Product Description
1.Product Specification:
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
2.Application
1. Automatic controlling machine
2. Semi-conductor industry
3. General industry machinery
4. Medical equipment
5. Solar energy equipment
6. Machine tool
7. Parking system
8. High-speed rail and aviation transportation equipment, etc.
muzhibenying
3.Related Bearings
4.Production Process:
5.Factory Production
6.Why choose us?
Rigorous Business Philosophy
▄ HangZhou Kent bearing Co., Ltd established in 2, 63192752
10.FAQ
1.Q:Are you a factory or trading company?
A:Kent Bearing is specialized in manufacturing and exporting bearings,
and we have our own factory and warehouse.
2.Q:Can I get some samples and do you offer the sample free?
A:Yes, sure, Kent Bearing are honored to offer you samples.
3.Q: How about the shipping?
A: We can arrange the shipment or you may have the forwarder.
4.Q: Could you tell me the material of our bearing?
A: We have chrome steel, and stainless steel, ceramic and plastic material.
5.Q: Can we get support if we have our own market position?
A: Please inform us detailed information about your market,we will dicuss
and propose helpful suggestion for you and to find the best solution for you.
OEM POLICY
1.We can printing your brand (logo,artwork)on the shield or laser engraving your brand
on the shield.
2.We can custom your packaging according to your design.
3.All copyright own by clients and we promised don’t disclose any info.
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| Aligning: | Non-Aligning Bearing |
|---|---|
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Size: | 30*40*50mm |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Differences Between Linear Ball Bearings and Linear Roller Bearings
Linear ball bearings and linear roller bearings are two distinct types of linear bearings, each with its own design and characteristics. Here’s how they differ and when they are preferred:
- 1. Design:
Linear ball bearings use ball bearings to provide rolling motion along the shaft. Linear roller bearings, on the other hand, use cylindrical or needle rollers for motion. Roller bearings have a larger contact area, distributing the load over a broader surface.
- 2. Load Capacity:
Linear roller bearings typically have a higher load-carrying capacity compared to linear ball bearings. This makes them suitable for applications with heavier loads and greater force requirements.
- 3. Friction and Smoothness:
Linear ball bearings offer lower friction and smoother motion due to the point contact between the balls and the shaft. Roller bearings may have slightly higher friction but can handle larger loads without sacrificing smoothness.
- 4. Precision and Accuracy:
Linear ball bearings are often preferred for applications requiring high precision and accuracy. Their point contact provides precise positioning and repeatability, making them suitable for tasks like CNC machining and optical systems.
- 5. Noise and Vibration:
Linear ball bearings tend to generate less noise and vibration due to their smoother rolling action. Roller bearings may produce slightly more noise but are still used in applications where noise is not a critical factor.
- 6. Speed:
Linear ball bearings are well-suited for high-speed applications due to their low friction and smooth motion. Roller bearings are also capable of high speeds but may have slightly different characteristics.
- 7. Cost:
Linear ball bearings are often more cost-effective for lower-load and precision applications. Linear roller bearings may be preferred for heavy-duty applications, which may justify their higher cost.
- 8. Application Scenarios:
Linear ball bearings are commonly used in applications where precision, smooth motion, and accuracy are paramount, such as in CNC machinery, 3D printers, and optical systems. Linear roller bearings excel in applications with higher loads, such as heavy machinery, material handling, and industrial automation.
In summary, the choice between linear ball bearings and linear roller bearings depends on the specific requirements of the application. Each type has its strengths and weaknesses, and selecting the right type ensures optimal performance and longevity.

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.

Factors to Consider When Selecting a Linear Bearing
Choosing the right linear bearing for a specific application involves considering several critical factors to ensure optimal performance and longevity:
- Load Requirements:
Determine the magnitude and direction of the loads the linear bearing will experience. Consider both static and dynamic loads to select a bearing with an appropriate load capacity.
- Precision and Accuracy:
For applications requiring precise positioning, choose linear bearings with high precision and low backlash. Factors like repeatability and positional accuracy are crucial.
- Speed and Acceleration:
Consider the speed and acceleration at which the linear bearing will operate. Higher speeds may require bearings with lower friction and better heat dissipation.
- Environmental Conditions:
Assess the environmental factors such as temperature, humidity, and exposure to contaminants. Choose linear bearings with suitable materials and seals to withstand the conditions.
- Space Constraints:
Take into account the available space for mounting the linear bearing. Some applications may have limited space, necessitating compact and lightweight bearing options.
- Maintenance Requirements:
Consider the maintenance needs of the bearing. Bearings with self-lubricating properties or easy access for lubrication can reduce maintenance frequency.
- Mounting and Configuration:
Choose a linear bearing that can be easily mounted and integrated into your system’s design. Consider factors like mounting orientation and available mounting surfaces.
- Life Expectancy:
Estimate the expected lifespan of the linear bearing based on the application’s requirements. Select a bearing with a suitable design life to prevent premature failures.
- Cost and Budget:
Balance the desired performance with the available budget. Opt for linear bearings that provide the necessary features without exceeding cost limitations.
- Accessories and Add-ons:
Consider any additional accessories or add-ons, such as seals, lubrication systems, or end caps, that can enhance the bearing’s performance and protection.
- Manufacturer and Supplier:
Choose reputable manufacturers and suppliers that offer reliable products and good customer support. Quality assurance and technical assistance are essential.
Overall, a comprehensive assessment of these factors will help you select the most suitable linear bearing for your specific application, ensuring optimal performance, longevity, and cost-effectiveness.


editor by CX 2024-04-04