China OEM 628 8mm POM Plastic Bearings with Glass Balls bearing assembly

Product Description

628 8mm POM Plastic bearings with Glass balls

Product Name 

 628 8mm POM Plastic bearings with Glass balls

Brand

TFN / OEM

Model Number

628

Ring Material

Plastic/Steel

Cage Material 

Plastic

Precision

P0, P6, P5, P4,P2 or as requested

Vibration

ZV1, ZV2, ZV3, or as requested

Clearance 

C0,C2,C3, or as requested 

Type

 62 series,63 series,60 series,61800 series,61900 series etc.

Features 

Deep groove ball bearings are suitable for high speeds and even high speeds and are extremely durable and require no maintenance. This type of bearing has a small friction coefficient, high limit speed, various sizes and forms, and is used in precision instruments, low noise motors, automobiles, motorcycles and general machinery.

Quality standard

ISO9001:2000/ SGS

Quality Control Process 

1.Assembly

2.Windage test

3.Cleaning

4.Rotary test

5.Greasing and gland

6.Noise inspection

7.Appearance inspection

8.Rust prevention

9.Product packaging

Application 

Deep groove ball bearings can be used in gearboxes, instrumentation, motors, household appliances, internal combustion engines, transportation vehicles, agricultural machinery, construction machinery, construction machinery, roller skates, yo-yo, etc.

 

Other deep groove ball bearing models : 

Model Size(mm) Model Size(mm)  
d D B d D
6000 10 26 8 6200 10 30
6001 12 28 8 6201 12 32
6002 15 32 9 6202-z 15 35
6003 17 35 10 6203 17 40
6004 20 42 12 6204 20 47
6005 25 47 12 6205 25 52
6006 30 55 13 6206 30 62
6007 35 62 14 6207 35 72
6008 40 68 15 6208 40 80
6009 45 75 16 6209 45 85
6571 50 80 16 6210 50 90
6011 55 90 18 6211 55 100
6012 60 95 18 6212 60 110
6013 65 100 18 6213 65 120
6014 70 110 20 6214 70 125
6015 75 115 20 6215 75 130
6016 80 125 22 6216 80 140
6017 85 130 22 6217 85 150
6018 90 140 24 6218 90 160
6019 95 145 24 6219 95 170
6571 100 150 24 6220 100 180

 

Certificate

Packing

FAQ

Q:Why choose us?                                                        

A:1. We are professional,have factory in ZheJiang for many years.

   2. We are experienced for 10 years.

   3. We can offer a various kind of bearing with high quality:Z1V1,Z2V2,Z3V3 and best price

 

Q:How is the quality of your products?                             

A:The same quality, we have lower price.The same price,we have better quality.

 

Q:Except plastic bearing,what other main bearing do you have?

A:Taper Roller Bearing , Cylindrical roller bearing,Thrust roller bearing,Spherical roller bearing,Angular contact      ball bearing etc.

 

Q:Can I get free plastic bearing samples?                                                 

A:We will charge a little sample fee for our regular designs or customized ones, These charges will be refunded to you when your mass production order is

confirmed.

 

Q:Can you make the products as our requirement?     

A:We have more than 10years’ OEM experience. We supply products fo more than 300 automobile parts factories.

 

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pom bearing

How do POM bearings contribute to the reduced maintenance and extended service life of equipment?

POM (Polyoxymethylene) bearings offer several advantages that contribute to reduced maintenance requirements and extended service life of equipment. Here is a detailed explanation:

1. Self-Lubricating Properties:

POM bearings have inherent self-lubricating properties. They contain solid lubricants embedded within the material, which provide a continuous supply of lubrication during operation. This self-lubrication reduces the need for external lubricants and eliminates the requirement for frequent re-lubrication. The self-lubricating nature of POM bearings minimizes friction and wear, reducing the maintenance effort and ensuring consistent performance over an extended period.

