China best High-Stability Smooth Mute Waterproof Nylon/POM Balls Bearing Pulley 12*28*8mm pulley assembly

Product Description

 

Detailed Photos

 

 

Product Description

 

Item No. Plastic POM Ball Bearing
Dimensions OEM ODM
Material Bearing -Chrome steel, carbon steel, stainless steel
Plastic part- POM/ Nylon6 /Nylon66 +GF/PU/Rubber
Housing part – Plastic(Nylon)/ Steel/ Zinc alloy die casting / Aluminium profile/ alu. Alloy die casting
Color Original/black/white/Red/ Green/ Orange, or per customers’ requirement
Surface Treatment Zinc plated/Nickle Plated/Black treatment/ Painting/Electrophoretic treatment
Features heavy-duty,adjustable,low noise,easy installation,sliding smoothly,long life,standard,customized,etc.
Application Sliding window and door, Sliding accessories, furniture accessories etc.
Packaing Foil bag+Neutral Carton+Pallet, or per customers’ requirement
MOQ 1000 pcs
Lead Time According to the order q’ty
OEM& ODM Technical drawing or sample is needed

Company Profile

 

ABOUT US
CHINAMFG was set up in 1996 and located at HangZhou, a beautiful city in China. Our company is bearing manufacturer&bearing distributor. Since it was first established, CHINAMFG was dedicated in research, development and manufacture of bearings. Now, CHINAMFG has become main and 1 of the first grade suppliers of all kinds of bearings. We could develop the products constructed from different materials, structures, shapes, colors etc.
WELCOME TO THE CLUB!

1. Our rollers are in stable quality with smooth rotation, long life operation, small movement, advanced injection technology engineering etc.

2. The Adjustable Rollers with smooth and long lasting operation, higher performing features like wider adjustment ranges, long rolling life performance, easy installment. It’s available in multiple housing choices with any wheels to fit different aluminnum. Our roller ensure alignment across the full adjustment ranges within built-in retention system.

3. The customized hardware, like plastic parts, stamping patrs, cold forging steel patrs are widely applied in the window and doors, furniture, householders, transmission system, industrial drive system etc.

We are constantly improving and striving for excellent service. We hold a very high regard for our customers, the quality of our products, and our level of customer service.

FAQ

1. who are we?
We are based in ZheJiang , China, start from 2017,sell to North America(1.00%),Africa(1.00%),Western Europe(1.00%),Southern Europe(1.00%). There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Bearing cage,Bearing pulley,Plastic products,Miniature bearing,Needle roller bearing

4. why should you buy from us not from other suppliers?
Hardware pulley source factory,20 years professional bearing pulley experience

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW;
Accepted Payment Currency:USD,EUR,JPY,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A;
Language Spoken:English,Chinese,Spanish,Japanese,F

 

Our Advantages

Sliding glass doors are becoming more and more popular, because of the view and natural lighting that they provide. But there can be some difficulty when it comes to maintaine them, such as the rollers have worn out. The key part is knowing which roller matches the original. Many people believe that alternatives can be found by identifying the door manufacturer individually. Actually, Most rollers are generic and used by various door manufacturers.

As the professional manufacturer of sliding rollers, we use various identifying characteristics to determine the best replacement option for your door. In addition to the number of wheels your roller uses to support the door, the presence of dimples, bumps, cut-outs and flared edges on the rollers housing will narrow down replacement options substantially. The way that the assembly installs in the door frame is also vital. The key dimensions to confirm a replacement include the width and height of the roller’s outer housing, as well as the diameter of the wheel. In addition to the diameter of the wheels, the material that they’re made of, steel or nylon, is also a factor. Long-term, metal wheels are known to hold up better but they can also cause the track to wear out faster, especially on heavy doors. Nylon wheels tend to be kinder to the track but may not last as long as their steel counterparts.

 

Purchase Notice

1.Pls send us an inquiry or leave us a message, there will be a dedicated staff to serve you within 1 hours.
2.You can ask us to take actual photos of the products for you, and free samples would be provided.
3. Welcome to visit our factory to negotiate orders, we will do our best to protect the safety of your business journey.
4. Packaging can be customized according to customer requirements
Finally, Please be sure to click “Contact supplier” to contact us, or “Call us” with any questions that you may have.

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Contact Angle: Injection Molding
Aligning: Non-Aligning Bearing
Separated: Unseparated
Samples:
US$ 0.08/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

plastic pulley

Are there any limitations or temperature constraints with plastic pulleys?

