China wholesaler Plastic Nylon Mini Deep Groove Ball Bearing Coated POM with High Hardness Plastic Cage bearing and race

Product Description

Detailed Photos

 

Real Photos:

 

Material Detail:

Product Description

POM nylon ball bearings introduction :
POM plastic bearings , PP plastic bearing POM and PA materials with good mechanical strength and wear resistance , suitable for the production of more sophisticated plastic bearings, working temperature from -60 °C ~ 100 °C, high strength and smooth surface , basically does not appear tension , its good self-lubricating properties and low coefficient of friction , while maintaining the traditional advantages of plastic bearings on the basis of precise and can be used in high speed operation

Features:
(1) rigidity, high hardness , even at low temperatures , high impact strength
(2) good excellent elasticity , creep resistance ;
(3) high thermal stability and very good dimensional stability ;
(4)good sliding properties , wear resistance ;
(5) physiologically inert , suitable for contact with food.
(6) Even in strong acid and strong oxidizing agents, poor paint adhesion
 

Item Plastic Bearing 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
OEM ODM Technical drawing or sample is needed d(mm) 10
Original ZheJiang , China D(mm) 26
Ring Material Plastic/Steel B(mm) 8
Cage Material Plastic Number of row single
Tolerance P0 P6 P5 P2 P4 or as Requested Clearance C0 C2 C3 C4
Vibration V1 V2 V3 or as Requested Noise Z1 Z2 Z3 Z4
MOQ 1000 pcs Application Motor/electric/sliding/furniture accessories/
Skateboard/etc.
Feature heavy-duty,adjustable,low noise, easy installation,sliding smoothly,long life,standard,customized,etc Leading Time According to the order q’ty

Company Profile

All bearings in our factory adopt international quality standards. The complete equipment, strict quality control, advanced Japanese technology and quality service provide a guarantee to supply the high-quality bearings for our customers. Domestic sales and service network has covered 15 major cities in China, meanwhile our bearing has sold more than 60 overseas countries and regions.

Our bearings have been widely used in agriculture, textiles, mining, printing and packaging industries, in addition to applications in airports, air conditioning systems, conveyors and ship also applied.

Other Product

 

 

Packaging & Shipping

 

Delivery

1.Samples will be shipped by courier as FedEx,UPS,DHL,etc.
2.More than 3000 set bearings, it is recommended to be shipped by sea (sea transportation).

Packaging Details

Packaging
A.Polybag +Box+Carton
B.B.Tube+Box+Carton
C.As per customer’s request
We have kinds of packages, such as plastic bags, cartons, special boxes. We use different packages based on the products and our customers’ requirements.
Port :HangZhou

 

FAQ:

1. who are we?
We are based in ZheJiang , China, start from 2017,sell to North America(1.00%),Africa(1.00%),Western Europe(1.00%),Southern Europe(1.00%). There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Bearing cage,Bearing pulley,Plastic producs,Miniature bearing,Needle roller bearing

4. why should you buy from us not from other suppliers?
Hardware pulley source factory,20 years professional bearing pulley experience

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW;
Accepted Payment Currency:USD,EUR,JPY,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A;
Language Spoken:English,Chinese,Spanish,Japanese,F

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Aligning: Aligning Bearing
Separated: Unseparated
Rows Number: Single
Samples:
US$ 0.5/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

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Customized Request

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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.

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 you provide examples of machinery or equipment that frequently use POM bearings?

There are numerous machinery and equipment applications where POM (Polyoxymethylene) bearings are commonly used due to their unique properties and benefits. Here are some examples of machinery and equipment that frequently utilize POM bearings:

  • Automotive Industry: POM bearings find applications in various automotive components, such as window regulators, door hinges, seat adjusters, windshield wiper systems, and HVAC (Heating, Ventilation, and Air Conditioning) systems. The self-lubricating properties and low friction of POM bearings make them suitable for these mechanisms, providing smooth operation and durability.
  • Electrical Appliances: POM bearings are often utilized in electrical appliances, including fans, motors, pumps, and household appliances like washing machines, dishwashers, and refrigerators. These bearings offer low friction, quiet operation, and resistance to moisture and chemicals, making them suitable for various rotational or sliding parts within these appliances.
  • Textile Machinery: POM bearings are commonly used in textile machinery, such as spinning machines, looms, and knitting machines. These bearings provide smooth and precise movement for the rotating or sliding elements, allowing for efficient fabric production without excessive friction or wear.
  • Office Equipment: POM bearings are found in office equipment like printers, copiers, scanners, and fax machines. These bearings contribute to the smooth movement of paper feed mechanisms, scanning components, and printer carriages, ensuring reliable and precise operation of these devices.
  • Medical and Laboratory Equipment: POM bearings are suitable for medical and laboratory equipment due to their low friction, durability, and resistance to chemicals. They are commonly used in devices such as centrifuges, analytical instruments, pumps, and medical imaging equipment, where precision and smooth operation are critical.
  • Sports and Recreation Equipment: POM bearings are utilized in various sports and recreation equipment, including skateboards, roller skates, inline skates, and bicycles. These bearings provide low friction, smooth rolling, and resistance to moisture and dirt, enhancing the performance and durability of these recreational products.

It’s important to note that POM bearings can be found in a wide range of other applications as well, depending on the specific requirements and operating conditions. The versatility of POM bearings makes them suitable for diverse industries, including industrial machinery, food processing equipment, agricultural machinery, and many others.

When considering the use of POM bearings in specific machinery or equipment, it is recommended to consult with bearing manufacturers or industry experts to ensure the selection of the appropriate bearing type and design for the intended application.

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 wholesaler Plastic Nylon Mini Deep Groove Ball Bearing Coated POM with High Hardness Plastic Cage   bearing and raceChina wholesaler Plastic Nylon Mini Deep Groove Ball Bearing Coated POM with High Hardness Plastic Cage   bearing and race
editor by CX 2024-02-15

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