China high quality Customized Size White Plastic Nylon Pulleys for Sale with Bearings chain pulley

Product Description



  1. OEM size suit for customers’ requirment
  2. Multiple color can be choosed
  3. Engraved or embossed logo accepted
  4. Large order quantity are able to be fulfilled
  5. Strict quality control system
  6. In time delivery and thoughtful custom-service
  7. Certification: SGS, GB/T 19001-2016, ISO9001:2005
Material Nylon ,mc,nylon,POM,ABS,PU,PP,PE,PTFE,UHMWPE,HDPE,LDPE, PVC,etc.
Color Black, white, red, green, transparent or any color according to Pantone code 
Size As per customer’s requirements
Technology  Injection molding, CNC machining, Extrusion.
Surface Treatment Powder coating, Zinc coating, Galvanization, Electro-deposition coating, Chrome/zinc/nickel plating, Polishing, Silkscreen, Black oxide
Application Automotive, ATV, Mechanical equipment, Construction, Home appliance, Aviation,
Office facilities, Agriculture, etc.
Shippment We have longterm cooperation with internation shipping agent and express company, so that shipping safty and arriving time are secured

Our Factory

Our Machine

Our Certification

Zhongde is a SGS verified manufacture. We have passed ISO9001:2005 quality control certifacation as well as environment management certification.

For fast quotation, please inform below detials;

1. Product type
2. Size (provide samples or 2d/3d drawings for reference)
3. Material specification (or let us using environment)
4. Quantity request
5. Prefer color

Our Advantage:
      OEM service—We are a company specialsing in making OEM mechanical parts in rubber & plastic & pu material,  and we produce according to your samples or drawings ,if they are not available, we design according to your requirements and the application. Various existing molds—We have our own mould factory,and after more than 30 years of continued accumulation, there is a very large amount of moulds ,so that we may save the mould cost for you.

Our Packing

Our usual packaging ways are as followings,or it can be as customer’s request.
We will choose  the shipping methods according to your request.

Contact Us


Shipping Cost:

Estimated freight per unit.

To be negotiated
Certification: ISO
Pulley Sizes: Type D
Manufacturing Process: Forging
US$ 999/Piece
1 Piece(Min.Order)


Order Sample

For sample price, package information, and logisti


Customized Request

step pulley

How are step pulleys customized for specific machinery and equipment?

Step pulleys can be customized to meet the specific requirements of machinery and equipment. Here’s how they are customized:

1. Diameter and Step Configuration:

The diameter and step configuration of a step pulley can be customized to match the desired speed range and speed increments of the machinery. The pulley can be designed with the appropriate number of steps and carefully spaced to achieve the desired speed ratios. This customization ensures that the pulley provides the necessary speed options for the specific application.

2. Material Selection:

Step pulleys can be customized by selecting the appropriate materials based on the machinery’s operating conditions and requirements. Different materials, such as cast iron, steel, or aluminum, offer varying levels of strength, durability, and resistance to wear and corrosion. The choice of material depends on factors such as load capacity, environmental conditions, and the specific application.

3. Belt or Cable Compatibility:

Customization of step pulleys includes ensuring compatibility with the type of belt or cable used for power transmission. The pulley’s steps must be designed to engage effectively with the specific belt or cable type. The shape, profile, and dimensions of the steps are customized to ensure proper belt or cable engagement, minimizing slippage and optimizing power transmission efficiency.

4. Mounting Configuration:

Step pulleys can be customized to match the mounting configuration of the machinery or equipment. This includes considerations such as the pulley’s shaft diameter, keyway size, and overall dimensions. Customizing the mounting configuration ensures proper alignment and secure installation of the pulley within the machinery.

5. Load Capacity:

Customization of step pulleys takes into account the load capacity requirements of the machinery. The pulley’s design and construction are customized to handle the anticipated loads without compromising performance or risking premature failure. This may involve reinforcing the pulley structure or selecting a larger size to accommodate higher loads.

6. Special Features:

In some cases, step pulleys may be customized with special features to cater to specific machinery needs. This can include features such as anti-slip coatings, noise reduction enhancements, or additional components for enhanced safety or functionality. Customization allows the step pulleys to integrate seamlessly within the machinery and optimize its performance.

