Product Description
OJUM—50 3D Printer Polymer Bushing Bearing Oilless Open Anodized Aluminum Adapter Plastic Linear Plain Bearing
Product Description
- The bearing shell is made of anodized aluminum, and the sliding film is made of J series wear-resistant materials.
- It is corrosion resistant, dustproof, quiet, no shaft damage, clean and maintenance-free.
- Because of its excellent lubrication-free characteristics, it is widely used in high-demand occasions, effectively avoiding the pollution of traditional lubricants in the production process.
| Product Name | Engineering Plastic Linear Bearing |
|
Type |
Linear |
| Model Number | OJUM—50 |
| Brand Name | OEM |
| Color | Yellow,Black |
| Application | Manufacturing Plant,CNC machine .etc |
| Material | Anodized Aluminum and engineering Plastic |
| Place of Origin | HangZhou, China |
| Size | Dimensionally interchangeable with linear ball bearings LME Series |
| Sample | Available |
OJUM-01-10
OJUM-01-12
OJUM-01-16
OJUM-01-20
OJUM-01-25
OJUM-01-30
OJUM-01-40
OJUM-01-50
Special features:
Open, anodized aluminum adapter for supported shafts
Dimensionally interchangeable with recirculating ball bearings
Equipped with JUM0 liner made from iglide J
Recommended housing bore H7
Bearing secured with set screws (not included in delivery)
Detailed Photos
Product Parameters
| Part No. | d1 | d2 | B | W | Weight/g |
| OJUM-01-10 | 10 | 19 | 29 | 7.3 | 11 |
| OJUM-01-12 | 12 | 22 | 32 | 9 | 15 |
| OJUM-01-16 | 16 | 26 | 36 | 11.6 | 21 |
| OJUM-01-20 | 20 | 32 | 45 | 12 | 42 |
| OJUM-01-25 | 25 | 40 | 58 | 14.5 | 70 |
| OJUM-01-30 | 30 | 47 | 68 | 16.6 | 132 |
| OJUM-01-40 | 40 | 62 | 80 | 21 | 278 |
| OJUM-01-50 | 50 | 75 | 100 | 25.5 | 479 |
Certifications
Packaging & Shipping
Company Profile
FAQ
Buyer Feedback
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Feature: | High Speed |
|---|---|
| Function: | Super |
| Flange Shape: | Oval |
| Shape: | Straight |
| Series: | LM |
| Material: | Plastic |
| Samples: |
US$ 3/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Differences between Open-Type and Closed-Type Linear Bearings
Open-type and closed-type linear bearings are two common variations used in linear motion systems, each with its own advantages and considerations:
- 1. Open-Type Linear Bearings:
Open-type linear bearings, as the name suggests, have an open design that allows easy access to the bearing’s rolling elements and raceways. These bearings are characterized by:
- Quick Maintenance: Open-type bearings are easier to clean, lubricate, and inspect due to their open structure, making maintenance more convenient.
- Increased Contamination Risk: Because they are exposed, open-type bearings are more susceptible to dust, debris, and contamination, which can affect their performance and lifespan.
- 2. Closed-Type Linear Bearings:
Closed-type linear bearings are enclosed within a housing or carriage that provides protection from external elements. These bearings offer the following features:
- Enhanced Contamination Protection: Closed-type bearings are less vulnerable to contaminants and offer improved protection against dust, dirt, and debris, leading to longer service life.
- Reduced Accessibility: Maintenance and inspection of closed-type bearings might be more complex due to the need to disassemble the housing or carriage for access.
- Reduced Noise: The enclosed design of closed-type bearings can contribute to reduced noise levels, which is advantageous in noise-sensitive applications.
Choosing between open-type and closed-type linear bearings depends on the specific requirements of the application. If easy maintenance and accessibility are crucial, open-type bearings might be preferred. On the other hand, closed-type bearings offer better protection against contaminants and reduced noise, making them suitable for environments where cleanliness and quiet operation are essential.
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.
Common Applications and Industries for Linear Bearings
Linear bearings find widespread use in a variety of applications and industries due to their ability to provide controlled linear motion. Some common applications and industries where linear bearings are essential components include:
- Industrial Automation:
Linear bearings are used in automated machinery and equipment to enable precise and repeatable movement of components. They play a critical role in assembly lines, material handling systems, and robotics.
