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Item #:
109347853
uxcell LM3UU Linear Ball Bearings 3mm Bore 7mm OD 10mm Length for CNC Machine 3D Printer 2pcs
Item #:
109347853
AUD 22
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Linear motion bearings provide freedom of movement in a single direction with high precision and very little frictional resistance.
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What Stands Out
High Precision
These linear ball bearings ensure precise movement and minimal friction, enhancing the performance of CNC machines and 3D printers for smooth and accurate operations.
Durable Design
Constructed with high-quality materials, the LM4UU bearings are built to withstand rigorous use, providing long-lasting reliability and reduced maintenance costs.
Easy Installation
With a 4mm bore and flush design, these bearings allow for quick and hassle-free installation in various applications, making them user-friendly for hobbyists and professionals alike.
Product Details
| Brand Name | uxcell |
| Bearing Number | LM3UU |
| Bearing Type | Ball Bearing |
| Part Number | a17052300ux0069 |
| Manufacturer | uxcell |
| Model | a17052300ux0069 |
| Item Weight | 6 Grams |
| Outside Diameter | 7 Millimeters |
| Material Type | Alloy Steel, Rubber |
| Compatible Lubricant | Grease |
| Brand | uxcell |
| Material | Alloy Steel, Rubber |
| Package Weight | 1 Pound (450 grams) |
Who Should Buy?
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3D Printing Enthusiasts
Ideal for makers and hobbyists seeking smooth linear motion in their 3D printing projects.
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CNC Machine Users
Greatly benefits CNC machine operators requiring precision and low friction bearings for their applications.
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Small Scale Projects
Perfect for DIY projects that require compact and efficient linear motion solutions in limited space.
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Heavy Load Applications
Not suitable for projects requiring heavy load support, as they may wear down quickly.
Product Description
uxcell LM3UU Linear Ball Bearings 3mm Bore 7mm OD 10mm Length for CNC Machine 3D Printer 2pcs
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What are the dimensions of the uxcell LM3UU linear ball bearings?
Answer: The uxcell LM3UU linear ball bearings have a bore diameter of 3mm, an outer diameter of 7mm, and a length of 10mm. These specific measurements make them ideal for applications that require compact and efficient linear motion, such as in CNC machines and 3D printers. Choosing the right dimensions ensures compatibility with your machinery, providing seamless operation and improved performance. -
Question:
How do I install the uxcell LM3UU linear ball bearings?
Answer: Installing the uxcell LM3UU linear ball bearings involves first securing the bearing housing in place. Insert the bearing into the designated rail or housing, ensuring that it is oriented correctly. Tighten any securing screws to prevent movement during operation. This installation method enhances stability and ensures smooth linear motion in your CNC machines or 3D printers, making it essential for efficient functionality in your projects. -
Question:
What materials are the uxcell LM3UU linear ball bearings made from?
Answer: The uxcell LM3UU linear ball bearings are typically constructed from high-quality steel with a chrome plating, which offers enhanced durability and resistance to wear. The ball retainer is often made from a strong resin, which reduces friction and improves performance. This combination of materials is designed to withstand demanding applications, ensuring that your CNC machines and 3D printers operate smoothly over time. -
Question:
In which applications can I use the uxcell LM3UU linear ball bearings?
Answer: The uxcell LM3UU linear ball bearings are versatile components ideal for various applications, particularly in CNC machines and 3D printers. They provide reliable linear motion in systems where precision and smooth movement are critical. Additionally, they can be used in robotics, automated equipment, and even small DIY projects, making them suitable for hobbyists and professionals alike who require high-performance bearings. -
Question:
What is the load capacity of the uxcell LM3UU linear ball bearings?
Answer: The uxcell LM3UU linear ball bearings can handle moderate loads, typically suitable for light to medium-duty applications. While the exact load capacity may vary based on specific usage conditions, they are designed to provide stable support in CNC machines and 3D printers. It’s crucial to assess your specific project requirements to ensure that these bearings can handle the necessary loads effectively. -
Question:
Do the uxcell LM3UU linear ball bearings require lubrication?
