China OEM R188 CZPT POM plastic deep groove ball bearing with glass balls wholesaler

Product Description

Material: Chrome Steel / Stainless Steel / Carbon Steel / Ceramic / POM
OEM Service: Custom bearing’s size, logo, packing. 
Certificate: CE

What is small bearing?

Miniature and small-sized ball bearing mean ball bearing, up to 30mm in external diameter. Miniature and small bearings are used for extremely high speeds. These bearings offer a low level of noise, vibration, and frictional torque performance. Miniature and extra-small ball bearings can be sealed by shields or rubber seals to prevent leakage of lubricating grease or entry of dust.

 

What are tiny ball bearings used for?

Bearing Basics applications, miniature precision bearings help reduce friction between parts that need to move independently while effectively saving space in tight applications, such as medical, instrumentation and semiconductor equipment. The balls are available in a range of sizes to meet specific project needs.

 

Where is miniature ball bearings be used? Ball bearings are the most common bearing type and can be found in many every day objects, such skateboards, blenders, bicycles, DVD players and photocopiers. Small wheel bearings are also frequently be used for window and door rollers.This type of bearing is typically used in applications which have a high speed and a low load.

 

About HXHV Small Ball Bearings

The micro bearing dimeension are usually standard as the table below.

But sometimes buyer need the non-standard bearings with custom small bearing size or micro blue bearing.

We supply OEM SERVICE and produce these non-standard bearings with customized size, logo and packing.

 

CE CERTIFICATE is very important for european market. And we supply CE certification for our bearings.

 

As for the mini ball bearing material, the inner ring, outside ring, balls and retainer are usually be made of carbon steel, chrome steel or stainless steel. Sometimes the retainer can be made of nylon. The bearings are also be made of special material such as black ceramic Si3N4, White Ceramic ZrO2, and PTFE, PEEK retainers. Sometimes we make the mini bearing with plastic POM rings and glass balls.

 

The micro ball bearings price will be different because of the bearing’s model number, order quantity, precision range, brand and packing, etc.

 

If you need any original brand bearings or bearing with other dimension and model number, please contact us directly.

Please check the bearing’s size below.

Model Number Bore Diameter Outer Diameter (mm) Width (mm) Weight (kg)
R1-4 1.984375 mm 6.35 mm 2.38125 mm 0.00035 kg
MR73 3 mm 7 mm 3 mm 0.032 kg
MR74 4 mm 7 mm 2 mm 0.0571 kg
MR74 4 mm 7 mm 2.5 mm 0.0571 kg
MR93ZZ 3 mm 9 mm 4 mm 0.0012 kg
MR106 6 mm 10 mm 3 mm 0.001 kg
R188 5 mm 11 mm 3.175 mm 0.0571 kg
MR126 6 mm 12 mm 4 mm 0.002 kg
R188 6.35 mm 12.7 mm 4.762 mm 0.0571 kg
R3 4.762 mm 12.7 mm 3.969 mm 0.0571 kg
R3A 4.762 mm 12.7 mm 4.978 mm 0.0571 kg
MR148 8 mm 14 mm 4 mm 0.002 kg
R4 6.35 mm 15.875 mm 4.978 mm 0.005 kg
R4A 6.35 mm 19.05 mm 5.556 mm 0.008 kg
R6 9.525 mm 22.225 mm 5.556 mm 0.011 kg
R8 12.7 mm 28.575 mm 6.35 mm 0.018 kg

Packing:

Universal Packing

Without any logo on bearings or packing.

HXHV Packing

With our brand HXHV on bearings and packing.

Customized Packing

Depends on buyer’s requirements.

Original Brand Packing

Bearing and packing are both original. Please contact us for pictures.

Certificate:
Our bearings comes with CE certificate and our company has been verified by SGS Group. Please contact us for clear certificate photos.

Other Bearings:
We supply different types of ball and roller bearings, slewing bearings, mini bearings, ceramic bearings, Linear guides. 

To get price list of promotion bearings, please contact us. /* 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

Contact Angle: Standard
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Plastic
Samples:
US$ 0.18/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

pom bearing

Can POM bearings be used in high-speed or high-precision applications?