- CNC Machinery:
In computer numerical control (CNC) machines, linear bearings facilitate accurate movement of the cutting tool or workpiece. They contribute to the precision and quality of machining operations.
- Medical Devices:
Linear bearings are crucial in medical equipment such as MRI machines, CT scanners, and robotic surgical systems. Their precision and smooth motion are vital for accurate medical procedures.
- Packaging Machinery:
In packaging and labeling machines, linear bearings ensure precise movement of containers, products, and labeling mechanisms. This results in consistent and reliable packaging processes.
- Printing Industry:
Linear bearings are used in printing presses to ensure precise movement of print heads, paper feed mechanisms, and other critical components. This helps achieve accurate printing results.
- Textile Machinery:
In textile manufacturing, linear bearings contribute to the smooth operation of spinning machines, looms, and fabric handling systems. They help maintain proper tension and alignment of materials.
- Aerospace and Defense:
Linear bearings are utilized in aerospace applications such as aircraft actuators, landing gear systems, and satellite mechanisms. They withstand harsh conditions and provide reliable motion control.
- Material Handling:
In conveyor systems and material handling equipment, linear bearings facilitate the movement of goods along production lines, warehouses, and distribution centers.
- Automotive Industry:
Linear bearings are used in automotive manufacturing for tasks like seat adjustments, sunroof operation, and door mechanisms. Their precision enhances passenger comfort.
- Scientific Research:
In laboratory equipment and scientific instruments, linear bearings contribute to accurate positioning of samples, sensors, and analytical components.
These are just a few examples of the diverse applications and industries where linear bearings are essential. Their ability to provide controlled and reliable linear motion makes them indispensable in achieving precision, efficiency, and performance across various sectors.
editor by CX 2024-05-10
China best High Precision 3D Printer Parts Needle Roller Linear Bearing Lm6uu for Slide Motion Shaft 3D Printer & Glove Knitting Machine Linear Bearing with Great quality
Product Description
PRODUCTS CATALOGUE
|
Bearing Code |
Internal Diameter(mm) |
External Diameter(mm) |
Length |
Weight |
|
(mm) |
(KG) |
|||
|
LM6UU |
6 |
12 |
19 |
0.007 |
|
LM8UU |
8 |
15 |
24 |
0.015 |
|
LM10UU |
10 |
19 |
29 |
0.03 |
|
LM12UU |
12 |
21 |
30 |
0.032 |
|
LM13UU |
13 |
23 |
32 |
0.043 |
|
LM16UU |
16 |
28 |
37 |
0.069 |
|
LM20UU |
20 |
32 |
42 |
0.087 |
|
LM25UU |
25 |
40 |
59 |
0.571 |
|
LM30UU |
30 |
45 |
64 |
0.25 |
|
LM35UU |
35 |
52 |
70 |
0.39 |
|
LM40UU |
40 |
60 |
80 |
0.58 |
|
LM50UU |
50 |
75 |
100 |
1.58 |
|
LM60UU |
60 |
90 |
110 |
1.86 |
|
LM80UU |
80 |
120 |
140 |
4.42 |
APPLICATIONS
OUR WORKSHOP
OUR FACTORY
PACKAGE
WAY OF DELIVERY
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Feature: | Corrosion Resistant, High Temperature, High Speed |
|---|---|
| Function: | Ordinary |
| Flange Shape: | Without Flanged |
| Samples: |
US$ 3/Set
1 Set(Min.Order) | Order Sample |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
Considerations for Selecting the Right Type and Size of Linear Bearing
Choosing the appropriate type and size of linear bearing requires careful consideration of various factors to ensure optimal performance and compatibility with the application. Here are important considerations to keep in mind:
- 1. Load Capacity:
Determine the maximum load the linear bearing will need to support. Consider both static and dynamic loads to select a bearing that can handle the expected weight and forces.
- 2. Speed and Acceleration:
Assess the required speed and acceleration of the linear motion. Different linear bearing types have different speed limitations, so choose one that can accommodate the desired motion profile.
- 3. Precision and Accuracy:
If your application requires precise positioning, choose linear bearings that offer high accuracy and repeatability. Linear ball bearings are known for their precision, while linear roller bearings offer higher load capacity.