2. Wear Resistance:

POM bearings exhibit excellent wear resistance. They can withstand repetitive motion, heavy loads, and high-speed operation without significant wear or deformation. The material properties of POM, such as its high strength and low coefficient of thermal expansion, contribute to its wear resistance. POM bearings can endure demanding operating conditions without experiencing accelerated wear, reducing the frequency of bearing replacements and extending the service life of equipment.

3. Reduced Friction and Energy Consumption:

POM bearings have low friction coefficients, resulting in reduced energy consumption and lower frictional losses. This characteristic minimizes the heat generated during operation and reduces the wear on bearing surfaces. By reducing friction, POM bearings contribute to the efficient functioning of equipment, leading to less strain on components and decreased maintenance requirements. The reduced friction also helps prevent premature wear and damage to other parts of the equipment, further extending its service life.

4. Corrosion and Chemical Resistance:

POM bearings have good corrosion and chemical resistance. They can withstand exposure to various chemicals, solvents, and environmental conditions without undergoing degradation or deterioration. This resistance protects the bearings from damage caused by corrosive substances, extending their operational life and reducing the need for frequent replacements. POM bearings are particularly beneficial in industries where equipment operates in harsh or corrosive environments, such as chemical processing or marine applications.

5. Dimensional Stability:

POM bearings exhibit excellent dimensional stability, meaning they maintain their shape and size even under varying temperature and humidity conditions. The low coefficient of thermal expansion of POM contributes to its dimensional stability. This stability ensures that POM bearings retain their precise fit and alignment within the equipment, minimizing the risk of misalignment or excessive play. By maintaining consistent dimensional characteristics, POM bearings reduce the wear on mating parts and extend the service life of the equipment.

6. Vibration and Noise Reduction:

POM bearings contribute to reducing vibrations and noise in equipment. The low friction properties and self-lubricating nature of POM minimize the generation of unwanted vibrations and noise during operation. This reduction in vibrations and noise levels helps prevent excessive stress on components and minimizes the risk of premature failure or damage. POM bearings contribute to a quieter and smoother operation of equipment, enhancing its reliability and longevity.

In summary, POM bearings contribute to reduced maintenance requirements and extended service life of equipment through their self-lubricating properties, wear resistance, reduced friction and energy consumption, corrosion resistance, dimensional stability, and vibration and noise reduction capabilities. By incorporating POM bearings into equipment, industries can benefit from lower maintenance costs, decreased downtime, and increased productivity, ultimately leading to improved operational efficiency and a longer service life for the equipment.

pom bearing

What are the considerations for selecting the right POM bearings for specific applications?

When selecting POM (Polyoxymethylene) bearings for specific applications, several key considerations should be taken into account. These considerations ensure that the chosen bearings meet the requirements and deliver optimal performance. Here are the important factors to consider:

1. Load and Application Requirements:

Understanding the specific load and application requirements is crucial in selecting the right POM bearings. Consider factors such as the magnitude and type of load (radial, axial, or combination), speed, operating temperature, and environmental conditions. Different applications may have varying load capacities, speed limits, and temperature ranges that must be considered to ensure the bearings can handle the intended workload without compromising performance or longevity.

2. Bearing Size and Geometry:

The size and geometry of POM bearings should be matched to the application requirements. Consider parameters such as bore diameter, outer diameter, width, and overall dimensions to ensure proper fit and alignment within the mating components. Proper bearing size selection ensures optimal load distribution, reduces the risk of excessive play or interference, and maintains the desired level of precision and reliability.

3. Operating Conditions:

Consider the operating conditions of the application to select POM bearings that can withstand the specific environmental factors. This includes factors such as temperature extremes, exposure to chemicals, moisture, or contaminants. For example, in high-temperature environments, selecting POM bearings with suitable temperature resistance is essential. Similarly, in chemically aggressive environments, choosing POM bearings with appropriate resistance to the specific chemicals encountered is important to prevent degradation or failure.