Yes, POM (Polyoxymethylene) bearings can be used in high-speed or high-precision applications. While POM is not typically considered a high-speed or high-precision bearing material compared to options like steel or ceramic, it possesses certain characteristics that make it suitable for specific scenarios. Here is a detailed explanation:

1. Low Friction and Self-Lubrication:

POM bearings have low friction properties, which can be advantageous in high-speed applications. The low friction helps reduce energy losses and heat generation, allowing for smoother operation at higher speeds. Additionally, POM has self-lubricating properties, meaning it can operate with minimal or no additional lubrication. This feature is beneficial in applications where regular lubrication maintenance is challenging or not feasible, making POM bearings suitable for certain high-speed or high-precision applications.

2. Low Coefficient of Thermal Expansion:

POM has a relatively low coefficient of thermal expansion compared to other bearing materials. This characteristic enables POM bearings to maintain dimensional stability even under fluctuating temperatures. In high-precision applications where dimensional accuracy is crucial, POM bearings can provide reliable performance by minimizing the potential for undesirable dimensional changes due to temperature variations.

3. Good Wear Resistance:

While POM may not have the same wear resistance as materials like steel or ceramics, it still possesses decent wear resistance properties. POM bearings can withstand moderate to light loads and exhibit good resistance to wear in applications where the loads and operating conditions are within their recommended limits. In high-speed or high-precision applications where the loads are relatively light, POM bearings can offer satisfactory wear performance and contribute to extended service life.

4. Considerations for High-Speed and High-Precision Applications:

When considering the use of POM bearings in high-speed or high-precision applications, it is important to take certain factors into account:

  • Speed Limitations: POM bearings have speed limitations due to their lower thermal conductivity and lower modulus of elasticity compared to other materials. It is essential to ensure that the intended operating speed falls within the recommended limits to prevent excessive heat generation or potential bearing failure.
  • Precision Requirements: In high-precision applications, the dimensional accuracy and stability of the bearings are critical. While POM bearings can offer good dimensional stability, it is important to select bearings with tight tolerances and ensure proper installation and alignment to meet the precision requirements of the application.
  • Load Considerations: POM bearings are suitable for applications with moderate to light loads. It is crucial to evaluate the specific load requirements of the application and ensure that the bearing’s load capacity is sufficient for the intended operating conditions.
  • Lubrication: Although POM bearings have self-lubricating properties, certain high-speed or high-precision applications may still benefit from additional lubrication to optimize performance and reduce friction. Consideration should be given to the type of lubricant and the lubrication method to ensure compatibility with POM and the application requirements.

In summary, while POM bearings may not be the first choice for all high-speed or high-precision applications, they can still be used effectively in certain scenarios. By considering the specific requirements, speed limitations, precision needs, load considerations, and lubrication requirements, POM bearings can provide reliable performance and longevity in appropriate high-speed or high-precision industrial applications.

pom bearing

Can POM bearings be customized or machined for specific industrial needs?

Yes, POM (Polyoxymethylene) bearings can be customized or machined to meet specific industrial needs. The versatility of POM as a material allows for various customization options and machining processes to tailor the bearings for specific applications. Here is a detailed explanation:

1. Customized Design:

POM bearings can be customized in terms of their design to accommodate specific industrial needs. Customization options include adjusting the dimensions, tolerances, clearances, or incorporating special features to meet the unique requirements of the application. For example, the bearing’s geometry can be modified to provide enhanced load-carrying capacity, improve alignment, or optimize performance under specific operating conditions. Customized design ensures that the POM bearings are precisely tailored to the application, maximizing their effectiveness and longevity.

2. Machining Processes:

POM bearings can undergo various machining processes to achieve the desired shape, size, or surface finish. Machining processes such as turning, milling, drilling, grinding, or honing can be employed to fabricate POM bearings with specific dimensions and geometric characteristics. Machining allows for precise control over the bearing’s features, such as bore diameter, outer diameter, width, chamfers, or grooves. It enables the production of POM bearings with tight tolerances and dimensional accuracy, ensuring compatibility with mating components and meeting the specific requirements of the industrial application.

3. Material Modifications:

POM material itself can be modified to enhance certain properties or address specific industrial needs. For instance, additives or fillers can be incorporated into the POM matrix during the manufacturing process to improve characteristics such as wear resistance, friction reduction, or dimensional stability. Material modifications can be tailored to the application’s requirements, allowing POM bearings to withstand challenging operating conditions or perform optimally in specific environments.