- 4. Environment:
Consider the operating environment, including temperature, humidity, dust, and potential exposure to chemicals. Select linear bearings that are designed to withstand the specific environmental conditions.
- 5. Rail or Shaft Compatibility:
Ensure that the chosen linear bearing is compatible with the rail or shaft you intend to use. Proper fit and alignment are crucial for smooth motion and long bearing life.
- 6. Space Constraints:
If your application has limited space, choose compact linear bearings that can fit within the available area without compromising performance.
- 7. Maintenance Requirements:
Consider the level of maintenance your application can accommodate. Some linear bearings are self-lubricating, reducing the need for frequent maintenance.
- 8. Noise Level:
For noise-sensitive environments, opt for linear bearings that provide quiet operation to avoid disruptions caused by excessive noise.
- 9. Mounting Options:
Consider how the linear bearing will be mounted and integrated into your system. Different bearings may require specific mounting configurations.
- 10. Cost and Budget:
Balance the desired features and performance with your budget constraints. While high-performance linear bearings may offer advanced features, they can also come at a higher cost.
By carefully evaluating these factors, you can choose the most suitable type and size of linear bearing for your specific application. Consulting with bearing manufacturers and engineers can also provide valuable insights to ensure the optimal selection.
Recent Advancements in Linear Bearing Technology
Recent years have seen significant advancements in linear bearing technology, leading to improved performance, reliability, and versatility. Some notable developments include:
- Nanotechnology: The integration of nanotechnology has allowed for the development of ultra-precision linear bearings with nanometer-scale accuracy. These bearings are ideal for applications requiring extremely fine movement and positioning.
- Smart Bearings: Advances in sensor technology have enabled the creation of smart linear bearings that can monitor parameters like temperature, load, and vibration in real time. This data helps in predictive maintenance and optimizing operational efficiency.
- Materials Innovation: New materials with enhanced properties, such as self-lubricating and corrosion-resistant coatings, have extended the lifespan of linear bearings and reduced the need for frequent lubrication and maintenance.
- Compact Designs: Manufacturers are designing more compact linear bearings to suit space-constrained applications while maintaining high load capacity and precision.
- Environmental Sustainability: There’s a growing emphasis on developing linear bearings with reduced environmental impact, including using eco-friendly materials and designs that require less energy to operate.
- Integration of IoT: Linear bearings are being integrated into the Internet of Things (IoT) networks, allowing them to communicate with other equipment and systems for seamless automation and optimization.
- Magnetic Levitation Bearings: Magnetic levitation (maglev) technology is being applied to linear bearings to create frictionless movement, reducing wear and enabling smoother and more precise motion.
- Advanced Coatings: Coatings with enhanced wear resistance, low friction, and improved thermal properties are being applied to linear bearings, extending their service life in challenging environments.
These advancements have contributed to the expanding range of applications where linear bearings can be used, from aerospace and automotive industries to medical devices and consumer electronics. As technology continues to evolve, linear bearings will play a crucial role in enabling more efficient and precise motion control across various sectors.
Advantages of Linear Bearings over Other Bearing Types
Linear bearings offer several distinct advantages when compared to other types of bearings, particularly in applications that require controlled linear motion. These benefits contribute to their widespread use across various industries:
- Precise Linear Motion:
Linear bearings are designed specifically for linear motion, providing accurate and controlled movement along a defined path. This precision is essential in applications that demand accurate positioning and repeatability.
- Low Friction:
Linear bearings are designed to minimize friction during motion. The reduced friction translates to smoother movement, reduced wear, and improved efficiency, making them suitable for applications requiring consistent motion.
- High Load Capacity:
Linear bearings can handle significant loads in both radial and axial directions. This capability allows them to support heavy components and maintain stability under various loads.
- Minimal Maintenance:
Due to their design and minimal contact between moving parts, linear bearings require less maintenance compared to other types of bearings. This is particularly advantageous in hard-to-reach or inaccessible areas.
- Guided Motion:
Linear bearings provide guided and constrained motion along a single axis. This guidance eliminates the need for complex guiding mechanisms, reducing design complexity and simplifying assembly.
