear motion system assembly and replacement needs
12mm Precision Aluminum Construction: Made from aluminum material with exact 12mm specifications for SBR12 rail compatibility
SBR12 Rail Specific Design: Engineered to perfectly match SBR12 linear guide rails for smooth mechanical movement
Multi-System Compatibility: Suitable for use with HGR, EGR, MGN, MGW, SGR, LGD, and TBR linear rail series
CNC & Automation Ready: Ideal for CNC machinery, 3D printers, industrial automation equipment, and DIY projects
22,37 € SU AMAZON
ZYLARUM
LM6UU Linear Motion Bearing 6mm ID 12mm OD 19mm Length | Alloy Steel for High Accuracy & Low Friction | 10Pcs Set for 3D Printers/CNC Machines/Industrial Automation
78
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Accuracy Low-Friction Performance - LM6UU bearings feature a smoother exterior that ensures stable functioning with high accuracy and minimal friction. This design reduces abrasion on machine parts for quieter performance and extended equipment lifespan in 3D printers and CNC routers.
Robust Alloy Steel Construction - These linear bearings are crafted from enhanced-grade alloy steel, providing exceptional resilience to deformation under heavy loads. The strong material guarantees extended service life and consistent performance in demanding industrial environments.
Standard LM6UU Dimensions - With a 6mm inner diameter, 12mm outer diameter, and 19mm length, these bearings ensure exact compatibility and easy replacement on standard guide rails. This accurate fit eliminates installation hassles for stepper motor systems and machine tools.
Quick and Easy Installation - The compact size and lightweight design of these bushing bearings allow for fast installation within minutes. This saves valuable setup time and reduces maintenance downtime, making them suitable for both expert workshops and DIY projects.
Versatile Multi-Industry Application - This 10-pack set is engineered for wide-ranging use across industrial automation, robotics, and machinery. You get consistent components that meet the rigorous demands of multiple sectors, ensuring a strategic investment.
14,39 € SU AMAZON
QWUUYEC
10Pcs Linear Motion Bearing Cilindrico, Guida Lineare LM6UU, In Acciaio Inossidabile 6mm ID 12mm OD - Movimento Lineare Precisio, Bassa Frizione, Ideale per Stampanti 3D e CNC
76
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[Compatibilità Guidaline]: Perfetti per guida lineare in stampanti 3D, CNC e moduli di movimento lineare, garantendo scorrimento fluido e preciso per applicazioni industriali e fai-da-te
[Materiale Resistente]: Realizzati in acciaio inossidabile 304, offrono elevata durabilità e resistenza alla corrosione, ideali per un uso prolungato in vari ambienti
[Bassa Frizione e Movimento Fluido]: Sei file di sfere in acciaio formano un circuito chiuso per garantire un movimento lineare a basso attrito e alta rigidità, riducendo usura e rumore
[Manutenzione Semplice]: Pre-lubrificati e dotati di guarnizioni di contatto su entrambi i lati per proteggere da contaminanti, facilitando la manutenzione e prolungando la vita utile
[Applicazioni Versatili]: Componenti essenziali per moduli lineari, guide lineari e assi ottici, perfetti come ricambi per banchi di prova o unità di movimento di precisione
13,69 € SU AMAZON
Rhawuy
SC12UU Linear Bearing Slide Block | 2 Pcs Aluminum Alloy Sliding Block for CNC Machinery / 3D Printers | Oxidation Treated & Low Friction Design | 12mm Inner Diameter
76
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Aluminum Alloy Construction - SC12UU linear bearing uses robust aluminum alloy that handles heavy loads without bending. This strong material works reliably in industrial automation and CNC machines for extended performance.
Oxidation Treated Protection - These sliding blocks undergo exterior treatment to create a protective layer that prevents oxidation and degradation. Maintain smooth functioning in humid workshops or high-temperature environments while reducing maintenance frequency.
High-Speed Accurate Movement - Linear bearing delivers silent, low-friction sliding motion with consistency within 0.01mm tolerance. Ideal for 3D printers, engraving machines, and automated assembly lines where stable functioning is critical.
Easy Maintenance Lubrication System - Simply drip lubricant oil into the bearing block to maintain optimal performance. This quick-lube design extends service life to over 10,000 hours while cutting downtime by 50% compared to conventional bearings.
Multi-Industrial Application Ready - Engineered for transmissions, engineering machinery, and accurate instruments. Each block measures 40mm×35mm×25mm with 12mm inner diameter, coming in 2-pack sets for immediate installation in your production upgrade.
13,29 € SU AMAZON
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