China Custom 625 Zz Plastic Nylon PU POM Coated Ball Bearing PU Deep Groove Ball Bearing with high quality

Product Description

625 ZZ Plastic Nylon PU POM Coated Ball Bearing PU deep groove ball bearing

Product Name 

625 PU Polyurethane Bearing Of Deep Groove Ball Bearing

Brand

TFN / OEM

Model Number

625

Cage Material 

Chrome steel/Brass/Nylon

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 Polyurethane Bearing,what other main bearing do you have?

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

 

Q:Can I get free 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 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

What is the impact of POM bearing design on precision and reliability?

The design of POM (Polyoxymethylene) bearings plays a crucial role in determining their precision and reliability in various applications. The specific design considerations can significantly impact the performance and functionality of POM bearings. Here are some key factors that highlight the impact of POM bearing design on precision and reliability:

1. Bearing Geometry:

The geometry of POM bearings, including dimensions, tolerances, and clearances, directly affects their precision and reliability. Proper design considerations are necessary to ensure the accurate fit and alignment of the bearing within the mating components. Precise geometry helps minimize unwanted play or excessive interference, promoting smooth operation and reducing the risk of premature wear or failure. Careful attention to bearing geometry ensures optimal load distribution, enhances load-carrying capacity, and maintains the desired level of precision and reliability throughout the bearing’s lifespan.

2. Material Selection:

The selection of high-quality POM material for bearing construction is critical for achieving optimal precision and reliability. POM bearings should be made from a reputable source and meet specific material standards to ensure consistent performance. The material composition and manufacturing process determine the mechanical properties, such as strength, hardness, and dimensional stability, which directly impact the bearing’s ability to withstand loads, resist wear, and maintain precision over time.

3. Lubrication System:

The design of the lubrication system for POM bearings influences their precision and reliability. While POM bearings are inherently self-lubricating, certain applications may require additional lubrication to enhance their performance. The design should incorporate appropriate lubrication provisions, such as oil or grease channels, to ensure proper lubricant distribution to critical bearing surfaces. Adequate lubrication reduces friction, minimizes wear, and improves the overall reliability and longevity of the bearing.

4. Sealing and Contamination Protection:

The design of seals or shields for POM bearings is crucial in preventing the ingress of contaminants, such as dirt, dust, or moisture, which can impair precision and compromise reliability. Effective sealing systems should be designed to provide a barrier against external elements while maintaining smooth operation. Proper sealing helps to preserve the lubrication, maintain dimensional stability, and protect the bearing surfaces, contributing to enhanced precision and long-term reliability.

5. Mounting and Assembly:

The design considerations for the mounting and assembly of POM bearings significantly impact their precision and reliability. Proper alignment, appropriate mounting clearances, and correct installation techniques ensure that the bearing operates within its intended specifications. Care must be taken to avoid excessive preload or misalignment, which can lead to increased friction, premature wear, and reduced reliability. Following recommended mounting and assembly procedures helps maintain the desired precision and reliability of POM bearings.

6. Application-Specific Design:

Precision and reliability requirements can vary across different applications. Therefore, the design of POM bearings should consider the specific operating conditions, load requirements, temperature ranges, and environmental factors of the application. Tailoring the bearing design to meet the unique demands of the application ensures optimal performance, extended service life, and reliable operation.

By carefully considering these design factors, POM bearings can be engineered to deliver the desired levels of precision and reliability in a wide range of applications, including automotive, industrial machinery, electrical equipment, and more.

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 Custom 625 Zz Plastic Nylon PU POM Coated Ball Bearing PU Deep Groove Ball Bearing   with high qualityChina Custom 625 Zz Plastic Nylon PU POM Coated Ball Bearing PU Deep Groove Ball Bearing   with high quality
editor by CX 2024-01-11

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