- Compact Design:
Linear bearings have a compact form factor, making them suitable for applications with limited space. Their small footprint allows for efficient use of available area.
- Low Noise and Vibration:
Linear bearings generate minimal noise and vibration during operation, contributing to quieter and more comfortable working environments in applications such as medical devices and precision machinery.
- Smooth Movement:
Linear bearings offer smooth and consistent movement, essential for applications requiring continuous and controlled motion, such as robotic systems and conveyor belts.
- Customization:
Linear bearings can be designed to fit specific application requirements, including load capacity, travel distance, and environmental conditions. This customization enhances their suitability for diverse applications.
- Reduced Wear:
The low friction and guided motion of linear bearings result in reduced wear on both the bearing and the mating surface, leading to longer service life and reduced maintenance costs.
Overall, the benefits of using linear bearings make them a preferred choice in applications that demand accurate linear motion, efficient load handling, and reduced maintenance. Their ability to deliver precision, stability, and reliability contributes to improved performance across various industries.
editor by CX 2024-05-08
China Custom Good Price High Quality Linear Bearing Lm8 for 3D Printer double row ball bearing
Product Description
Company Introduction:
UP GOLD Automation Technology Co., LTD., independent brand, NYZ and UP. The main products are linear CZPT rail, slider, ball screw, linear optical shaft, linear bearing, machine tool spindle special P4 high precision bearings and accessories, with advanced production equipment and testing instruments to ensure the accuracy of each product. Precision products will provide higher value to the equipment. The company promises to sell each product, warranty period of 24 months, 24 hours after-sales service. Provide professional OEM cooperation model. At the same time, the company agents international first-line brands HIWIN, TBI, NSK,THK. Sufficient resources to ensure every customer needs.
Product Display:
Products Description:
| Product Name | Linear Bearing LM8 |
| Feature | 1. High quality |
| 2. .High rigidity | |
| 3. High power | |
| 4. Interchangeability | |
| 5. Reversibility | |
| Precision | High Precision |
| Material | Chrome Steel GCr15 |
| Delivery Time | 1) 1-5 Workdays for Samples or in Stock |
| 2) 10-30 Working Days for Ordering |
Mode of transportation:
Product packaging:
FAQ:
| Q: What is the producing process? |
| A: Production process including raw material cutting, machine processing,grinding, accessories cleaning, assemble, cleaning, oil coating,cover pressing, testing, package. |
| Q: How to control the products quality? |
| A: Combining advanced equipment and strict management, we provide high standard and quality bearings for our customers all over the world. |
| Q: What is the transportation? |
| A: If small quantity, we suggest to send by express, such as DHL, UPS,TNT FEDEX. If large amount, by air or sea shipping. |
| Q: How about the shipping charge? |
| A: We will be free of domestic shipping charge from your freight forwarder in China. |
| Q: Can you provide OEM service? |
| A: Yes, we provide OEM service. Which means size, quantity, design,packing solution, etc will depend on your requests; and your logo will be customized on our products. |
| Q: Could you tell me the delivery time of your goods? |
| A: Generally it is 3-5 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to the quantity. |
| Q: What about the packaging of your products? |
| A: Normally we use standard commercial package, we also have our own brand packing or customized package as per customers’ requests. |
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Precision Machine Tool |
|---|---|
| Material: | Steel |
| Structure: | Semiconductor Machinery |
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
Contribution of Linear Bearings to CNC Machining Efficiency and Accuracy
Linear bearings play a crucial role in enhancing the efficiency and accuracy of Computer Numerical Control (CNC) machining processes. Here’s how they contribute:
- 1. Enhanced Precision:
Linear bearings provide smooth and precise linear motion along machine axes. This precision is essential for achieving tight tolerances and accurate dimensions in machined parts.
- 2. Reduced Friction and Wear:
Low friction in linear bearings minimizes energy loss and heat generation during movement. This reduces wear on the components and extends the lifespan of the machine, resulting in consistent performance over time.
- 3. Smooth Motion Control:
Linear bearings enable controlled and predictable motion, allowing CNC machines to execute complex tool paths with smooth transitions. This is crucial for producing intricate shapes and achieving high-quality surface finishes.
