Product Description
Product Description
Linear bearings are bearing elements for translation type motion. As in the case of rotary bearings, a distinction is drawn as to whether the forces occurring are transmitted by means of rolling or sliding elements. Each linear design has particular characteristics that make it especially suitable for particular bearing arrangements.
1. enable high precision linear motion on round shafts
2. sustain heavy loads with low noise and high stiffness
3. perform under almost any environmental conditions and load capacities to satisfy a wide range applications
| Product Name | Good quality and precision 13mm Linear bearing LM13UU |
| Model No. | Linear bearing LM13UU |
| Material | Bearing Steel (Functions much better than canbon steel; and much longer life as well.) |
| Other Model No. |
LM bearing: LM3,LM4UU,LM5UU,LM6UU,LM8UU,LM8S,LM10UU,LM12UU,LM13UU,LM16UU, LM20UU,LM25UU,LM30UU, LM35UU,LM40UU,LM50UU,LM60UU, LM80UU,LM100UU |
| LMB linear bearing: LMB4UU,LMB6UU,LMB8UU,LMB10UU,LMB12UU,LMB16UU,LMB24UU,LMB32UU |
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| LME linear bearing: LME3UU,LME4UU,LME5UU,LME6UU,LME8UU,LME8S,LME10UU,LME12UU, LME13UU, LME16UU,LME20UU,LME25UU,LME30UU,LME35UU,LME40UU,LME50UU,LME60UU, LME80UU,LME100UU |
|
| LM OP Series linear bearing: LM10UU OP, LM12UU OP, LM13UU OP, LM16UU OP, LM20UU OP, LM25UU OP, LM30UU OP, LM35UU OP, LM40UU OP, LM50UU OP, LM60UU OP, LM80UU OP, LM100UU OP | |
| Other Material | Bearing Steel/Carbon Steel |
| Payment | T/T, Paypal, Weston Union, L/C |
| Applications | Linear bearings are widely used in electronic equipment, pull tester and the digital three-dimensional coordinate measuring device, such as precision equipment, as well as multi-axis machine tools, press, tool grinder, automatic gas cutting machine, printer, card sorting machine, food packaging machines and other industrial machinery sliding components. |
| OEM & ODM | We are professional bearing manufacturer. OEM and Customized service is accepted to our R&D department. If you need please show us with your drawing while inquiry. Thank you. |
JlD Linear Bearing Dimensions:
Related Bearings
About Us
HangZhou City CZPT Bearing Co., Ltd. Is a professional manufacturer of linear motion products since 2007. We specialized in producing linear guides, ball screws, linear shafts, linear motion slide units, linear bearings, rod ends bearings, cam follower bearings/Needle roller bearing, precision linear module with good quality and competitive price. For OEM service, the products can be Customized according to customers’ needs for standard or non-standard bearings.
Our Service
Our Quality:
Quality is the life . We use only the best quality material to ensure the standard of our product range is of the highest caliber.
All products we sold out are strictly selected and tested by our QC department.
Warranty:
We provide 1 year warranty for all products.
Payment:
We accept payment via TT (Bank transfer), Paypal,Western Union, and Money Gram.
We accept bank transfer for large orders. For small order, you’d better pay via Paypal,Western union or Money Gram
Shipping:
We offer as many shipping options as possible, including DHL, UPS, TNT, FEDEX and EMS, Airfreight and by Sea.
FAQ
1. Are you factory or trading company?
We are factory with most competitive price and high quality. We are Alibaba Gold Supplier seller since 2011.
2. Customized accepted?
Yes, of course, such as the bearing brand of Japanese, USA, Sweden and so on are available. If that, please send us the drawing of the type with the picture will be most appreciated.
3. Can I get some samples or more discounts?
Yes, just to contact us and we are honored to offer samples to you for checking.
4. How about the time of delivery ?
For the products in stock, it will be sent out in 1-3 days; Or it will be sent out 3-30 days according to the quantity.
5. What’s your products main line?
Since 2007, we specialized in producing all kinds of linear shaft, linear bearing, flange bearing, ball screw, linear CZPT way, linear motion ball bearing, needle roller bearing, etc.
6. How can I get a quotation?
Normally, we will quote within 24 hours. If you are in urgent, please give a call or let us know in your email with the details.
We need information bellow:
1.The Model Number/ the detail drawing of non-standard bearing;
2.Quantity;
3.Material;
4.Surface treatment;
5.Any special packing or other requirements.
Our Main Products
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| Function: | Ordinary |
|---|---|
| Flange Shape: | None |
| Shape: | Straight |
| Series: | LM |
| Material: | Bearing Steel |
| Type: | Universal |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Signs of Wear or Damage in Linear Bearings and Maintenance
Identifying signs of wear or damage in linear bearings is essential for maintaining their performance and preventing costly failures. Here are common signs of wear and damage and how to address them:
- 1. Increased Friction:
If you notice increased resistance during linear motion, it could indicate that the bearing components are wearing out. This can lead to reduced efficiency and accuracy.
- Solution: Regular Lubrication:
Ensure proper lubrication of the bearings to minimize friction and prevent premature wear. Follow manufacturer recommendations for lubrication intervals and types.
- 2. Uneven Movement:
If the linear motion becomes uneven, jerky, or experiences sudden stops, it may be due to damaged bearing components.
- Solution: Inspection and Replacement:
Inspect the bearings and associated components for any signs of damage, such as dents or cracks. Replace any damaged parts to restore smooth motion.
- 3. Abnormal Noise:
Unusual noises during linear motion, such as grinding or clicking sounds, can indicate friction and wear within the bearings.
- Solution: Lubrication and Inspection:
Lubricate the bearings as recommended and inspect for any foreign particles or debris that might be causing the noise. Clean and replace components if necessary.
- 4. Increased Play or Clearance:
If there is noticeable play or excessive clearance in the linear system, it can affect precision and lead to inaccuracies.
- Solution: Adjustment or Replacement:
Check for loose bolts, misalignment, or worn components causing the play. Make necessary adjustments or replace worn parts to restore proper fit and function.
- 5. Reduced Performance:
If your linear system is no longer achieving the desired accuracy or performance, it could be due to worn bearings.
- Solution: Maintenance and Replacement:
Regularly perform maintenance tasks, such as cleaning, lubrication, and inspection. If performance does not improve, consider replacing the bearings with new ones.
- 6. Visible Damage:
Any visible signs of physical damage, such as deformation, corrosion, or cracks, require immediate attention.
- Solution: Replacement:
If the damage is severe, replace the damaged bearings promptly to avoid further issues.
Regular maintenance practices, including proper lubrication, cleaning, and inspection, are crucial for preventing wear and damage in linear bearings. Addressing any signs of wear early can extend the lifespan of the bearings and ensure consistent performance in various applications.

