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Ensure smooth, precise motion in your CNC machine with the LM12UU Linear Bearing, a high-performance linear motion guide way designed to eliminate friction-related downtime. Crafted to ISO9001:2008 standards, this 12x21x30mm alloy bearing delivers consistent operation for industrial machinery, reducing maintenance needs and extending equipment lifespan.
MOQ
1 Piece
Sample Lead Time
3-5 Days
Bulk Lead Time
5-15 Days
Warranty
12 Months
Especificaciones del producto
Parámetro
Detalles
Modelo NO.
Serie
LM
Forma
Abrir
Material
Aleación
Lubricación
Grasa o Aceite
Certificación
:2008
Código HS
8482102000
Industrias de Aplicación
Industria
Equipo Típico
Fabricación
Maquinaria Industrial
CNC operators know the frustration of unexpected downtime—worn linear bearings cause inaccurate movements, scrap parts, and halted production. Sourcing replacement bearings often means choosing between long lead times for genuine parts or risky low-quality alternatives that fail prematurely. For machine shops running 24/7, every hour of downtime eats into profits and delays orders. Our LM12UU linear bearing is designed to solve these challenges. As a professional bearing manufacturer with over 18 years of experience, we produce linear motion guide way components that meet strict precision standards. The 12×21×30mm LM series bearing delivers smooth linear motion critical for CNC machine tools, ensuring consistent performance even under continuous operation. With ISO9001:2008 certification, each unit undergoes rigorous testing to guarantee dimensional accuracy and structural integrity. Rendimiento Óptimo en Entornos de Maquinado CNC
This linear bearing excels in the demanding conditions of CNC machining. Its open design allows for easy lubrication with grease or oil, adapting to varying operating speeds and loads. The alloy construction provides the durability needed to withstand metal chips, coolant exposure, and the constant reciprocating motion of machine tool slides. Whether used in vertical mills, lathes, or routing machines, the LM12UU maintains precise axial alignment, reducing vibration and improving surface finish quality of machined parts. Características Técnicas Clave Que Importan
The LM12UU’s performance is defined by critical specifications that directly impact CNC operation. Its 12mm bore diameter and 21mm outer diameter balance load capacity with compactness, fitting standard linear guide rails. The 30mm width provides sufficient contact area to handle radial and axial loads common in machining applications. The open shape design allows for heat dissipation during high-speed movement, preventing thermal expansion that could affect precision. Our alloy material selection ensures low friction coefficients, reducing power consumption and extending the bearing’s service life under continuous use. Choosing uncertified linear bearings may seem cost-effective initially, but the hidden expenses add up quickly. A single bearing failure can damage guide rails, requiring full replacement of the linear system—a cost 10 times that of the bearing itself. Poor precision leads to scrapped workpieces, wasted materials, and rework hours. Our ISO9001:2008 certified LM12UU linear bearings minimize these risks, with consistent quality that reduces maintenance intervals and extends machine uptime. Over the bearing’s lifespan, the higher initial investment translates to lower total cost of ownership compared to cheaper alternatives. Nuestro Compromiso con el Suministro Confiable
With a production capacity of 10,000 units monthly, we maintain stable inventory to meet urgent replacement needs. Our one-stop service covers OEM and ODM customization, allowing us to adjust dimensions or materials to match specific CNC machine requirements. Every bearing undergoes incoming material inspection and full-process production supervision, with in-house laboratory testing for dimensional accuracy and performance. As a high-tech enterprise certified by ISO 9001:2015 and ISO 14001, we adhere to international industrial standards, ensuring each LM12UU meets the same quality benchmarks as bearings supplied to global industrial buyers. Embalaje en cartón y paletas para un transporte seguro
Los pedidos de muestra se envían dentro de 3-5 días hábiles
Pedidos al por mayor entregados en 5-15 días hábiles
Don’t let bearing issues slow your production. Whether you need a single replacement or bulk order, we provide the LM12UU linear bearing with the reliability and delivery speed CNC shops demand. Send us your requirements, and our technical team can help confirm compatibility with your specific machine model. Preguntas Frecuentes
Q: Are these genuine LM12UU bearings? A: Yes, all our linear bearings are manufactured in-house under strict quality control, with full traceability from raw materials to finished products. Q: How do I confirm if the LM12UU fits my CNC machine? A: Provide your machine model or existing bearing dimensions, and our technical team will verify compatibility at no cost. Q: What is the warranty for the LM12UU bearing? A: We offer a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund. Q: ¿Cuál es la cantidad mínima de pedido?
A: Standard bearings have a 1 piece MOQ, allowing for emergency repairs or small-batch purchases. P: ¿Qué tan rápido pueden enviar?
A: Sample orders ship within 3-5 working days; bulk orders take 5-15 working days depending on quantity. Ready to order or need a quote?
Lm12uu, Lm12uuop, Lm12uuaj, Lm12, Lmf25uu
Size
12×21×30mm
CNC Machine Tools, Automated Production Lines, Precision Machining Centers
Linear Motion Guide Systems, Robotic Arms, Material Handling Equipment
Reduce CNC Downtime with Reliable LM12UU Linear Bearings
Precision-Engineered LM12UU Bearings for CNC Applications
Why Quality Linear Bearings Lower Total Costs
Packaging & Shipping
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