- 4. Minimized Vibration and Noise:
The smooth operation of linear bearings reduces vibration and noise levels during machining. This is especially important for maintaining a stable machining environment and producing parts with minimal surface imperfections.
- 5. Rapid Traverse Speeds:
Linear bearings facilitate rapid movements of machine components between machining operations. This increases the efficiency of the machining process, reducing cycle times and increasing overall productivity.
- 6. High Acceleration and Deceleration:
Linear bearings allow CNC machines to accelerate and decelerate rapidly without sacrificing precision. This capability is advantageous for optimizing machining time while maintaining accuracy.
- 7. Improved Repeatability:
Linear bearings ensure consistent and repeatable motion, resulting in parts that match design specifications precisely across multiple production runs.
- 8. Flexibility in Design:
Linear bearings enable the design of compact and space-efficient CNC machines. Their small footprint allows for more efficient use of manufacturing floor space.
In summary, linear bearings significantly enhance CNC machining by providing accurate, smooth, and controlled motion. This translates into higher precision, reduced wear, improved surface finishes, and increased productivity. Whether it’s milling, turning, or other CNC processes, linear bearings are essential for achieving the level of accuracy and efficiency demanded by modern manufacturing.
Contribution of Linear Bearings to Smooth Movement of Conveyors and Slides
Linear bearings play a crucial role in ensuring the smooth movement and operation of industrial conveyors and linear slides. Their contributions are as follows:
- Reduced Friction:
Linear bearings are designed to minimize friction between moving components, facilitating smooth motion of conveyors and linear slides. This reduces wear and tear, energy consumption, and the need for frequent maintenance.
- Precision Movement:
Linear bearings enable precise positioning and controlled movement. This precision is vital for conveyors and slides that require accurate placement of materials, products, or components.
- Stability and Load Distribution:
Linear bearings distribute loads evenly across the bearing surface, enhancing stability and preventing uneven wear. This is especially important for conveyors that handle varying loads and linear slides that support heavy components.
- Quiet and Vibration-Free Operation:
Linear bearings contribute to quiet and vibration-free operation. This is crucial in environments where noise reduction and minimal vibrations are essential for the comfort of operators and the integrity of products.
- Efficient Energy Transfer:
Linear bearings ensure efficient energy transfer by reducing energy losses due to friction. This efficiency is particularly beneficial in systems where multiple conveyors or slides are connected, improving overall system performance.
- Longevity and Reliability:
Linear bearings enhance the longevity and reliability of conveyors and slides by reducing wear on moving parts. This results in extended operational lifespans and reduced downtime for maintenance.
- Flexibility and Customization:
Linear bearings come in various designs and sizes, allowing for customization to suit specific conveyor or slide requirements. This adaptability is valuable for accommodating different loads and motion profiles.
- Wide Range of Industries:
Linear bearings find application in industries such as manufacturing, logistics, packaging, and material handling, where conveyors and linear slides are essential components of the workflow.
In summary, linear bearings contribute significantly to the efficient, precise, and reliable movement of industrial conveyors and linear slides. Their ability to reduce friction, ensure stability, and support heavy loads enhances the overall performance of these systems.
Examples of Crucial Motion Control Scenarios Using Linear Bearings
Linear bearings are crucial for achieving precise motion control in various scenarios where accuracy, repeatability, and smooth movement are essential. Here are some examples:
- 1. CNC Machining:
In computer numerical control (CNC) machines, linear bearings enable precise movement of the cutting tool or workpiece along multiple axes. This accuracy is necessary to produce complex and intricate parts with tight tolerances.
- 2. Semiconductor Manufacturing:
In semiconductor fabrication equipment, linear bearings control the movement of wafers, masks, and other components with micron-level precision. This precision is vital for creating tiny circuits and microchips.
- 3. 3D Printing:
In 3D printers, linear bearings ensure accurate positioning of the print head and build platform. This accuracy is crucial for creating intricate and detailed 3D-printed objects.
- 4. Laser Cutting and Engraving:
Linear bearings are used in laser cutting and engraving machines to control the movement of the laser head. Precise motion ensures accurate cutting and engraving on various materials.
- 5. Microscopy:
In microscopy applications, linear bearings enable precise positioning of microscope stages and objectives. This accuracy is essential for capturing detailed images and conducting precise measurements.
