Tag Archives: ball bearing pulley

China best Best Selling Low Price Dr29 Custom Refrigerator Ball Bearing Pulley with Screws Roller crankshaft pulley

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Product Description


Item No. Door and Window Plastic Bearing Pulley
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.

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Aligning: Aligning Bearing
Separated: Unseparated
Rows Number: Single
US$ 0.5/Piece
1 Piece(Min.Order)


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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.

bearing pulley

How do advancements in bearing technology influence the design of modern bearing pulleys?

Advancements in bearing technology have a significant impact on the design of modern bearing pulleys. These advancements enable improved performance, reliability, and efficiency in bearing pulley systems. Here are some ways in which advancements in bearing technology influence the design of modern bearing pulleys:

1. Enhanced Load Capacity:

New bearing technologies, such as advanced materials and manufacturing techniques, allow for higher load-carrying capacity in modern bearings. This enables the design of bearing pulleys that can handle heavier loads without compromising performance or safety.

2. Reduced Friction and Energy Consumption:

Advancements in bearing technology have led to the development of low-friction bearings, such as ceramic or hybrid bearings. These bearings minimize friction, resulting in reduced energy consumption and improved efficiency in bearing pulley systems. Lower friction also contributes to smoother operation and increased lifespan of the pulleys and associated components.

3. Increased Durability and Longevity:

New bearing materials, surface treatments, and lubrication technologies have improved the durability and longevity of modern bearings. This, in turn, influences the design of bearing pulleys by allowing for longer maintenance intervals, reduced downtime, and increased overall system reliability. Bearings with extended service life can enhance the performance and cost-effectiveness of bearing pulley systems.

4. Improved Sealing and Contamination Resistance:

Modern bearing technologies offer enhanced sealing mechanisms and contamination resistance features. These advancements protect the bearings and pulleys from dust, moisture, and other contaminants, reducing the risk of premature failure and improving the reliability of the pulley system, especially in challenging or harsh operating environments.

5. Compact and Lightweight Designs:

Advancements in materials and manufacturing processes enable the development of compact and lightweight bearing designs. This translates into more compact and lightweight bearing pulleys, which can be beneficial in applications where space is limited or weight reduction is desired. Compact and lightweight pulleys also contribute to improved system efficiency and reduced inertia.

6. Integration with Sensor Technology:

With the rise of Industry 4.0 and the Internet of Things (IoT), bearing pulleys can now be designed to integrate with sensor technology. Bearings equipped with sensors can provide real-time monitoring of parameters such as temperature, vibration, and load, enabling predictive maintenance and early detection of potential issues. This integration enhances the overall reliability and safety of bearing pulley systems.

Overall, advancements in bearing technology drive innovation in the design of modern bearing pulleys. These advancements enable higher load capacity, reduced friction, increased durability, improved sealing, compact designs, and integration with sensor technology. As a result, modern bearing pulleys offer improved performance, reliability, and efficiency in various industrial applications.

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

In which applications and industries are bearing pulleys commonly used?

Bearing pulleys find extensive applications in various industries and systems due to their versatility, load-bearing capabilities, and smooth operation. Let’s explore the common applications and industries where bearing pulleys are commonly used:

1. Conveyor Systems:

Bearing pulleys are widely employed in conveyor systems across industries such as manufacturing, mining, logistics, and material handling. They facilitate the movement of conveyor belts, enabling the efficient transport of goods, raw materials, or products within a facility or between different locations.

2. Lifting and Hoisting Equipment:

In lifting and hoisting equipment, such as cranes, elevators, and construction machinery, bearing pulleys play a crucial role. They are used to support and guide cables or ropes, allowing the lifting or lowering of heavy loads. Bearing pulleys ensure smooth and controlled movement, enhancing the safety and efficiency of these lifting systems.

3. Automotive Industry:

The automotive industry extensively utilizes bearing pulleys in various applications. They are found in engines, where they assist in driving auxiliary systems such as water pumps, power steering systems, and air conditioning compressors. Bearing pulleys in automotive applications are designed to withstand high temperatures, speeds, and loads.

4. Gym and Fitness Equipment:

Bearing pulleys are commonly used in gym and fitness equipment, including cable machines, weightlifting systems, and exercise stations. They enable smooth and controlled movement of cables and provide adjustable resistance levels for different exercises. Bearing pulleys in fitness equipment contribute to a pleasant workout experience and ensure the durability of the equipment.

5. Agricultural Machinery:

In the agricultural sector, bearing pulleys are utilized in various machinery and equipment, such as harvesters, tractors, and irrigation systems. They are employed to transmit power, change the direction of force, or facilitate the movement of belts or chains in agricultural machinery.

6. Manufacturing and Industrial Machinery:

Bearing pulleys are essential components in manufacturing and industrial machinery. They are utilized in equipment such as printing machines, packaging machines, textile machinery, and assembly lines. Bearing pulleys assist in power transmission, direction changes, and maintaining smooth operation in these industrial systems.

7. Marine and Maritime Applications:

In marine and maritime applications, bearing pulleys are found in equipment such as winches, davits, and marine cranes. They are critical for the handling of maritime cargo, anchoring systems, and other marine operations, providing reliable and efficient load-bearing capabilities.

These are just a few examples of the many applications and industries where bearing pulleys are commonly used. Their versatility, load-bearing capabilities, and ability to reduce friction make them indispensable components in a wide range of mechanical systems and devices.

China best Best Selling Low Price Dr29 Custom Refrigerator Ball Bearing Pulley with Screws Roller   crankshaft pulley	China best Best Selling Low Price Dr29 Custom Refrigerator Ball Bearing Pulley with Screws Roller   crankshaft pulley
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