Answer: Yes, the uxcell LM3UU linear ball bearings benefit from proper lubrication to ensure optimal performance. While they are designed for reduced friction, a small amount of lubricant can significantly enhance their smooth operation and extend their lifespan. Regularly applying the appropriate grease or oil can help maintain efficiency in applications like CNC machining and 3D printing, where continuous operation is common. -
Question:
Can I use uxcell LM3UU linear ball bearings in a 3D printer?
Answer: Absolutely, the uxcell LM3UU linear ball bearings are perfect for 3D printers. They offer precise and smooth movement along the printed axes, which is essential for accurate layer deposition. Using these bearings in your 3D printer will help improve printing quality and reduce clogs or jams associated with poor movement, ensuring that your prints come out as intended. -
Question:
Are the uxcell LM3UU linear ball bearings rust-resistant?
Answer: The uxcell LM3UU linear ball bearings often feature chrome plating, which provides a degree of rust resistance. This makes them suitable for a variety of environments, including those with moisture. However, it’s recommended to protect them from extreme conditions and maintain regular lubrication to further enhance their rust resistance, especially in applications requiring consistent operation in humid settings. -
Question:
Where can I buy uxcell LM3UU Linear Ball Bearings in Australia?
Answer: You can purchase the uxcell LM3UU Linear Ball Bearings from Ubuy in Australia. Ubuy offers a wide selection of high-quality ball bearings, including this specific model, ensuring that you can find the right components for your CNC machines or 3D printers conveniently and efficiently. -
Question:
What is the advantage of using linear ball bearings like the uxcell LM3UU?
Answer: The primary advantage of using linear ball bearings like the uxcell LM3UU is their ability to provide smooth, frictionless motion along a linear path. This leads to improved precision and accuracy in applications such as CNC machining and 3D printing. The design of these bearings minimizes wear and tear on both the bearing and the rail, ensuring longer operational life and reducing maintenance needs in your machinery.
uxcell Linear Ball Bearings Editorial Review
The uxcell LM4UU Linear Ball Bearings have garnered a mixed reception among users, particularly in contexts such as CNC machining and 3D printing applications. While some customers have found success with these bearings in their projects, others have experienced significant issues that hinder their performance. On the positive side, certain users report satisfactory performance when utilizing these bearings in specific 3D printing setups. For instance, one user successfully integrated the uxcell LM4UU bearings in an animatronic project, stating that they worked well for controlling eyelids with servos. This suggests that when functioning as intended, the bearings can provide functional support in precise tasks, especially in hobbyist settings. Conversely, there are prevalent critiques regarding the bearings' Consistency in performance. Multiple users have described a frustrating level of play and binding, indicating that the bearings do not always glide smoothly along their shafts and can even scratch them. Many report that the internal balls can become stuck, further obstructing their efficiency. This lack of reliability may deter users who need Consistent performance, especially in precision-demanding environments like CNC machines. Overall, the customer experience with uxcell LM4UU Linear Ball Bearings ranges from commendation for specific uses to severe disappointment due to quality control issues, leading to an overall image of unpredictability in their performance. **
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Pros
- Effective in certain 3D printing and animatronic applications.
- Some users report satisfactory performance when functioning correctly.
Cons
- Internal balls often get stuck, leading to rough operation.
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“Promt delivery. Seems like a good product.”
22 July 2026 · via Trustpilot
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“Very impressed with the speed at which I received my package from the United States to Australia. Highly recommended.”
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“Very efficient service. Hassle-free. Excellent product. Have ordered several times.”
17-Jul-26 · via Trustpilot
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Features & Benefits
- Offers smooth movement with high precision.
- Designed for use with cylindrical shafts or rails.
- Recommended load is 80% of rated load for optimal performance.
- Ideal for applications in 3D printers and mechanical slides.
- Two rubber dust seals protect against dirt and moisture.
- User-friendly maintenance ensures longevity and efficiency.
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