- 6. Metrology and Inspection:
Linear bearings are crucial in metrology and inspection equipment for accurately measuring and inspecting parts. This ensures compliance with quality standards and specifications.
- 7. Optical Systems:
In optical systems, linear bearings control the movement of lenses, mirrors, and other optical components. Precise motion is essential for maintaining accurate focus and alignment.
- 8. Coordinate Measuring Machines (CMMs):
Linear bearings in CMMs allow accurate measurement of parts’ dimensions and geometries. Precise motion ensures reliable measurement results.
- 9. Aerospace and Defense Testing:
In aerospace and defense industries, linear bearings are used in testing equipment to simulate various conditions. Accurate motion control is crucial for testing components’ performance and durability.
These examples highlight the critical role of linear bearings in achieving precise motion control across industries. Whether in manufacturing, research, or testing, linear bearings ensure accurate and repeatable movement for optimal results.
editor by CX 2024-04-23
China wholesaler 3D Printer Lm Lme Lmblmf Bearing Slide Lmk/Lmef Series Linear Bearing carrier bearing
Product Description
Product Description
Specifications
Linear bearings Lm 35uu
1.Color:silver
2.Linear bearing material:bearing steel Gcr15
3.Applied in:mechanic
4.Smooth movement,low friction,high rigidity and long life
5.We can make non-standard linear bearing according to clients samples of drawing.
6.prompt delivery
7.we supply OEM service.
8.Nice appearance,complete product system.
Linear bearing specifications
“LM” metric standard type linear bearing
“LME” means inch standard type linear bearing
“UU” rubber seals on the both sides of the long type linear bearing
“OP” means open type linear bearing
“AJ” means adjustment type linear bearing
*LM…UU: LM…(sylinder), LM…OP(open type), LM…AJ(clearance adustable)
*LME…UU: LME…(sylinder), LME…OP(open type), LME…AJ(clearance adustable), LM…UU & LME…UU: Long type
*KH: High-precision mini bearing
Image Details:
Items Details
| LM6UU | LM6UU-OP | LM6UU-AJ |
| LM8UU | LM8UU-OP | LM8UU-AJ |
| LM10UU | LM10UU-OP | LM10UU-AJ |
| LM12UU | LM12UU-OP | LM12UU-AJ |
| LM13UU | LM13UU-OP | LM13UU-AJ |
| LM16UU | LM16UU-OP | LM16UU-AJ |
| LM20UU | LM20UU-OP | LM20UU-AJ |
| LM25UU | LM25UU-OP | LM25UU-AJ |
| LM30UU | LM30UU-OP | LM30UU-AJ |
| LM35UU | LM35UU-OP | LM35UU-AJ |
| LM40UU | LM40UU-OP | LM40UU-AJ |
| LM50UU | LM50UU-OP | LM50UU-AJ |
| LM60UU | LM60UU-OP | LM60UU-AJ |
| LM80UU | LM80UU-OP | LM80UU-AJ |
| LM100UU | LM100UU-OP | LM100UU-AJ |
Company Profile
HangZhou JPG BEARING MANUFACTURING IS a professional series linear motion bearing products manufacturer with 10 years experiences,we could offer many kinds of linear bearing and good quality linear bearing.
Delivery:
1. Less than 1000 pcs , we will send by express. ( Door to Door, Convenient ),
or by air transport. ( Fastest and safest, but expensive )
2. More than 1000pcs , we will send by sea. ( Cheapest, safe )
Payment:
1. Less than 1000 pcs , 100% T/T, Western Union in advance.
2. Between 1000-10000pcs, TT, Western Union, MoneyGram.
3. More than 10000pcs , TT, L/C ,Western Union, MoneyGram.
Packaging
1. Neutral Package: Plastic Bag + Carton + Pallet; 2. Commercial Package: Plastic Bag + Box + Carton + Pallet; 3. As the clients’ requirement.
After service
All of our bearings are qualified and manufactured as Chinese Bearing Industry Standard (GB/T 307.2-1995). Any bearing sold has a warranty from us.
To improve our products and service greatly, any feedback of bearings, package, delivery etc would be highly appreciated
In case of any bearing problem, which is caused by bearing quality, package etc, we would like to replace the bearings.
