China manufacturer High Quality Plastic Deep Groove Ball POM Bearing 6206 Bearing bearing and race

Product Description

N NU NUP NJ NF Series Engineering Machinery Parts Cylindrical Roller Bearing NU2232EM NU2334EM NU2336EM NU2338EM NU2340EM NU2344EM Roller Bearing NU2348EM  
 

Model

All Standard and Non Standard
Brand  KOYO NTN NSK
Structure Single row    
Double rows
Four rows
Precision Rating P0,P6,P5,P4,P2(ABEC1,ABEC3,ABEC5,ABEC7,ABEC9)
Clearance C2,C0,C3,C4,C5
Viberation Level V1,V2,V3,V4
Material GCr15/GCr15SiMn
Application

Widely used in metallurgy, mining, petroleum, chemical, coal, cement, paper, 

windpower, heavy machinery, enginnering machinery, port machinery and other

 industries. 

Delivery time 1)3-5days for samples
2)10-15days
Payment terms 1)30%TT in advance,70%balance has to be paid before first shipment.
2)100%LC at sight
3)Western Union
4)Paypal
5)other payment terms depend on our discussion

 

Images

 

 

 

Type

Cylindrical Roller Bearing

Model

NN3044-AS-K-M-SP

Brand

YNR/OEM

d (mm)

220mm

Material

Chrome steel 

D (mm)

340mm

Type

Open/Seal

B (mm)

90mm

Precision rate

P0, P6, P5, or as requested

 

 

 Applicable Industries    Hotels, Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Restaurant, Home Use, Retail, Food Shop, Printing Shops,

Company Profile

 

CONTINUOUS AND STABLE DELIVERY OF PRODUCTS.
 

Packaging & Shipping

 

FAQ

 Q:Do you accept ODM&OEM orders?
A: Yes, we provide ODM&OEM services to worldwide customers, we are CZPT to customize housings in different styles, and sizes in
different brands, we also customize packaging box as per your requirements.

Q:Do you offer free samples?
A: Yes we offer free small samples to distributors and wholesalers, pls note,if your bearings are bigger,we will send you same
materials/same brands as for sample.however customers should bear freight.
We DO NOT offer free samples to end users.

Q:What’s the MOQ?
A: MOQ is 10pcs for standardized products; for customized products, MOQ should be negotiated in advance.

Q:How long is the lead time?
A: Normally lead time is about 3-7days,if it is customized order ,the lead time will be reconfirmed, about 10-15days.
 

Q:How to place orders?
A: 1. Email us the model, brand and quantity, consignee information, shipping way and payment terms;
2. Proforma Invoice made and sent to you;
3. Complete Payment after confirming the PI;
4. Confirm Payment and arrange production.

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Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Small and Medium-Sized (60-115mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Radial Bearing
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

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

How do POM bearings perform in wet or corrosive environments?

POM (Polyoxymethylene) bearings are known for their excellent performance in wet or corrosive environments due to their inherent properties and design considerations. Here is a detailed explanation of how POM bearings perform in such conditions:

1. Resistance to Moisture:

POM bearings exhibit high resistance to moisture and water. The molecular structure of POM is non-polar, which means it does not absorb water or experience swelling when exposed to moisture. This property allows POM bearings to maintain their dimensional stability and mechanical strength, even in humid or wet environments. The resistance to moisture absorption also helps to prevent the degradation of lubricating properties, ensuring consistent performance and reducing the risk of premature failure.

2. Low Water Absorption:

POM has low water absorption characteristics, which further enhances its performance in wet environments. The low water absorption rate of POM means that the material does not retain or retain water for a long time. This property helps to prevent the formation of water-related issues such as corrosion, rust, or microbial growth on the bearing surfaces. The low water absorption also contributes to the dimensional stability and mechanical integrity of POM bearings, ensuring reliable operation in wet conditions.

3. Corrosion Resistance:

POM bearings exhibit excellent resistance to corrosion. The material is inherently resistant to many chemicals, including fuels, oils, solvents, and various acids and alkalis. This corrosion resistance makes POM bearings suitable for applications where exposure to corrosive substances is likely. The non-reactive nature of POM helps to prevent chemical attack, surface degradation, and deterioration of bearing performance in corrosive environments, ensuring long-term reliability and durability.