Enhancing 3D Printers and Additive Manufacturing with Linear Bearings
Linear bearings play a crucial role in the efficient and precise operation of 3D printers and additive manufacturing processes. Here’s how they contribute to these technologies:
- Precise Motion Control:
Linear bearings provide smooth and accurate linear motion control, ensuring precise positioning of the print head or build platform. This precision is essential for creating intricate and detailed 3D printed objects.
- High Repeatability:
Linear bearings offer high repeatability, enabling the printer to consistently recreate complex geometries layer by layer. This is crucial for producing parts with consistent quality and dimensions.
- Reduced Vibration and Wobble:
The smooth motion provided by linear bearings minimizes vibrations and wobbling during printing, leading to smoother surface finishes and improved print quality.
- High-Speed Printing:
Linear bearings can handle high speeds, allowing 3D printers to operate at faster print speeds without sacrificing accuracy. This is beneficial for reducing overall print time.
- Compact Design:
Many linear bearings have a compact and space-efficient design, which is important for fitting within the confined spaces of 3D printers while maintaining the required range of motion.
- Low Friction and Wear:
Linear bearings are designed to minimize friction and wear, leading to longer lifespan and reduced maintenance requirements. This is especially important in additive manufacturing where continuous operation is desired.
- Smooth Layer-by-Layer Building:
In additive manufacturing, linear bearings enable precise movement of the build platform or print head, ensuring that each layer is accurately aligned and built upon the previous layer.
- Complex Geometries:
Linear bearings enable 3D printers to create complex and intricate geometries that require precise control over the movement of the print head and build platform.
Overall, linear bearings contribute to the success of 3D printing and additive manufacturing by providing the necessary motion control, precision, and reliability needed to create high-quality and intricate 3D printed objects.

Design Principles and Functionalities of Linear Bearings
Linear bearings are designed with specific principles to facilitate controlled linear motion along a single axis. These design principles contribute to their functionalities, making them essential components in various applications:
- Rolling Elements:
Linear bearings typically feature rolling elements, such as balls or rollers, that move along a track or rail. These rolling elements reduce friction and enable smooth linear motion.
- Guiding Mechanism:
Linear bearings incorporate a guiding mechanism to constrain the motion to a single axis. This guiding mechanism ensures that the linear bearing moves precisely along the desired path.
- Load Distribution:
The design of linear bearings allows for effective distribution of loads, both in the radial and axial directions. This load distribution ensures stability and prevents excessive stress on individual components.
- Rail or Track:
Linear bearings typically run along a rail or track that provides a smooth and accurate path for the rolling elements. The rail is designed to resist wear and maintain its precision over time.
- Cage or Carriage:
Linear bearings use a cage or carriage to house the rolling elements and maintain their proper spacing. This arrangement ensures even load distribution and smooth movement.
- Sealing and Lubrication:
Linear bearings often incorporate sealing mechanisms to protect the rolling elements from contaminants and to retain lubrication. Proper lubrication ensures smooth motion and extends the bearing’s lifespan.
- Mounting Options:
Linear bearings are designed to be mounted in various ways, depending on the application’s requirements. Mounting options include flange-mounted, base-mounted, or end-supported configurations.
- Adjustability:
Many linear bearings are designed with provisions for adjustment, allowing users to fine-tune the preload or clearance to optimize performance and minimize play.
- Materials:
Linear bearings are constructed from materials that offer high wear resistance, durability, and corrosion resistance. Common materials include steel, stainless steel, and various engineering plastics.
- Accessories:
Accessories such as end caps, seals, and lubrication systems can enhance the functionality and lifespan of linear bearings by providing protection and ensuring proper maintenance.
Functionalities of linear bearings include providing precise linear motion, guiding components along a defined path, minimizing friction, distributing loads, and maintaining stability. The design principles ensure reliable operation and make linear bearings indispensable in applications requiring controlled and accurate linear motion.


editor by CX 2024-02-19