Any other question, feel free to contact us by email.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Function: | Super |
|---|---|
| Flange Shape: | Oval |
| Shape: | Straight |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
Differences between Open-Type and Closed-Type Linear Bearings
Open-type and closed-type linear bearings are two common variations used in linear motion systems, each with its own advantages and considerations:
- 1. Open-Type Linear Bearings:
Open-type linear bearings, as the name suggests, have an open design that allows easy access to the bearing’s rolling elements and raceways. These bearings are characterized by:
- Quick Maintenance: Open-type bearings are easier to clean, lubricate, and inspect due to their open structure, making maintenance more convenient.
- Increased Contamination Risk: Because they are exposed, open-type bearings are more susceptible to dust, debris, and contamination, which can affect their performance and lifespan.
- 2. Closed-Type Linear Bearings:
Closed-type linear bearings are enclosed within a housing or carriage that provides protection from external elements. These bearings offer the following features:
- Enhanced Contamination Protection: Closed-type bearings are less vulnerable to contaminants and offer improved protection against dust, dirt, and debris, leading to longer service life.
- Reduced Accessibility: Maintenance and inspection of closed-type bearings might be more complex due to the need to disassemble the housing or carriage for access.
- Reduced Noise: The enclosed design of closed-type bearings can contribute to reduced noise levels, which is advantageous in noise-sensitive applications.
Choosing between open-type and closed-type linear bearings depends on the specific requirements of the application. If easy maintenance and accessibility are crucial, open-type bearings might be preferred. On the other hand, closed-type bearings offer better protection against contaminants and reduced noise, making them suitable for environments where cleanliness and quiet operation are essential.
Managing Contamination and Debris in Linear Bearings
Contamination and debris pose significant challenges to the proper functioning of linear bearings. However, various measures are employed to effectively manage these issues:
- Preventive Sealing:
Linear bearings are often equipped with protective seals that act as barriers against contaminants. These seals prevent dust, dirt, and other particles from entering the bearing housing, thus reducing the risk of contamination.
- Shielding:
Linear bearings can incorporate shields that offer an additional layer of protection against debris. Shields are designed to keep larger particles away from the bearing’s rolling elements, enhancing the bearing’s longevity.
- Wipers and Scrapers:
Some linear bearings feature wipers or scrapers that actively remove debris from the bearing’s moving parts. These components help prevent the accumulation of contaminants that could compromise performance.
- Regular Maintenance:
Periodic inspection and cleaning are crucial to maintaining the cleanliness of linear bearings. Routine maintenance procedures help identify and remove any foreign particles that may have entered the bearing housing.
- Clean Environment:
Creating a clean operating environment is essential. In applications where contamination is a concern, steps are taken to minimize the presence of dust, dirt, and other pollutants in the vicinity of the linear bearings.
- Proper Lubrication:
Lubrication not only reduces friction but also creates a barrier against contaminants. The lubricant can help prevent particles from adhering to bearing surfaces, facilitating their removal during maintenance.
- Regular Inspections:
Frequent visual inspections can help identify early signs of contamination. Timely detection allows for prompt cleaning and maintenance, preventing further damage.
- Appropriate Sealing Materials:
Using high-quality sealing materials that are resistant to wear and tear is essential. The right materials can effectively keep contaminants out while withstanding the operating conditions.
- Choosing Suitable Environment:
Where possible, placing linear bearings in environments with lower levels of contamination or installing additional protective measures can help manage debris-related challenges.
By implementing these strategies, engineers and operators can effectively manage the challenges associated with contamination and debris, ensuring the optimal performance and longevity of linear bearings.
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 2024-02-28
China wholesaler Low Price Gcr15 Steel 12mm Linear Bearing Lm12uu for 3D Printer connecting rod bearing
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 | Low price GCr15 steel 12mm Linear bearing LM12UU for 3D printer |
| Model No. | Linear bearing LM12UU |
| 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 |
|
| 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.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Function: | Ordinary |
|---|---|
| Flange Shape: | None |
| Shape: | Straight |
| Series: | LM |
| Material: | Bearing Steel |
| Type: | Universal |
| Samples: |
US$ 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.
