China Best Sales POM 608 2RS, Zz Door or Window Pulley Wheels with Ball Bearings Hardware Roller Wheels drive shaft bearing

Product Description

Product Detail

Deep groove ball bearings (GB/T 276-2003) The original list of radial ball bearings is the most widely used rolling bearing. It is characterized by small frictional resistance and high speed. It can be used on parts that bear radial loads or joint loads that act simultaneously in radial and axial directions, and can also be used on parts that bear axial loads, such as small-power motors, Automotive and tractor gearboxes, machine tool gearboxes, general machines, tools, etc.

Model
Product Detail

model 601-608
inner size 8mm
outer size 22mm
width 7mm
weight 0.04kg

Company Profile
Haisai bearing is a regular model industrial manufacturing enterprise integrating bearing product research and development, design, manufacturing, import and export trade. The company was founded in 1998, covers an area of more than 90,000 square meters, plant area of more than 20,000 square meters, more than 200 employees, more than 20 technical engineers, has passed the international/SO9001:2008,1SO/TS16949:2009 and other quality management system certification. In addition, we have 2 factories (located in ZheJiang and HangZhou respectively) and a trading company. We have completed the high-speed forging of bearing steel dock, automatic high-precision grinding, cryoquenching, unitized automatic constant temperature grinding, intelligent assembly and so on, complete profession production. The product size from 30mm-750mm covers single and double row tapered roller bearing, British garden taper roller bearing, deep groove ball bearing, stainless steel shaft reducer special bearings, agricultural equipment bearings, a total of more than 2500 specifications of products.
We have a professional team of excellent quality, the technical center is equipped with all kinds of testing machines, high-precision testing instruments,material analysis instruments and more than 60 sets, for users to design develop, trial-produce all kinds of special purpose bearings, and do our best to provide high-end customers around the world with the best solutions and good after-sales service!
We has many years of experience in the industrial field of bearing supporting and industrial service, the products are exported to the United States, Germany, Italy, France, the Czech Republic, Russia and other European and American countries and supporting enterprises. We both at home and abroad enjoy a good business reputation!
We promise to be responsible for every set of bearings and industrial products sold! Make every customer satisfied, is our constant pursuit!
Company Detail
Digital Workshop

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Packing
Certification

Our company is a large-scale industrial manufacturing enterprise integrating bearing product research and development, design, manufacturing, import and export trade. The company was established in 1998, covering an area of more than 90,000 square meters, with a workshop area of more than 20,000 square meters, more than 200 employees, and more than 20 technical engineers. It has passed international/SO9001: 2008, 1SO/TS16949:2009 and other quality management system certifications.
The company has length measuring instruments, profilers, roundness meters, hardness meters, 3D imagers, vibration meters, flaw detectors, metallographic microscopes and other inspection instruments to meet the requirements of product performance testing, 100% raw material ultrasonic flaw detection, size and shape accuracy inspection, and large-scale bearing magnetic particle flaw detection.
The company has a professional team with excellent quality. The technical center is equipped with more than 60 sets of various testing machines, high-precision testing instruments, and material analysis instruments. It can design, develop, and trial-manufacture various special-purpose bearings for users.
 

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Q&A

Q:What’s your after-sales service and warranty?
A: We promise to bear the following responsibilities when defective products were found:
1. Replacements would be sent with goods of your next order;
2. Refund for defective products if customers require.

Q:Do you accept ODM&OEM orders?
A: Yes, we provide ODM&OEM services to worldwide customers, we also customize OEM box and packing as your requirements.

Q:What’s the MOQ?
A: MOQ is 10pcs for standardized products; for customized products, MOQ should be negotiated in advance. There is no MOQ for sample orders.

Q:How long is the lead time?
A: The lead time for sample orders is 3-5 days, for bulk orders is 5-15 days.

Q:Do you offer free samples? 
A: Yes we offer free samples to distributors and wholesalers, however customers should bear freight. We DO NOT offer free samples to end users. 

Q:How to place order?
A: 1. Email us the model, brand and quantity,shipping way of bearings and we will quote our best price for you; 
2. Proforma Invoice made and sent to you as the price agreed by both parts; 
3. Deposit Payment after confirming the PI and we arrange production; 
4. Balance paid before shipment or after copy of Bill of Loading. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Inner Size: 8mm
Outer Size: 22mm
Width: 7mm
Delivery Time: Within 7 Working Days
Payment: T/T
Weight: 0.04kg
Samples:
US$ 2/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

pom bearing

What are the potential challenges or limitations of using POM bearings in various industries?

Using POM (Polyoxymethylene) bearings in various industries can come with certain challenges and limitations. While POM offers several advantages, it is important to consider the following factors when assessing its suitability for specific applications. Here is a detailed explanation:

1. Temperature Limitations:

POM bearings have temperature limitations compared to other bearing materials. POM has a relatively low melting point and can degrade when exposed to high temperatures for prolonged periods. This temperature sensitivity restricts the use of POM bearings in applications that involve high temperatures, such as certain automotive, aerospace, or industrial processes. It is crucial to ensure that the intended operating temperature falls within the recommended limits to prevent potential bearing failure or performance degradation.