4. Surface Treatments and Coatings:

To further enhance the performance and durability of POM bearings, surface treatments and coatings can be applied. Surface treatments such as polishing, deburring, or shot peening can improve the bearing’s surface finish, reducing friction and wear. Coatings, including polymer coatings or specialized coatings like PTFE (polytetrafluoroethylene), can provide additional lubrication, reduce friction, and enhance the bearing’s resistance to chemicals, moisture, or corrosion. These surface treatments and coatings can be customized to suit the specific industrial needs and operating conditions.

5. Consultation with Manufacturers:

Consulting with POM bearing manufacturers or industry experts is crucial when considering customization or machining for specific industrial needs. They can provide guidance on the feasibility of customization, offer recommendations on design modifications or machining processes, and help select the most suitable options to meet the application’s requirements. Manufacturers with expertise in POM bearings can also provide valuable insights into material selection, performance optimization, and cost-effectiveness.

In summary, POM bearings can be customized or machined to meet specific industrial needs. Customized design, machining processes, material modifications, surface treatments, and coatings offer flexibility in tailoring POM bearings for different applications, ensuring optimal performance and reliability in a wide range of industrial settings.

pom bearing

What are the key applications of POM bearings in different industries?

POM bearings find numerous applications across various industries due to their unique properties and advantages. The versatility and reliability of POM as a bearing material make it suitable for a wide range of applications. Here are some key industries where POM bearings are commonly used:

1. Automotive Industry: POM bearings are utilized in automotive applications such as steering systems, seat mechanisms, window regulators, fuel systems, and HVAC (heating, ventilation, and air conditioning) systems. Their low friction, wear resistance, and dimensional stability make them ideal for these applications, providing smooth operation and long-lasting performance.

2. Electrical and Electronics Industry: POM bearings are employed in electrical and electronics applications such as switches, relays, connectors, and various moving parts within electronic devices. The material’s low friction, chemical resistance, and excellent dimensional stability ensure reliable operation and precise movement in these components.

3. Textile Industry: POM bearings find extensive use in textile machinery, including spinning machines, weaving machines, and knitting machines. They offer low friction, wear resistance, and resistance to chemicals and moisture, enabling smooth and efficient movement of the machine parts, resulting in improved productivity and quality in textile production.

4. Food Processing Industry: POM bearings are widely employed in food processing machinery due to their excellent corrosion resistance, low moisture absorption, and compliance with food safety standards. They are used in applications such as conveyor systems, packaging equipment, pumps, and mixers, where hygiene and reliability are essential.

5. Medical and Healthcare Industry: POM bearings find applications in medical and healthcare equipment, such as surgical instruments, imaging equipment, prosthetics, and drug delivery systems. The material’s biocompatibility, low moisture absorption, and dimensional stability make it suitable for these applications, ensuring safe and reliable operation in contact with the human body.

6. Industrial Machinery: POM bearings are utilized in various industrial machinery applications, including pumps, valves, compressors, conveyors, and material handling equipment. Their wear resistance, low friction, and chemical resistance contribute to the smooth operation and extended service life of these machines.

7. Agricultural Equipment: POM bearings are employed in agricultural machinery and equipment, such as tractors, harvesters, irrigation systems, and spraying equipment. They provide reliable performance in challenging agricultural environments, offering resistance to wear, chemicals, and moisture.

8. Sporting Goods: POM bearings are used in sporting goods such as skateboards, rollerblades, inline skates, and fishing reels. Their low friction, wear resistance, and durability contribute to smooth and efficient movement in these recreational and sports equipment.

9. Furniture Industry: POM bearings find applications in furniture components such as drawer slides, hinges, and swivel mechanisms. They offer smooth and quiet operation, ensuring ease of use and longevity in furniture applications.

10. Other Industries: POM bearings are also utilized in various other industries, including aerospace, marine, packaging, printing, and general manufacturing. Their properties and advantages make them suitable for a wide range of applications where low friction, wear resistance, chemical resistance, and dimensional stability are crucial.

Overall, POM bearings play a vital role in improving the performance and reliability of machinery and equipment across diverse industries, contributing to enhanced productivity, reduced maintenance, and improved user experience.

China OEM R188 CZPT POM plastic deep groove ball bearing with glass balls   wholesalerChina OEM R188 CZPT POM plastic deep groove ball bearing with glass balls   wholesaler
editor by CX 2024-04-16

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