Yes, there are certain limitations and temperature constraints associated with plastic pulleys. Here’s a detailed explanation:

1. Load Capacity:

Plastic pulleys have a limited load capacity compared to their metal counterparts. While they are suitable for many light to moderate load applications, they may not be suitable for heavy-duty or high-load scenarios. Exceeding the recommended load capacity of plastic pulleys can lead to deformation, premature wear, or failure of the pulley, compromising the overall performance and reliability of the system.

2. Temperature Sensitivity:

Plastic pulleys can be sensitive to temperature variations. Extreme heat or cold can affect the mechanical properties of the plastic material, leading to dimensional changes, reduced strength, or increased brittleness. High temperatures can cause the pulleys to deform or soften, while low temperatures can make them more prone to cracking or breakage. Therefore, it is important to consider the temperature range in which plastic pulleys will be operating and choose materials that can withstand the specific environmental conditions.

3. Thermal Expansion:

Plastic pulleys can exhibit thermal expansion, meaning they may expand or contract with changes in temperature. This can affect the precision and alignment of the pulley system. In applications where precise positioning or tight tolerances are required, thermal expansion of the plastic pulleys should be taken into account to ensure proper functioning of the system. Compensation techniques, such as using adjustable mounting brackets or incorporating thermal expansion calculations, may be necessary to maintain alignment under varying temperature conditions.

4. Chemical Compatibility:

Some plastic materials used in pulleys may not be compatible with certain chemicals or solvents. Exposure to chemicals that are incompatible with the plastic material can lead to degradation, discoloration, or weakening of the pulleys. It is important to consider the chemical environment in which the plastic pulleys will be used and select materials that are resistant to the specific chemicals present in that environment.

5. UV and Weather Resistance:

Not all plastic materials used in pulleys have excellent resistance to ultraviolet (UV) radiation or outdoor weather conditions. Prolonged exposure to sunlight or harsh weather elements can cause degradation, discoloration, or loss of mechanical properties in certain plastics. If plastic pulleys are intended for outdoor or UV-exposed applications, it is crucial to choose materials that are UV-resistant and weather-resistant to ensure long-term durability and performance.

6. Static Electricity:

Some plastic pulleys can generate static electricity during operation. This can be a concern in certain applications where static discharge can interfere with sensitive electronic components or create safety hazards in potentially explosive environments. In such cases, anti-static or conductive plastic materials may need to be used to mitigate the risks associated with static electricity generation.

In summary, plastic pulleys have limitations and temperature constraints that should be considered during their selection and application. These limitations include load capacity, temperature sensitivity, thermal expansion, chemical compatibility, UV and weather resistance, and static electricity generation. By understanding and addressing these constraints, it is possible to use plastic pulleys effectively and ensure their optimal performance and longevity in various mechanical systems.

plastic pulley

What safety considerations should be kept in mind when using plastic pulleys?

When using plastic pulleys, several safety considerations should be kept in mind to ensure the well-being of operators and the proper functioning of machinery or equipment. Here’s a detailed explanation:

1. Load Capacity:

One important safety consideration is to ensure that the plastic pulleys are selected and designed to handle the anticipated loads and forces in the application. Exceeding the load capacity of the pulleys can lead to premature failure, belt or chain slippage, or even catastrophic accidents. It is essential to consult the manufacturer’s specifications and guidelines to determine the maximum load capacity of the plastic pulleys and ensure they are not overloaded.

2. Material Compatibility:

Consider the compatibility of the plastic pulley material with the surrounding environment and the materials it comes into contact with. Some chemicals, solvents, or extreme temperatures may adversely affect certain types of plastic. Ensure that the chosen plastic material is resistant to the specific chemicals or conditions present in the application to avoid material degradation, weakening, or failure of the pulleys.

3. Proper Installation:

Correct installation of plastic pulleys is crucial for safety. Follow the manufacturer’s instructions and guidelines for proper pulley installation, including mounting options, alignment, and fastening mechanisms. Improperly installed pulleys can lead to misalignment, belt or chain disengagement, excessive vibrations, or other operational issues that compromise safety. Ensure that pulleys are securely attached and aligned to prevent accidents or damage to the machinery or equipment.

4. Guarding and Enclosures:

Consider incorporating appropriate guarding and enclosures around the plastic pulleys to prevent accidental contact with moving parts. This is especially important in conveyor systems or machinery where operators or maintenance personnel may need to interact with the pulleys. Guards and enclosures help prevent injury caused by entanglement, pinching, or getting caught in the rotating components, enhancing overall safety in the work environment.

