China high quality 608 609 Polyurethane Ball Bearing Plastic Coated Colors ABEC-9 ABEC-7 with high quality

Product Description

Products Description

Temperature limits
The permissible operating temperature for deep groove ball bearings can be limited by:
The dimensional stability of the bearing rings and balls
The cage
The seals
The lubricant
Where temperatures outside the permissible range are expected, contact NMN.
Bearing rings and balls
NMN deep groove ball bearings are heat stabilized up to at least 120 °C (250 °F).
Cages
Steel, stainless steel, brass or PEEK cages can be used at the same operating temperatures as the bearing rings and balls. For temperature limits of cages made of other polymer materials, refer to Polymer cages.
Seals
The permissible operating temperature for seals depends on the seal material:
NBR:   -40 to +100 °C (-40 to +210 °F)
Temperatures up to 120 °C (250 °F) can be tolerated for brief periods.
FKM:   -30 to +200 °C (-20 to +390 °F)
Temperatures up to 230 °C (445 °F) can be tolerated for brief periods. 
Typically, temperature peaks are at the seal lip.
Lubricants
Temperature limits for greases used in CZPT deep groove ball bearings capped on both sides are provided in table 1. For temperature limits of other CZPT greases, refer to Selecting a suitable CZPT grease.
When using lubricants not supplied by NMN, temperature limits should be evaluated according to the CZPT traffic light concept.

Applicable Industries

The factory has a history of nearly 20 years

The certification ensures that the bearing quality meets the national standards.

Canton Fair Exhibition

Never give up, we are best team.

Cooperation Countries from all over the word

Good Packaging make sure bearing’s quality and safty.

Transport & Payment: We receive T/T,Western Union, Moneygram,Paypal or via ALILIBABA insurance order.

FAQ
Q: Are you trading company or manufacturer ?
A: Yes,we are a real manufacturer and trading company with 10 years experience of bearing.

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance ,balance before shippment.

Q:What is your MOQ?
A:For common bearing model number, our MOQ is 1pcs.

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Contact Angle: No
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Plastic Polyurethane Nylon PP POM PVC PA66
Samples:
US$ 0.2/Piece
1 Piece(Min.Order)

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Request Sample

tested quality
Customization:
Available

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Customized Request

pom bearing

How does proper installation and alignment affect the performance and lifespan of POM bearings?

Proper installation and alignment play a critical role in the performance and lifespan of POM (Polyoxymethylene) bearings. The correct installation and alignment procedures ensure that the bearings operate under optimal conditions, minimizing wear, reducing friction, and extending their service life. Here is a detailed explanation of how proper installation and alignment affect the performance and lifespan of POM bearings:

1. Load Distribution:

Proper installation and alignment of POM bearings help ensure uniform load distribution across the bearing surfaces. When the bearings are correctly installed, they can effectively support and distribute the applied loads, preventing excessive stress on specific areas. This balanced load distribution reduces the risk of localized wear, fatigue, or premature failure, enhancing the overall performance and durability of the bearings.

2. Reduced Friction and Heat Generation:

Accurate installation and alignment of POM bearings help minimize friction and heat generation during operation. When the bearings are properly aligned, they can rotate smoothly without excessive friction or binding. This reduces energy losses, minimizes heat buildup, and prevents excessive wear. Proper alignment also ensures that the bearing surfaces are in optimal contact, allowing for efficient lubrication distribution and further reducing friction. Reduced friction and heat generation contribute to improved performance and extended lifespan of POM bearings.

3. Prevention of Misalignment-Related Issues:

Correct installation and alignment of POM bearings help prevent misalignment-related issues. Misalignment can occur due to improper installation practices or external factors such as vibration or thermal expansion. Misalignment can lead to uneven loading, increased friction, and accelerated wear. By following proper installation procedures and aligning the bearings accurately, the risk of misalignment-related problems such as excessive wear, noise, or premature failure is minimized, ensuring reliable and long-lasting bearing operation.

4. Protection Against Contamination:

Proper installation and alignment of POM bearings include implementing appropriate sealing mechanisms to protect against contamination. Contaminants such as dirt, dust, moisture, or chemicals can enter the bearing assembly if not properly sealed. Contamination can lead to abrasion, corrosion, or lubricant degradation, negatively impacting the bearing’s performance and lifespan. By ensuring proper installation and alignment, including the use of suitable seals or shields, the ingress of contaminants can be minimized, preserving the integrity and functionality of the POM bearings.

5. Consultation and Expertise:

When it comes to the installation and alignment of POM bearings, consulting with bearing manufacturers, industry experts, or experienced professionals is highly recommended. They can provide specific guidelines, best practices, and technical support to ensure proper installation and alignment procedures are followed. Manufacturers often provide detailed installation instructions, including torque specifications, mounting methods, or alignment techniques, tailored to their specific bearing designs. Seeking expert advice helps avoid potential installation errors and ensures that the bearings are correctly installed and aligned for optimal performance and enhanced lifespan.

By paying attention to proper installation and alignment procedures, POM bearings can operate efficiently, withstand the intended loads, minimize wear, and deliver extended service life in various industrial applications.

pom bearing

Are POM bearings known for their self-lubricating or maintenance-free qualities?

Yes, POM bearings are known for their self-lubricating qualities, which contribute to their maintenance-free characteristics. The unique properties of POM enable it to function as a self-lubricating material in bearing applications, offering several advantages:

1. Inherent Lubricity:

POM has inherent lubricity, meaning it exhibits lubricating properties 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 reduces friction and wear, promoting smooth operation and minimizing the need for external lubrication.

2. Reduced Friction and Wear:

The self-lubricating properties of POM contribute to reduced friction and wear in bearing applications. The formation of a lubricating film helps to separate the sliding or rolling surfaces, minimizing direct metal-to-metal contact and reducing frictional forces. This leads to lower wear rates and less material loss, resulting in extended bearing life and improved performance.

3. Longer Service Life:

POM bearings’ self-lubricating qualities contribute to their longer service life compared to bearings that require regular lubrication. The presence of a lubricating film helps to protect the bearing surfaces from excessive wear and damage, allowing the bearing to operate smoothly over an extended period. The reduced friction and wear also help to minimize the accumulation of debris and contaminants, further enhancing the bearing’s longevity.

4. Low Maintenance Requirements:

Due to their self-lubricating properties, POM bearings have low maintenance requirements. Unlike traditional bearings that rely on periodic lubrication to ensure proper operation, POM bearings can operate effectively without the need for frequent lubricant replenishment or maintenance. This characteristic is particularly beneficial in applications where regular maintenance is impractical, time-consuming, or costly.

5. Cost Savings:

The self-lubricating and maintenance-free qualities of POM bearings can result in cost savings for users. With reduced maintenance requirements, there is less need for lubrication equipment, lubricants, and labor associated with lubrication tasks. Additionally, the extended service life of POM bearings reduces the frequency of bearing replacements, leading to lower maintenance and replacement costs over time.

It’s important to note that while POM bearings are known for their self-lubricating qualities, the specific application conditions and requirements should be considered. In certain demanding or high-temperature applications, additional lubrication or alternative bearing materials may be necessary. Consulting with bearing manufacturers or industry experts can help determine the most suitable bearing solution for specific operating conditions.

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 high quality 608 609 Polyurethane Ball Bearing Plastic Coated Colors ABEC-9 ABEC-7   with high qualityChina high quality 608 609 Polyurethane Ball Bearing Plastic Coated Colors ABEC-9 ABEC-7   with high quality
editor by CX 2024-03-25

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