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LM12UU Linear Ball Bearings 12mm Bore 21mm OD 30mm Long for CNC Machine 3D Printer 4pcs
These ball bearing with two rubber dust sealed to prevent ingress of dirt, water and foreign matter.
LM12UU Linear Ball Bearings 12mm Bore 21mm OD 30mm Long for CNC Machine 3D Printer 4pcs
Item #: 137846478

LM12UU Linear Ball Bearings 12mm Bore 21mm OD 30mm Long for CNC Machine 3D Printer 4pcs

Item #: 137846478

INR 1527

Price Details

Price

INR 1527

M.R.P. INR 1527

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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These ball bearing with two rubber dust sealed to prevent ingress of dirt, water and foreign matter.
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What Stands Out

High Precision
Designed for smooth operation, these bearings ensure minimal friction for accurate motion control in CNC machines and 3D printers.
Versatile Compatibility
Perfectly suited for various applications, from DIY projects to industrial machines, enhancing performance in both 3D printing and CNC machining.
Durable Construction
Constructed with high-quality materials, these linear ball bearings offer excellent wear resistance and longevity, providing reliable performance over time.

Product Details

FBT Shop LM12UU Linear Ball Bearings 12mm Bore 21mm OD 30mm Long for CNC Machine 3D Printer 4pcs online at a best price in India. B0BX4L145C
Item Weight0.79 lbs (360 grams)

Who Should Buy?

Suitable For
  • CNC Machinists

    Ideal for CNC machinists needing reliable bearings for smooth movement and precision in machining operations.

  • 3D Printing Enthusiasts

    Perfect for 3D printer users seeking to enhance print quality with low-friction, durable bearings.

  • DIY Projects

    Great for hobbyists undertaking DIY projects requiring affordable yet effective linear motion components.

Not Suitable For
  • Heavy Load Applications

    Not suitable for applications involving heavy loads as these bearings may wear out quickly under stress.

  • High-Speed Machinery

    Not ideal for high-speed machinery where advanced bearings are required to withstand rapid rotations.

  • Outdoor Use

    Not recommended for outdoor applications as environmental exposure may lead to rust or degradation.

Product Description

LM12UU Linear Ball Bearings 12mm Bore 21mm OD 30mm Long for CNC Machine 3D Printer 4pcs

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of LM12UU linear ball bearings?

    Answer: LM12UU linear ball bearings serve the primary function of providing smooth and low-friction motion in linear applications. They are designed to support linear shafts, allowing components to glide seamlessly along their path. This is crucial in CNC machines and 3D printers, where precision and accuracy are paramount. With their robust structure, these bearings minimize wear and enhance the longevity of the machinery by distributing load evenly.
  • Question: What are the dimensions of the LM12UU linear ball bearings?

    Answer: The LM12UU linear ball bearings have a bore size of 12mm, an outer diameter of 21mm, and a length of 30mm. These specifications are standardized to fit various linear rails and ensure compatibility with multiple applications, particularly in hobbyist and professional-grade CNC machines and 3D printers. Knowing these dimensions helps users select the right bearings for their specific projects, ensuring optimal performance.
  • Question: Can I use LM12UU bearings in a 3D printer?

    Answer: Yes, LM12UU bearings are commonly used in 3D printers to facilitate smooth movement of the print head and build platform. Their design allows for minimal axial and radial play, which is essential for maintaining print quality and precision. For instance, when configuring a Cartesian-style 3D printer, these bearings can significantly enhance the reliability of motion systems, allowing for consistent and high-quality prints.
  • Question: What materials are LM12UU bearings made of?

    Answer: LM12UU linear ball bearings are typically constructed from high-quality steel and may feature a plastic or rubber seal. The steel components ensure durability and resistance to deformation, while the seals protect against dust and debris, which can impede operation. This construction makes them suitable for various environments, including workshops and home studios, ensuring reliable performance and longevity in machining applications.
  • Question: How do I install LM12UU bearings correctly?

    Answer: Installing LM12UU linear ball bearings involves fitting them onto a compatible linear rail or shaft. Ensure that the shaft is clean and free of debris before sliding the bearings on. It's essential to check that the bearings align properly with the rail to avoid misalignment issues during operation. This installation technique is vital in applications like CNC machines, where precise movement is critical for achieving desired results.
  • Question: What is the load capacity of LM12UU linear ball bearings?

    Answer: The load capacity of LM12UU linear ball bearings varies depending on their specific design and the conditions of use. Generally, they are capable of handling moderate loads effectively, which makes them suitable for 3D printers and CNC applications where the weights involved are within the bearings' limits. Understanding the load capacity helps users avoid overloading the bearings, thus ensuring smoother operation and a longer operational life.
  • Question: Are LM12UU bearings suitable for high-speed applications?

    Answer: Yes, LM12UU linear ball bearings are designed to handle moderate speeds, making them appropriate for several high-speed applications, such as 3D printers. Their low-friction design minimizes heat build-up and wear, allowing them to perform efficiently during rapid motion. Users rely on these bearings for applications that require both speed and precision, ensuring that projects unfold seamlessly without compromising quality.
  • Question: Can I use LM12UU bearings in custom projects?

    Answer: Absolutely, LM12UU linear ball bearings are versatile components that can be utilized in various custom projects, ranging from DIY CNC machines to unique robotic applications. Their standard dimensions and reliable performance make them a popular choice for engineers and hobbyists looking to innovate. When designing a custom build, it's crucial to consider compatibility with existing parts to ensure seamless integration and functionality.
  • Question: What is the difference between LM12UU and similar bearings?

    Answer: LM12UU bearings differ from similar linear bearings primarily in terms of dimensions and design features. Unlike some other linear bearings, LM12UU bearings have a specific bore size of 12mm, designed for applications requiring precise fits with 12mm shafts. Additionally, the use of high-quality ball bearings within their housing helps reduce friction and increase smooth movement, making them more efficient for tasks that require high precision.
  • Question: Where can I buy LM12UU Linear Ball Bearings 12mm Bore 21mm OD 30mm Long for CNC Machine 3D Printer 4pcs?

    Answer: You can buy LM12UU Linear Ball Bearings 12mm Bore 21mm OD 30mm Long for CNC Machine 3D Printer 4pcs on Ubuy. They offer a variety of components suitable for both CNC machines and 3D printers, ensuring you can find exactly what you need for your projects. Ubuy is a reliable platform that provides comprehensive details, helping you make informed purchasing decisions based on specifications and customer feedback.

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