China factory 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


Haibite 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.

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.


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.

  /* 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

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


Order Sample



Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

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

nylon pulley

Are there different types of nylon pulleys, and how do they vary in applications?

Yes, there are different types of nylon pulleys available, and their variations in design and characteristics make them suitable for various applications. Here are some common types of nylon pulleys and their respective applications:

1. Solid Nylon Pulleys:

Solid nylon pulleys are made from a single piece of nylon material. They are known for their high strength and durability. These pulleys are commonly used in heavy-duty applications where large loads or high tensions are involved, such as industrial machinery, cranes, and winches. Solid nylon pulleys can withstand heavy loads and provide reliable performance in demanding environments.

2. Nylon Sheave Pulleys:

Nylon sheave pulleys, also known as nylon wheel pulleys, have a grooved design with a central hub and a rim that supports the load-bearing rope or cable. They are often used in lifting and hoisting systems, including block and tackle setups, overhead cranes, and elevators. The grooved design of nylon sheave pulleys helps prevent the rope or cable from slipping off, ensuring secure and efficient operation.

3. Nylon Cable Pulleys:

Nylon cable pulleys are specifically designed for guiding and supporting cables or wires. They are commonly used in cable management systems, electrical installations, and wire rope applications. Nylon cable pulleys have a smooth surface and rounded edges to minimize friction and prevent damage to the cables. Their lightweight construction and corrosion-resistant properties make them suitable for both indoor and outdoor use.

4. Nylon V-Groove Pulleys:

Nylon V-groove pulleys have a V-shaped groove or channel along the circumference of the pulley. They are primarily used in belt and chain drive systems, where the V-groove helps provide proper alignment and tracking of the belt or chain. These pulleys are commonly found in applications such as conveyor systems, agricultural equipment, and power transmission systems.

5. Flanged Nylon Pulleys:

Flanged nylon pulleys have an additional flange or rim extending from the outer edge of the pulley. The flange helps guide and support the belt or rope, preventing it from slipping off the pulley during operation. Flanged nylon pulleys are widely used in machinery and equipment that require precise belt tracking, such as printing presses, packaging machines, and material handling systems.

6. Idler Nylon Pulleys:

Idler nylon pulleys, also known as tensioner pulleys, are used to maintain proper tension in belt-driven systems. They are typically placed in a non-powered position and help redirect and tension the belt. Idler nylon pulleys are commonly used in automotive engines, HVAC systems, and other mechanical systems where belt tensioning is critical for efficient operation.

These are just a few examples of the different types of nylon pulleys available. The choice of a specific type depends on the application requirements, load capacity, environmental conditions, and other factors. It is important to consider the intended application and consult the manufacturer’s specifications to ensure the appropriate nylon pulley is selected for optimal performance and longevity.

nylon pulley

What is the significance of proper alignment and tensioning in nylon pulley systems?

Proper alignment and tensioning are of significant importance in nylon pulley systems. Here’s a detailed explanation of their significance:

  • Efficient Power Transmission:
  • Proper alignment and tensioning ensure efficient power transmission within the pulley system. When the pulleys are correctly aligned, the force applied to the input pulley is effectively transferred to the output pulley, resulting in smooth and efficient movement. Similarly, appropriate tensioning of the system ensures optimal contact between the pulleys and the belt or cable, minimizing slippage and maximizing power transfer. Efficient power transmission enhances the overall performance and effectiveness of the nylon pulley system.
  • Reduced Wear and Tear:
  • Improper alignment and tensioning can lead to increased wear and tear on the pulleys and other system components. Misalignment causes uneven distribution of forces, resulting in excessive stress on particular areas of the pulleys. Over time, this can lead to premature wear, deformation, or damage to the pulleys and associated components. Similarly, insufficient tensioning can cause the belt or cable to slip, leading to accelerated wear and reduced lifespan. Proper alignment and tensioning help minimize wear and tear, extending the longevity of the nylon pulley system.
  • Prevention of Noise and Vibration:
  • Misalignment and improper tensioning can introduce noise and vibration into the pulley system. Misaligned pulleys may cause the belt or cable to rub against the pulley surfaces, generating noise and vibration during operation. Inadequate tensioning can lead to belt or cable slippage, resulting in similar disturbances. By ensuring proper alignment and tensioning, these issues can be mitigated, providing a quieter and smoother operation of the nylon pulley system.
  • Enhanced Safety:
  • Proper alignment and tensioning contribute to the safety of the nylon pulley system. Misaligned pulleys or insufficient tension can cause sudden belt or cable dislodgment, leading to unexpected system failures or accidents. In contrast, when the pulleys are correctly aligned and appropriately tensioned, the system operates with stability and reliability, reducing the risk of malfunctions or hazardous situations. Ensuring proper alignment and tensioning is crucial for maintaining a safe operating environment.
  • Optimal Performance:
  • The overall performance of the nylon pulley system is significantly influenced by proper alignment and tensioning. Well-aligned pulleys with appropriate tensioning minimize energy losses, increase power transmission efficiency, and optimize the system’s performance. The system operates smoothly, with reduced wear, noise, and vibration, delivering the desired output effectively. Proper alignment and tensioning help achieve the highest level of performance from the nylon pulley system.