5. Regular Inspection and Maintenance:

Regular inspection and maintenance of plastic pulleys are essential for identifying any signs of wear, damage, or degradation. Inspect the pulleys periodically to check for cracks, excessive wear, or any other visible issues. Replace any damaged or worn-out pulleys promptly to avoid unexpected failures or accidents. Additionally, follow the manufacturer’s recommendations for lubrication, cleaning, or any other maintenance procedures to ensure the pulleys function optimally and safely.

6. Training and Awareness:

Proper training and awareness among operators and maintenance personnel are essential for safe operation and handling of machinery or equipment with plastic pulleys. Ensure that personnel are trained on the correct procedures for operating, maintaining, and troubleshooting the equipment. They should be aware of the potential hazards associated with plastic pulleys and understand the safety protocols to follow, including lockout/tagout procedures, emergency stop mechanisms, and personal protective equipment requirements.

7. Compliance with Regulations:

Ensure that the use of plastic pulleys complies with relevant safety regulations, standards, and guidelines specific to the industry or region. Different industries may have specific requirements for safety, such as those related to food processing, hazardous environments, or machinery certification. Adhering to these regulations helps ensure that the plastic pulleys and associated machinery or equipment meet the necessary safety standards.

By considering these safety considerations when using plastic pulleys, operators can minimize risks, prevent accidents, and ensure the safe and efficient operation of machinery or equipment in various industrial applications.

plastic pulley

What is a plastic pulley, and how does it compare to other types of pulleys?

A plastic pulley is a type of pulley made primarily from plastic materials, such as nylon, polyethylene, or polycarbonate. It is designed to perform similar functions as other types of pulleys but offers distinct advantages and considerations. Here’s a detailed comparison of plastic pulleys with other types of pulleys:

1. Material:

Plastic pulleys are specifically engineered to be lightweight and durable. They are resistant to corrosion, moisture, and many chemicals, making them suitable for various environments. In contrast, other types of pulleys, such as metal pulleys, may be heavier and prone to rust or corrosion without proper protection.

2. Cost:

Plastic pulleys tend to be more cost-effective compared to metal pulleys or pulleys made from other materials like ceramic or glass. The manufacturing process for plastic pulleys is generally less expensive, resulting in lower production costs and, consequently, lower prices for consumers.

3. Noise and Vibration:

Plastic pulleys often provide quieter operation compared to metal pulleys. The inherent damping properties of plastic materials help reduce noise and vibration during pulley rotation. This makes plastic pulleys suitable for applications where noise reduction is desired, such as in household appliances or office equipment.

4. Friction and Wear:

Plastic pulleys generally have lower friction coefficients compared to metal pulleys. This can result in reduced wear and tear on the pulley itself and the associated components, such as belts or ropes. However, it’s important to note that the selection of the appropriate plastic material and design considerations are crucial to ensure sufficient strength and wear resistance for the intended application.

5. Load-Bearing Capacity:

While plastic pulleys can handle moderate loads, they may have lower load-bearing capacities compared to metal pulleys. Metal pulleys, especially those made from robust materials like steel or cast iron, are typically stronger and capable of withstanding higher loads. Therefore, in heavy-duty applications or situations where significant forces are involved, metal pulleys may be preferred.

6. Temperature Resistance:

Plastic pulleys have varying temperature resistance depending on the specific material used. Some plastics can withstand a wide temperature range, while others may have limitations. For example, nylon can handle higher temperatures compared to polyethylene. In contrast, metal pulleys generally have higher temperature resistance, making them suitable for high-temperature environments.

7. Application Specificity:

The choice between plastic pulleys and other types of pulleys often depends on the specific application requirements. Plastic pulleys are commonly used in light to moderate load applications, such as in small appliances, office equipment, or recreational devices. Metal pulleys, on the other hand, are often preferred in heavy-duty applications, industrial machinery, or situations where high strength and durability are paramount.

8. Customization:

Plastic pulleys offer flexibility in terms of design and customization options. They can be easily molded into various shapes and sizes, allowing for specific features or geometries to be incorporated. This makes plastic pulleys suitable for applications where precise customization is required. Metal pulleys may require more extensive machining or manufacturing processes for customization.

In conclusion, plastic pulleys offer unique advantages such as lightweight construction, corrosion resistance, cost-effectiveness, noise reduction, and design flexibility. However, they may have limitations in terms of load-bearing capacity and temperature resistance compared to metal pulleys. The choice between plastic pulleys and other types of pulleys depends on factors such as application requirements, load conditions, environmental considerations, and budget constraints.

China best High-Stability Smooth Mute Waterproof Nylon/POM Balls Bearing Pulley 12*28*8mm   pulley assembly	China best High-Stability Smooth Mute Waterproof Nylon/POM Balls Bearing Pulley 12*28*8mm   pulley assembly
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