4. Self-Lubricating Properties:

POM bearings possess self-lubricating properties, which contribute to their performance in wet or corrosive environments. The self-lubricating nature of POM reduces the reliance on external lubricants that may be susceptible to washout or degradation in wet conditions. The formation of a lubricating film at the bearing interfaces helps to reduce friction, minimize wear, and maintain smooth operation, even in the presence of moisture or corrosive elements.

5. Design Considerations:

The design considerations for POM bearings can further enhance their performance in wet or corrosive environments. For example, incorporating effective sealing systems can provide an additional layer of protection against water and contaminants. Proper sealing helps to maintain the integrity of the lubricating film, prevent water ingress, and minimize the risk of corrosion or surface damage. Additionally, selecting appropriate bearing clearances, materials for seals, and lubrication methods can optimize the performance of POM bearings in specific wet or corrosive applications.

Overall, POM bearings are well-suited for wet or corrosive environments due to their moisture resistance, low water absorption, corrosion resistance, self-lubricating properties, and design flexibility. However, it is essential to consider the specific operating conditions and consult with bearing manufacturers or industry experts to ensure the selection of the most suitable bearing type and design for the intended application in such environments.

pom bearing

How do POM bearings compare to other types of bearing materials like bronze or steel?

When comparing POM bearings to other types of bearing materials like bronze or steel, there are several factors to consider. Each material has its own unique properties and advantages that make it suitable for specific applications. Here’s a detailed comparison of POM bearings with bronze and steel bearings:

1. Wear Resistance:

  • POM Bearings: POM bearings have excellent wear resistance, comparable to bronze bearings. They exhibit low wear rates, making them suitable for applications involving continuous sliding or rotational motion.
  • Bronze Bearings: Bronze bearings also have good wear resistance, but their wear rates may be slightly higher compared to POM bearings.
  • Steel Bearings: Steel bearings typically have lower wear resistance compared to both POM and bronze bearings. They may require additional lubrication or surface treatments to minimize wear.

2. Friction and Lubrication:

  • POM Bearings: POM bearings exhibit a low coefficient of friction, resulting in reduced energy loss and improved efficiency. They can operate with or without lubrication, although lubrication can further reduce friction and enhance performance.
  • Bronze Bearings: Bronze bearings have moderate friction characteristics and generally require lubrication to minimize friction and wear.
  • Steel Bearings: Steel bearings often have higher friction compared to POM and bronze bearings. Lubrication is generally required to reduce friction and prevent premature wear.

3. Load Capacity:

  • POM Bearings: POM bearings have lower load capacity compared to bronze or steel bearings. They are typically suitable for moderate to light-load applications.
  • Bronze Bearings: Bronze bearings have higher load capacity compared to POM bearings and can withstand heavier loads.
  • Steel Bearings: Steel bearings have excellent load capacity and can handle heavy loads and high impact forces.

4. Corrosion Resistance:

  • POM Bearings: POM bearings have good resistance to many chemicals, oils, and solvents, but they may not be suitable for highly corrosive environments.
  • Bronze Bearings: Bronze bearings offer good corrosion resistance, making them suitable for applications exposed to moisture or certain chemicals.
  • Steel Bearings: Steel bearings are susceptible to corrosion and require additional measures, such as coatings or surface treatments, to enhance their corrosion resistance.

5. Noise and Vibration:

  • POM Bearings: POM bearings generally operate quietly and generate minimal vibration due to their low friction characteristics.
  • Bronze Bearings: Bronze bearings can produce some noise and vibration during operation, especially at higher speeds.
  • Steel Bearings: Steel bearings can generate noise and vibration, particularly under heavy loads or inadequate lubrication.

6. Machinability and Cost:

  • POM Bearings: POM is relatively easy to machine, allowing for efficient production of complex bearing shapes. POM bearings are generally cost-effective.
  • Bronze Bearings: Bronze bearings can be more challenging to machine due to the material’s hardness. They may be more expensive compared to POM bearings.
  • Steel Bearings: Steel bearings can be machined but may require more effort and specialized tools. They can be costlier compared to both POM and bronze bearings.

Ultimately, the choice between POM, bronze, or steel bearings depends on the specific application requirements, load conditions, environmental factors, and cost considerations. It’s essential to evaluate the properties and advantages of each material in relation to the intended use to ensure optimal bearing performance and longevity.

China manufacturer High Quality Plastic Deep Groove Ball POM Bearing 6206 Bearing   bearing and raceChina manufacturer High Quality Plastic Deep Groove Ball POM Bearing 6206 Bearing   bearing and race
editor by CX 2024-03-26

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