In summary, proper alignment and tensioning play a crucial role in nylon pulley systems. They ensure efficient power transmission, reduce wear and tear, prevent noise and vibration, enhance safety, and optimize the overall performance of the system. By paying careful attention to alignment and tensioning, the reliability, durability, and effectiveness of the nylon pulley system can be maximized, leading to improved efficiency and longevity.

nylon pulley

What are the benefits of using nylon pulleys in various systems?

Using nylon pulleys in various systems offers several benefits. Here’s a detailed explanation of the advantages of using nylon pulleys:

1. Lightweight and High Strength:

– Nylon pulleys are lightweight yet possess high strength and load-bearing capacity. This makes them ideal for applications where weight reduction is crucial without compromising on performance and durability. The lightweight nature of nylon pulleys allows for easier installation, reduced energy consumption, and improved overall system efficiency.

2. Low Friction and Smooth Operation:

– Nylon pulleys have a low coefficient of friction, resulting in smooth operation. The low friction property reduces wear and tear on both the pulleys and the ropes or cables running through them. It also minimizes the energy required for movement and ensures efficient transmission of force in various systems.

3. Low Noise and Vibration:

– Nylon pulleys contribute to quieter operation and reduced vibrations within systems. The low friction characteristic of nylon reduces noise generation during movement, making them suitable for applications that require noise control or where noise reduction is desired. Additionally, the inherent damping properties of nylon help dampen vibrations, leading to smoother and more stable system operation.

4. Corrosion Resistance:

– Nylon pulleys exhibit excellent resistance to corrosion. Unlike metal pulleys, nylon pulleys are not prone to rust or corrosion when exposed to moisture or chemicals. This corrosion resistance makes nylon pulleys suitable for use in outdoor or harsh environments where exposure to moisture, saltwater, or chemicals is common.

5. Chemical Resistance:

– Nylon pulleys are resistant to a wide range of chemicals, including solvents, oils, acids, and alkalis. This chemical resistance ensures that the pulleys can withstand exposure to various substances without degradation or damage. It makes nylon pulleys suitable for applications in industries where chemical contact or exposure is prevalent, such as chemical processing, pharmaceuticals, or agriculture.

6. Impact Resistance and Durability:

– Nylon pulleys have excellent impact resistance and durability. They can withstand sudden impacts or shock loads without cracking or breaking. This property ensures reliable operation and longevity of the pulleys, reducing maintenance and replacement costs. Nylon pulleys are well-suited for applications that involve frequent impacts or dynamic loads.

7. Dimensional Stability:

– Nylon pulleys exhibit excellent dimensional stability, meaning they maintain their shape and size under different operating conditions. They are resistant to deformation caused by temperature variations, moisture absorption, or prolonged use. The dimensional stability of nylon pulleys ensures consistent and reliable performance over time, contributing to the overall efficiency and longevity of the systems in which they are used.

8. Cost-Effective:

– Nylon pulleys are generally more cost-effective compared to metal pulleys. They offer a favorable balance between performance, durability, and affordability. The lower material and manufacturing costs of nylon pulleys make them a cost-effective choice for various applications, particularly when weight reduction and corrosion resistance are desired without sacrificing strength and reliability.

9. Design Flexibility:

– Nylon is a highly moldable material, allowing for design flexibility in pulley construction. Nylon pulleys can be manufactured in various shapes, sizes, and configurations to meet specific application requirements. This design flexibility enables customization and optimization of pulley systems for different industries and applications.

In summary, the benefits of using nylon pulleys in various systems include their lightweight and high strength, low friction and smooth operation, low noise and vibration, corrosion resistance, chemical resistance, impact resistance and durability, dimensional stability, cost-effectiveness, and design flexibility. These advantages make nylon pulleys a preferred choice in numerous industries and applications, ranging from industrial machinery and equipment to consumer products and recreational systems.

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


Contact Us

As one of the nylon pulley manufacturers, suppliers, and exporters of mechanical products, We offer nylon pulley and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of nylon pulley.

Recent Posts