China Standard 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.

bearing pulley

Can bearing pulleys be customized or adapted for specific industrial needs?

Yes, bearing pulleys can be customized or adapted to meet specific industrial needs. Manufacturers often offer customization options to tailor bearing pulleys for different applications. Here are some ways in which bearing pulleys can be customized or adapted:

1. Bearing Selection:

Depending on the specific industrial needs, different types of bearings can be selected for bearing pulleys. Manufacturers can offer a range of bearing options, including deep groove ball bearings, angular contact bearings, cylindrical roller bearings, or tapered roller bearings. The selection of the bearing type and size is based on factors such as load requirements, rotational speed, and environmental conditions.

2. Material Selection:

The choice of materials for bearing pulleys can be customized to suit specific industrial needs. Different materials, such as steel, stainless steel, or thermoplastics, can be used based on factors like corrosion resistance, temperature resistance, weight reduction, or specific industry requirements (e.g., food-grade materials for the food industry).

3. Coatings and Surface Treatments:

Bearing pulleys can be customized with various coatings or surface treatments to enhance their performance or protect them from specific environmental conditions. For example, pulleys can be coated with corrosion-resistant materials, such as zinc or nickel plating, or undergo surface treatments like black oxide treatment for improved wear resistance.

4. Sealing Options:

Manufacturers can provide different sealing options for bearing pulleys to prevent the ingress of contaminants or to ensure compatibility with specific operating environments. Sealing options may include shields, seals, or labyrinth seals, which can be selected based on the desired level of protection against dust, moisture, or other contaminants.

5. Size and Configuration:

Bearing pulleys can be customized in terms of size, configuration, and geometry to fit specific installation requirements. Different diameters, widths, or groove profiles can be chosen to accommodate the belt size, tension requirements, or space limitations of the application.

6. Integration with Accessories:

Depending on the industrial needs, bearing pulleys can be customized to integrate with various accessories or components. This may include adding flanges, keyways, set screws, or specific mounting arrangements to facilitate easy installation, alignment, or connection with other equipment in the system.

Overall, bearing pulleys can be customized or adapted in terms of bearing selection, material choice, coatings, sealing options, size, configuration, and integration with accessories. Working closely with manufacturers or bearing experts can help identify the most suitable customization options to meet specific industrial needs and optimize the performance and reliability of the bearing pulley system.

bearing pulley

What are some real-world examples of bearing pulleys in industrial machinery?

Bearing pulleys are widely used in various types of industrial machinery to transmit power, change direction, or facilitate movement. Here are some real-world examples of industrial machinery where bearing pulleys play a crucial role:

1. Conveyor Systems:

In industries such as manufacturing, logistics, and mining, conveyor systems are used to transport materials or products from one location to another. Bearing pulleys are utilized in the conveyor belt systems to support and guide the movement of the belt, enabling efficient and continuous material handling.

2. HVAC Systems:

In heating, ventilation, and air conditioning (HVAC) systems, bearing pulleys are employed in belt-driven fans and blowers. These pulleys help drive the rotation of fans, allowing the circulation of air and maintaining the desired temperature and air quality in buildings, factories, and other facilities.

3. Printing Machinery:

In printing presses and other printing machinery, bearing pulleys are utilized to drive the rotation of various rollers. These rollers are responsible for feeding paper, applying ink, and transferring printed materials. The precise movement and synchronization of these rollers are crucial for achieving high-quality printing results.

4. Industrial Mixers:

In mixing and blending equipment used in industries such as food processing, pharmaceuticals, and chemicals, bearing pulleys are employed to drive the rotation of mixing blades or agitators. These pulleys facilitate the efficient blending of ingredients, ensuring uniformity and consistency in the final product.

5. Machine Tools:

In machine tools such as lathes, milling machines, and drills, bearing pulleys are used to transmit power and control the rotational movement of components such as spindles or cutting tools. These pulleys enable precise machining operations and contribute to the overall accuracy and performance of the machine tool.

6. Material Handling Equipment:

In equipment such as forklifts, cranes, and hoists, bearing pulleys are utilized to support and guide the movement of load-bearing components. These pulleys enable smooth lifting, lowering, and horizontal movement of heavy loads, ensuring safe and efficient material handling operations.

These are just a few examples of the diverse applications of bearing pulleys in industrial machinery. Bearing pulleys are versatile components that provide reliable power transmission and movement solutions in various industrial settings.

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