China factory POM Wheel Nylon Wheel Zinc Bracket Window Bearing with RoHS (ML-FD017) double row ball bearing

Product Description

HangZhou CZPT PULLEY MANUFACTURE CO., LTD. has been specialized in manufacturing Plastic Pulley/Rollers, Die-punching Pulley/Bearing, and Non-standard Bearings for about 25 years. It is located in HangZhou city of ZHangZhoug Province, which has convenient transportation benefited from Nignbo Seaport, HangZhou International Airport and the highway networks. Our company covers an area of 7000 m², with building area of 10500 m². Relying on advanced processing equipments and technology, and strict inspection system, our company is CZPT to provide good-quality and competitive products, and has gained a good reputation among customers.
We are committed  to developing  and designing  different  kinds of non-standard pulley  bearings, with an annual production  capacity  of 120 million sets. We export to more than 70 countries  and areas, like USA, Canada, Spain, Germany, France and Italy, etc.
Our company maintains our quality system to ISO 9001:2000, and has been audited by SGS for our production operations. We will continuously seek to provide our customers with good-quality products, excellent service and most competitive price. We look forward to building long-term business relationship with you and achieving our mutual benefits.
 

About us

name POM wheel Nylon Wheel Zinc Bracket Window Bearing with ROHS (ML-FD017)
Brand  name According to customers’ requirements
Size As per the customer’s technic drawing or samples
material pom,pa6,pa66,nylon,pvc,abs…wheels,Aluminium,Zinc,Stainless steel frame
Technical process bearing production assembling,zinc plating,injection,turning
Color orange,white,black,yellow
Types customized
Payment terms A:100% TT
B: 30% T/T in advance .70% against copy of  B/L
Application caster wheel , small pulley , window , sliding door ,door closet wardrobe system…
Product Description 1.Item No.: as shown in the picture.
2.Material: steel/zinc/aluminum/plastic bracket + ball bearing / needle bearing wheel
3.For some models, the height of the roller is adjustable.
4.Color of the wheel: red, green, white, orange, etc.
5.Application: sliding door and window, binds, rolling shutters, furniture, conveyor belt, etc.
6.Normal packing: poly bag + outer carton

 

 

Contact Us

HangZhou CZPT Pulley Manufacture Co., Ltd.

WEB: http://nbminli /  
ADDRESS: No.9 CZPT Road, CZPT Industrial Zone, Xihu (West Lake) Dis. District, HangZhou, China

Comparable products

 

FAQ

Q: How to get a quotation and start business relationship with your company?
 A: Please send us email and our sales representive will contact you as soon as we receive your email.
Q: How to receive a quotaion in the shortest time?
 A: When you send us an enquiry, please try to provide more details, such as product size, photo or drawing, order quantity, etc. 
Q: How to start an OEM project with your company?
 A: Please send us your designed drawings or original samples so that we can offer a quotation first. If all details are confirmed, we will arrange sample production once received your deposit .
Q: What’s your MOQ?
A: The MOQ depends on the design and production processes of the products. Nomally our company MOQ is 10000pc , but it can be much more or less depending on different product types. Therefore, we recommend you to tell us your required quantity first.
Q:How long can I receive an order?
A: That depends on the specific items and your order quantity. The lead time varies from 30 to 90 days.

Why choose us

 

1.Professional experience: almost 20 years’ expenience in non-standard bearings, rollers, pulleys, and other plastic accessories for door and window.
2.Popular over the world: over 20 market countries.
3.Advantage: good quality with competitive price.
4.OEM offered: technical drawings, samples or photos are needed.

For more information, please visit http://nbminli /  

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After-sales Service: Online Technical Support
Warranty: 2 Year
Certification: ISO, RoHS
Samples:
US$ 1/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

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Payment Method:







 

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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 explain the maintenance and lubrication requirements for POM bearings?

Maintenance and lubrication play crucial roles in ensuring the optimal performance and longevity of POM (Polyoxymethylene) bearings. Here is a detailed explanation of the maintenance and lubrication requirements for POM bearings:

1. Inspection and Cleaning:

Regular inspection of POM bearings is essential to identify any signs of wear, damage, or contamination. Visual inspection can help detect issues such as excessive wear, cracking, or deformation. If any abnormalities are found, the bearing should be replaced or repaired promptly. Additionally, periodic cleaning of the bearings can remove dirt, dust, or debris that may accumulate over time, ensuring smooth operation and minimizing the risk of premature failure.

2. Lubrication:

POM bearings have inherent self-lubricating properties; however, certain applications may still require additional lubrication to optimize performance. The lubrication requirements for POM bearings depend on factors such as load, speed, temperature, and operating environment. Here are some important considerations for lubricating POM bearings:

  • Type of Lubricant: It is recommended to use lubricants specifically designed for POM materials. Common lubricants suitable for POM bearings include oils, greases, or solid lubricants. The lubricant should be compatible with POM and provide adequate lubrication under the operating conditions.
  • Appropriate Lubrication Method: The lubrication method should ensure proper distribution of the lubricant to the bearing surfaces. Depending on the application and accessibility, lubrication can be carried out through methods such as oil bath or oiling, greasing, or using centralized lubrication systems. Following the manufacturer’s guidelines or industry best practices for lubrication is crucial to achieve optimal performance.
  • Lubrication Interval: The frequency of lubrication depends on the specific operating conditions and the lubricant used. It is important to establish a regular lubrication schedule based on factors such as operating hours, temperature, load, and the lubricant’s performance characteristics. Regular lubrication helps to maintain the desired level of friction reduction, prevent excessive wear, and extend the service life of POM bearings.
  • Quantity of Lubricant: The appropriate amount of lubricant should be applied to ensure sufficient coverage and film formation on the bearing surfaces. Insufficient lubrication may result in increased friction and wear, while excessive lubrication can lead to overheating or leakage. Following the manufacturer’s recommendations or consulting with lubrication experts can help determine the optimal lubricant quantity.

3. Environmental Considerations:

The operating environment can impact the maintenance and lubrication requirements for POM bearings. Factors such as temperature extremes, exposure to chemicals, moisture, or contaminants may necessitate additional maintenance measures. For example, in high-temperature environments, selecting lubricants with appropriate temperature resistance and periodic monitoring of bearing performance become crucial. Similarly, in chemically aggressive environments, selecting compatible lubricants and implementing appropriate sealing systems are important to protect the bearings from degradation or failure.

4. Consultation and Expertise:

When it comes to maintenance and lubrication of POM bearings, it is advisable to consult with bearing manufacturers, industry experts, or maintenance professionals. They can provide specific guidance based on the application requirements, operating conditions, and best practices. Following the recommended maintenance procedures, lubrication intervals, and using quality lubricants can help ensure the optimal performance and service life of POM bearings.

By adhering to proper maintenance practices and implementing suitable lubrication strategies, POM bearings can deliver reliable performance, minimize wear, and extend their operational lifespan in various applications.

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 factory POM Wheel Nylon Wheel Zinc Bracket Window Bearing with RoHS (ML-FD017)   double row ball bearingChina factory POM Wheel Nylon Wheel Zinc Bracket Window Bearing with RoHS (ML-FD017)   double row ball bearing
editor by CX 2024-01-11

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