2. Load Capacity:

While POM bearings can withstand moderate to light loads, they have lower load-carrying capacities compared to materials like steel or bronze. Exceeding the recommended load limits can lead to premature wear, deformation, or failure of POM bearings. Therefore, it is essential to carefully evaluate the specific load requirements of the application and select bearings with adequate load capacity to ensure reliable and long-lasting performance.

3. High-Frequency Vibrations:

POM bearings may not be suitable for applications that involve high-frequency vibrations. POM is a relatively low-damping material, meaning it has limited ability to absorb or dampen vibrations. In situations where high-frequency vibrations are present, such as certain rotating or oscillating machinery, POM bearings may experience increased noise, vibration, or accelerated wear. In such cases, alternative bearing materials with better damping properties may be more appropriate.

4. Chemical Compatibility:

While POM has good chemical resistance overall, it may not be compatible with certain aggressive chemicals or solvents. POM can be susceptible to degradation or swelling when exposed to certain substances, which can compromise the performance and integrity of the bearings. It is crucial to evaluate the chemical compatibility of POM with the specific operating environment and ensure that the chosen bearings can withstand the anticipated chemical exposure without adverse effects.

5. Precision Requirements:

High-precision applications may have stringent dimensional accuracy and stability requirements. While POM bearings can offer good dimensional stability, they may not provide the same level of precision as materials like ceramics or specialized steel alloys. In applications where tight tolerances and precise positioning are critical, alternative bearing materials with higher precision capabilities may be more suitable.

6. Lubrication Considerations:

POM bearings have self-lubricating properties, which can be advantageous in certain applications. However, in high-speed or high-load scenarios, additional lubrication may be necessary to optimize performance and reduce friction. The lubrication requirements and compatibility with POM should be carefully evaluated to ensure proper lubrication and prevent premature wear or damage to the bearings.

7. Compatibility with Other Materials:

POM bearings may have limitations in terms of compatibility with other materials in the application. For example, POM may not be suitable for applications where it needs to interact with abrasive or rough surfaces, as it can experience accelerated wear. Additionally, POM may have limitations in terms of its ability to handle certain dynamic or high-impact situations. It is important to consider the specific application requirements and assess the compatibility of POM with other components or materials involved.

In summary, while POM bearings offer several advantages, including low friction, self-lubrication, and dimensional stability, they also have challenges and limitations. These include temperature limitations, load capacity constraints, sensitivity to high-frequency vibrations, chemical compatibility considerations, precision requirements, lubrication needs, and compatibility with other materials. By carefully evaluating these factors and considering alternative bearing materials when necessary, the potential challenges and limitations of using POM bearings can be effectively addressed in various industries.

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

Can you describe the load-carrying capacity and load ratings of POM bearings?

POM bearings have specific load-carrying capacities and load ratings that determine their ability to withstand different types and magnitudes of loads. The load-carrying capacity of a bearing refers to the maximum load it can support without excessive deformation or failure. Here is a detailed explanation of the load-carrying capacity and load ratings of POM bearings:

1. Static Load Capacity:

The static load capacity of a bearing refers to the maximum load it can withstand without causing permanent deformation or damage while the bearing is stationary or subjected to a slow, constant load. POM bearings have a relatively high static load capacity, allowing them to support heavy loads without significant deformation. This property makes POM bearings suitable for applications where the load is applied steadily and remains relatively constant.

2. Dynamic Load Capacity:

The dynamic load capacity of a bearing refers to the maximum load it can withstand while in motion, considering factors such as speed, duration, and impact forces. POM bearings have a lower dynamic load capacity compared to some other bearing materials, such as bronze or steel. They are more suitable for applications involving moderate to light loads and where the load is not subjected to high impact or shock forces. When the load exceeds the dynamic load capacity of a POM bearing, it may experience increased wear, deformation, or failure.

3. Load Ratings:

Bearing manufacturers typically provide load ratings for POM bearings, which indicate the maximum recommended loads for reliable and safe operation. These load ratings take into account factors such as the bearing’s geometry, material properties, lubrication, and operating conditions. The load ratings are usually specified as axial load ratings and radial load ratings.

Axial Load Rating: The axial load rating indicates the maximum load that a POM bearing can withstand in the axial direction, parallel to the bearing axis. It represents the force applied along the shaft or bore of the bearing.

Radial Load Rating: The radial load rating indicates the maximum load that a POM bearing can withstand in the radial direction, perpendicular to the bearing axis. It represents the force applied perpendicular to the shaft or bore of the bearing.

It’s important to consider the load ratings provided by the bearing manufacturer and ensure that the loads in the application fall within the specified limits. Exceeding the load ratings can result in premature wear, excessive deformation, or catastrophic failure of the POM bearings.

Additionally, it’s worth noting that the load-carrying capacity and load ratings of POM bearings can be influenced by factors such as temperature, lubrication, surface finish, and operating conditions. It’s crucial to consider these factors and consult the manufacturer’s recommendations to ensure optimal performance and longevity of POM bearings in specific applications.

China Best Sales POM 608 2RS, Zz Door or Window Pulley Wheels with Ball Bearings Hardware Roller Wheels   drive shaft bearingChina Best Sales POM 608 2RS, Zz Door or Window Pulley Wheels with Ball Bearings Hardware Roller Wheels   drive shaft bearing
editor by CX 2024-03-06

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