Recent Advancements in Linear Bearing Technology
Recent years have seen significant advancements in linear bearing technology, leading to improved performance, reliability, and versatility. Some notable developments include:
- Nanotechnology: The integration of nanotechnology has allowed for the development of ultra-precision linear bearings with nanometer-scale accuracy. These bearings are ideal for applications requiring extremely fine movement and positioning.
- Smart Bearings: Advances in sensor technology have enabled the creation of smart linear bearings that can monitor parameters like temperature, load, and vibration in real time. This data helps in predictive maintenance and optimizing operational efficiency.
- Materials Innovation: New materials with enhanced properties, such as self-lubricating and corrosion-resistant coatings, have extended the lifespan of linear bearings and reduced the need for frequent lubrication and maintenance.
- Compact Designs: Manufacturers are designing more compact linear bearings to suit space-constrained applications while maintaining high load capacity and precision.
- Environmental Sustainability: There’s a growing emphasis on developing linear bearings with reduced environmental impact, including using eco-friendly materials and designs that require less energy to operate.
- Integration of IoT: Linear bearings are being integrated into the Internet of Things (IoT) networks, allowing them to communicate with other equipment and systems for seamless automation and optimization.
- Magnetic Levitation Bearings: Magnetic levitation (maglev) technology is being applied to linear bearings to create frictionless movement, reducing wear and enabling smoother and more precise motion.
- Advanced Coatings: Coatings with enhanced wear resistance, low friction, and improved thermal properties are being applied to linear bearings, extending their service life in challenging environments.
These advancements have contributed to the expanding range of applications where linear bearings can be used, from aerospace and automotive industries to medical devices and consumer electronics. As technology continues to evolve, linear bearings will play a crucial role in enabling more efficient and precise motion control across various sectors.
Linear Bearings: Definition and Applications
Linear bearings are mechanical components designed to facilitate smooth and controlled linear motion in a single direction. They are widely used across various industries to provide precise movement and guidance in applications where traditional rotary bearings are not suitable. Linear bearings offer several advantages and find use in a diverse range of applications:
- Precision Machinery:
Linear bearings are a fundamental part of precision machinery such as CNC machines, laser cutting equipment, and coordinate measuring machines. They ensure accurate movement and positioning of tools and components, enabling high-quality and intricate work.
- Industrial Automation:
In automated manufacturing and assembly lines, linear bearings play a critical role in moving robotic arms, conveyors, and various stages along predefined paths. Their ability to provide smooth and repeatable motion contributes to increased production efficiency.
- Medical Devices:
Linear bearings are essential in medical devices like diagnostic machines, imaging systems, and robotic surgical equipment. They enable precise movement and positioning required for accurate diagnoses and minimally invasive procedures.
- Packaging Machinery:
In packaging industries, linear bearings guide the motion of conveyor belts, sealing mechanisms, and labeling devices. These bearings ensure consistent and reliable packaging processes.
- Material Handling:
Linear bearings are used in various material handling equipment such as pick-and-place systems, automated warehouses, and sorting machines. They enable efficient movement of goods and materials with reduced friction and wear.
- Semiconductor Manufacturing:
In semiconductor fabrication, where extreme precision is crucial, linear bearings are employed in wafer handling, chip assembly, and inspection equipment. They ensure contamination-free motion and positioning of delicate components.
- Textile Machinery:
Textile machines use linear bearings for guiding yarn paths, thread tensioning, and controlling the movement of fabric during weaving and knitting. These bearings contribute to the quality and efficiency of textile production.
- Automotive Manufacturing:
Linear bearings are found in automotive assembly lines for tasks such as welding, painting, and component installation. They provide accurate movement and positioning of vehicle parts, contributing to the production process.
- Aerospace and Defense:
In aerospace applications, linear bearings are used in various mechanisms, including aircraft seats, control surfaces, and satellite deployment systems. Their reliability and precision are crucial in these demanding environments.
- Renewable Energy:
In wind turbines and solar panel manufacturing, linear bearings are used to adjust the positioning of blades, solar panels, and tracking systems. They contribute to the efficiency of renewable energy generation.
Overall, linear bearings offer precise, controlled, and smooth linear motion in diverse applications across industries. Their ability to guide and support loads while minimizing friction and wear makes them essential components for achieving accurate movement and improved operational efficiency.
editor by CX 2024-02-12