China high quality U Groove Saffron Plastic Nylon Pulley with Bearing (ML-AU054) with Best Sales

Product Description

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


Product Categories


About us

Our factory is specialized in manufacturing non-standard bearing, plastic and metal pulley, bracket pulley, roller, door and window fittings, etc. Relying on a series of advanced processing equipments, skilled workers, strict inspection system, and organized management, we are able to provide good-quality products with competitive price.


 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.




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.


Contact us

HangZhou CHINAMFG Pulley Manufacture Co., Ltd.

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

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Rolling Body: Ball Bearings
The Number of Rows: Single
Outer Dimension: Small (28-55mm)
US$ 0.5/Piece
1 Piece(Min.Order)


Order Sample



Customized Request

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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.

bearing pulley

How do bearing pulleys contribute to cost-effective and reliable mechanical systems?

Bearing pulleys play a crucial role in creating cost-effective and reliable mechanical systems. Their contribution can be seen in several key aspects:

1. Power Transmission Efficiency:

Bearing pulleys enable efficient power transmission in mechanical systems. By providing a smooth and low-friction interface between the pulley and the belt, they minimize energy losses during motion transfer. This efficiency translates into reduced power consumption, which can result in cost savings over the lifetime of the system.

2. Reduced Wear and Maintenance:

High-quality bearing pulleys are designed for durability and longevity. They can withstand heavy loads, resist wear, and require minimal maintenance. By reducing the frequency of repairs and replacements, bearing pulleys contribute to cost-effectiveness and minimize downtime, resulting in increased system reliability.

3. Precise Motion Control:

Accurate and reliable motion control is essential in many mechanical systems. Bearing pulleys, combined with compatible belts, provide precise and consistent motion transfer. This is particularly important in applications such as conveyor systems, where precise positioning and synchronization are critical. The reliability of bearing pulleys ensures consistent performance and reduces the risk of costly errors or disruptions in operation.

4. Versatility and Adaptability:

Bearing pulleys are available in a wide range of sizes, configurations, and materials to suit various mechanical system requirements. They can be customized or selected from standard options to fit specific applications. This versatility and adaptability allow for cost-effective integration into different systems without compromising performance or reliability.

5. Vibration and Noise Reduction:

Bearing pulleys, when properly chosen and installed, contribute to reduced vibration and noise levels in mechanical systems. Excessive vibration can lead to premature wear, increased maintenance, and decreased system reliability. By minimizing vibrations and associated noise, bearing pulleys enhance the overall performance and longevity of the system.

6. Compatibility with Other Components:

Bearing pulleys are designed to be compatible with other system components, such as belts, shafts, and accessories. This compatibility simplifies installation, reduces the risk of compatibility issues, and ensures smooth integration with existing or new mechanical systems. It also contributes to cost-effectiveness by streamlining the assembly and maintenance processes.

In summary, bearing pulleys contribute to cost-effective and reliable mechanical systems through their power transmission efficiency, reduced wear and maintenance requirements, precise motion control, versatility and adaptability, vibration and noise reduction, and compatibility with other components. By selecting high-quality bearing pulleys and incorporating them into mechanical system designs, engineers and system designers can enhance the overall performance, longevity, and cost-effectiveness of the systems they create.

bearing pulley

What maintenance practices should be followed to ensure the smooth operation of bearing pulleys?

To ensure the smooth operation and maximize the lifespan of bearing pulleys, it is important to follow proper maintenance practices. Here are some essential maintenance practices to consider:

1. Regular Inspection:

Perform regular visual inspections of the pulleys and bearings to check for any signs of damage, wear, or misalignment. Look for indications of excessive noise, vibration, or overheating, which may suggest underlying issues.

2. Lubrication:

Proper lubrication is crucial for the smooth operation of bearing pulleys. Follow the manufacturer’s recommendations regarding the type and quantity of lubricant to be used. Regularly lubricate the bearings according to the specified intervals to minimize friction and prevent premature wear.

3. Contamination Control:

Keep the pulley system clean and free from contaminants such as dust, dirt, and debris. Contaminants can enter the bearing area and cause accelerated wear or damage. Use appropriate protective covers or seals to prevent the ingress of contaminants.

4. Belt Tension:

Maintain proper belt tension to ensure optimal power transmission and prevent belt slippage. Incorrect belt tension can impose excessive loads on the pulley bearings, leading to premature failure. Use tensioning devices or follow the recommended tensioning guidelines for the specific pulley system.

5. Alignment:

Proper alignment of the pulley system is essential for smooth operation and to minimize unnecessary stress on the bearings. Ensure that the pulleys are correctly aligned with each other and with the connected shafts. Misalignment can result in increased friction, vibration, and premature bearing wear.

6. Temperature Monitoring:

Monitor the operating temperature of the pulley system regularly. Excessive heat can indicate issues such as inadequate lubrication, overloading, or bearing failure. If abnormal temperatures are detected, investigate and address the underlying causes promptly.

7. Repairs and Replacements:

Address any identified issues promptly by performing necessary repairs or bearing replacements. If a bearing shows signs of significant wear, damage, or failure, it is essential to replace it with a high-quality bearing suitable for the specific application.

By following these maintenance practices, you can ensure the smooth operation, reliability, and longevity of bearing pulleys, reducing the risk of unexpected failures and optimizing the performance of the pulley system.

bearing pulley

Are there different configurations and sizes of bearing pulleys available?

Yes, there are different configurations and sizes of bearing pulleys available to suit various applications and system requirements. Let’s explore the different aspects of configurations and sizes of bearing pulleys:

1. Configuration:

Bearing pulleys can be found in different configurations, each designed for specific purposes:

  • Flat Belt Pulleys: These pulleys have a flat surface and are suitable for use with flat belts or conveyor belts.
  • V-Belt Pulleys: V-belt pulleys have a V-shaped groove that accommodates V-belts, offering better grip and power transmission.
  • Timing Belt Pulleys: Timing belt pulleys have teeth or grooves that mesh with corresponding teeth on timing belts, ensuring precise rotational synchronization.
  • Idler Pulleys: Idler pulleys are used to guide and tension belts in a system, ensuring proper belt alignment and tension.
  • Tensioner Pulleys: Tensioner pulleys are designed to maintain optimal belt tension in belt-driven systems, reducing slippage and improving power transmission.

2. Size:

Bearing pulleys are available in a wide range of sizes to accommodate different applications and load requirements. The size of a bearing pulley is typically determined by its outer diameter, bore diameter, and width. Pulley sizes can vary from small pulleys used in precision equipment to large pulleys used in heavy-duty industrial applications.

3. Material:

As mentioned earlier, bearing pulleys are constructed from various materials such as steel, cast iron, aluminum, nylon, and others. The material selection depends on factors such as load capacity, durability, corrosion resistance, and cost considerations.

4. Customization:

In addition to standard configurations and sizes, bearing pulleys can often be customized to meet specific application requirements. Customization options may include modifications to the pulley design, material selection, surface coatings, and other features tailored to the needs of the system.

Overall, the availability of different configurations, sizes, and customization options allows for the selection of bearing pulleys that best match the requirements of a particular application, ensuring optimal performance and efficiency.

China high quality U Groove Saffron Plastic Nylon Pulley with Bearing (ML-AU054)   with Best Sales China high quality U Groove Saffron Plastic Nylon Pulley with Bearing (ML-AU054)   with Best Sales
editor by CX