4. Lubrication Requirements:

Determine the lubrication requirements of the application when selecting POM bearings. While POM bearings are self-lubricating to some extent, certain applications may require additional lubrication to optimize performance. Consider factors such as the type of lubricant, lubrication method, lubrication intervals, and the compatibility of the lubricant with POM. Proper lubrication ensures reduced friction, minimized wear, and extended service life of the bearings.

5. Industry Standards and Regulations:

Complying with industry standards and regulations is essential when selecting POM bearings for specific applications. Depending on the industry or sector, there may be specific standards or guidelines that dictate the performance, material requirements, or certifications needed for the bearings. Ensure that the chosen POM bearings meet the relevant standards and regulations to guarantee the desired level of quality, safety, and performance.

6. Manufacturer and Supplier:

It is important to consider the reputation, expertise, and reliability of the manufacturer or supplier when selecting POM bearings. Choose reputable manufacturers or suppliers with a track record of producing high-quality bearings. They should have the necessary expertise to provide technical support, guidance, and assistance in selecting the most suitable POM bearings for the specific application.

By considering these factors, one can select the right POM bearings that meet the application’s requirements, ensure optimal performance, and provide reliable operation in various industries such as automotive, industrial machinery, electrical equipment, and more.

pom bearing

How does POM contribute to low friction and smooth operation in bearings?

POM (Polyoxymethylene), also known as acetal or Delrin, is a thermoplastic material widely used in bearings due to its ability to provide low friction and smooth operation. The unique properties of POM contribute to these characteristics in the following ways:

1. Low Coefficient of Friction:

POM has a low coefficient of friction, meaning it offers minimal resistance to sliding or rolling motion between surfaces. This property is advantageous in bearing applications as it reduces the energy loss due to friction and promotes efficient movement. The low coefficient of friction of POM is attributed to its molecular structure and the smoothness of its surface, which allows the bearing to operate with minimal resistance and heat generation.

2. Self-Lubricating Properties:

POM exhibits self-lubricating properties, meaning it has inherent lubricity without the need for additional lubricants. The molecular structure of POM allows for the formation of a thin lubricating film at the interface between the bearing and the mating surface. This lubricating film helps reduce friction and wear, resulting in smoother operation and extended service life of the bearing. The self-lubricating properties of POM make it suitable for applications where frequent lubrication or maintenance is impractical or undesirable.

3. Good Wear Resistance:

POM possesses good wear resistance, allowing it to withstand repeated sliding or rolling contact without significant material loss or surface damage. The material’s resistance to wear is attributed to its high hardness and low friction characteristics. POM bearings can maintain their dimensional stability and smooth surface finish even after prolonged use, ensuring consistent and reliable performance over time.

4. Low Moisture Absorption:

POM has low moisture absorption properties, which means it does not absorb water or moisture from the surrounding environment. This property is crucial in bearing applications as moisture absorption can lead to swelling, dimensional changes, and reduced performance. The low moisture absorption of POM helps maintain the dimensional stability and smooth operation of the bearing, even in humid or wet conditions.

5. Chemical Resistance:

POM exhibits good chemical resistance, making it resistant to various chemicals and solvents commonly encountered in industrial and environmental settings. This chemical resistance is beneficial in bearing applications where exposure to chemicals or aggressive substances may occur. The resistance of POM to chemical attack helps preserve the integrity and performance of the bearing, ensuring its smooth operation even in challenging environments.

Overall, the combination of low friction, self-lubricating properties, good wear resistance, low moisture absorption, and chemical resistance make POM an excellent choice for bearings. POM bearings offer reduced energy consumption, improved efficiency, and extended service life, contributing to low friction and smooth operation in various applications across industries.

China OEM 628 8mm POM Plastic Bearings with Glass Balls   bearing assemblyChina OEM 628 8mm POM Plastic Bearings with Glass Balls   bearing assembly
editor by CX 2024-02-04

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