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Item #:
72344172
Linear Rail SBR12 300mm 2PCS Fully Supported Linear Rail Shaft Rod with 4PCS SBR12UU Blocks Bearing for Automated Machines DIY CNC Routers Lathes
Item #:
72344172
USD 53
Price Details
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*All items will import from US
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Imported from USA store
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Order now and get it around Wednesday, September 02
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Smooth moving, low friction, high rigidity and long life.
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What Stands Out
High Precision
Engineered for smooth motion, the SBR12UU linear bearing ensures high precision in linear applications, making it ideal for machining and 3D printing setups.
Durable Construction
Crafted from aluminum, the bearing blocks provide exceptional durability and minimal wear, outperforming competitors in longevity and reliability for continuous use.
Versatile Compatibility
Designed to fit 12mm linear rails, these open bearing units offer versatile compatibility across various projects, enhancing flexibility for hobbyists and professionals alike.
Product Details
| Country of Origin | This item will be imported from US |
| Date First Available | April 07, 2021 |
| What is in the box | Linear Rail SBR12 300mm... For more details, please check description/product details |
Who Should Buy?
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DIY Enthusiasts
Perfect for hobbyists building custom linear motion systems or machinery requiring smooth movement along rails.
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3D Printing
Useful in 3D printer applications where precision and reliability in linear motion are crucial for quality prints.
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Automation Projects
Ideal for automation engineers designing systems that require linear slide units for motion control or positioning.
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Heavy Loads
Not suitable for applications involving heavy loads where higher strength and durability bearings are needed.
Product Description
Linear Rail SBR12 300mm 2PCS Fully Supported Linear Rail Shaft Rod with 4PCS SBR12UU Blocks Bearing for Automated Machines DIY CNC Routers Lathes Mills
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the inner diameter of the Open Linear Motion Bearing Slide Unit?
Answer: The inner diameter is 12mm (0.47 inches). -
Question:
Can this slide block be used for DIY CNC projects?
Answer: Yes, it is widely used in automation machinery including DIY CNC routers. -
Question:
Is installation difficult for the linear bearing block?
Answer: No, it is easy to install with pre-drilled holes, requiring no maintenance.
CHUANGNENG Linear Motion Guides Editorial Review
Overall, the CHUANGNENG Linear Rail SBR16 1200mm Linear Guide with 2 PCS Linear Guide Rails and 4 PCS SBR16UU Bearing Blocks seems to be a decent product for DIY CNC routers, lathes, and mills. The rail and blocks are well-made, but there are some issues with the bearings. Customers have reported that the bearings are weak and may not hold up well with hard use. Some have even experienced the ball bearings falling out of their plastic race when sliding onto the rail. Additionally, there are scratches around the screw holes and instances of sawdust on the product, indicating a lack of proper quality control. However, there are positive aspects to note. The rails themselves and the blocks that come with the product seem to be of decent quality and should work well, as long as they fit the user's specific needs. The set also offers excellent value for the price, and the customer service is praised for promptly addressing issues and sending replacements when necessary. In conclusion, while the CHUANGNENG Linear Rail SBR16 1200mm Linear Guide has some shortcomings, it can still be a suitable choice for those looking to build their own CNC machines. However, potential buyers should be aware of the potential issues with the bearings and the need for some quality control improvements.
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Pros
- Well-made rail and blocks
- Excellent value for the price
Cons
- Weak bearings
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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USD 53
Order now and get it around Wednesday, September 02
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- High precision linear bearing for superior motion control.
- Easy to install with pre-drilled holes, no maintenance required.
- Durable aluminum alloy housing with anti-rust chrome plating.
- Compatible with SBR12 12mm Linear Guide Rail.
- Ideal for automation machinery and large-scale transmission equipment.
- Economical choice with long-lasting performance.
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