Customization of step pulleys is typically carried out by manufacturers or specialists who take into account the machinery’s specifications, operating conditions, and performance requirements. By tailoring the design and characteristics of the step pulleys, they can be optimized for reliable and efficient operation within the specific machinery or equipment.

step pulley

How do step pulleys enhance the precision and versatility of machinery and equipment?

Step pulleys play a crucial role in enhancing the precision and versatility of machinery and equipment in various industries. Here are some ways in which step pulleys provide these benefits:

1. Speed Control:

Step pulleys allow for precise speed control in machinery and equipment. By changing the position of the belt on different steps of the pulley, operators can adjust the rotational speed of the driven components. This enables fine-tuning of the machine’s performance to match the specific requirements of the task at hand.

2. Variable Speed Options:

With multiple steps on the pulley, each corresponding to a different speed ratio, step pulleys provide a range of variable speed options. This versatility allows operators to select the most suitable speed for different materials, cutting tools, or processes. It enables customization and optimization of the machine’s performance based on specific applications.

3. Adaptability to Different Materials:

Step pulleys enhance the versatility of machinery by accommodating different materials and workpieces. Different materials often require different cutting speeds or rotational speeds for optimal results. By adjusting the step pulley configuration, operators can easily adapt to various materials, allowing the machine to work efficiently across a wide range of applications.

4. Power Transmission Efficiency:

Step pulleys contribute to power transmission efficiency in machinery and equipment. By selecting the appropriate step and corresponding belt position, the pulley ensures that the power is transmitted efficiently from the driving source to the driven components. This optimization minimizes energy loss and enhances the overall performance of the machine.

5. Precise Control over Operations:

Step pulleys enable precise control over the operations performed by machinery and equipment. The ability to adjust the rotational speed of cutting tools, workpieces, or other driven components allows operators to achieve accurate and consistent results. This precision is vital in applications such as machining, printing, and other processes that require tight tolerances and high-quality outputs.

6. Versatile Applications:

Step pulleys find applications in various industries and machinery types, making them highly versatile components. They are used in machines such as drill presses, lathes, milling machines, automotive transmissions, exercise equipment, and more. This versatility enhances the range of tasks that can be performed by a single machine, making it adaptable to different production requirements.

7. Cost-Effective Solution:

Step pulleys offer a cost-effective solution for achieving variable speed control in machinery and equipment. Compared to more complex speed control mechanisms, step pulleys are relatively simple, reliable, and cost-efficient. They provide an efficient means of adjusting speed without requiring extensive modifications or additional components.

By providing precise speed control, variable speed options, adaptability to different materials, power transmission efficiency, and versatile applications, step pulleys significantly enhance the precision and versatility of machinery and equipment. Their contribution to optimizing performance and achieving high-quality outputs makes them indispensable components in various industries.

step pulley

What is a step pulley, and how does it function in mechanical systems?

A step pulley is a type of pulley that consists of multiple grooved steps or levels of varying diameters on a single pulley wheel. It is commonly used in mechanical systems to provide different speed ratios and adjust the rotational speed of driven components. Here’s how a step pulley functions:

1. Speed Variation:

The main function of a step pulley is to provide different speed ratios by changing the effective diameter of the pulley. The belt or chain used in the system can be moved from one step to another, altering the speed at which power is transmitted from the driving pulley to the driven pulley.

2. Multiple Speed Options:

Each step on a step pulley corresponds to a specific diameter, and thus, a specific speed ratio. By selecting different steps, the rotational speed of the driven component can be adjusted. This allows for multiple speed options without the need for complex transmission systems.

3. Manual Adjustment:

Step pulleys are manually adjustable, meaning the operator can change the speed ratio by physically moving the belt or chain to a different step on the pulley. This adjustability makes step pulleys versatile and suitable for applications where speed changes are required.

4. Mechanical Advantage:

Step pulleys can also provide mechanical advantage in certain applications. By selecting a smaller diameter step, the pulley can effectively increase torque while reducing the rotational speed. This can be advantageous in systems where high torque is required, such as in milling machines or lathes.

5. Simplified Design:

Step pulleys offer a relatively simple and cost-effective solution for speed variation in mechanical systems. Compared to more complex variable speed drives, step pulleys have fewer moving parts and are easier to maintain and repair.

6. Common Applications:

Step pulleys find applications in various machines and equipment, including drill presses, lathes, milling machines, and other power transmission systems where adjustable speeds are necessary.

It’s important to note that step pulleys are limited to discrete speed ratios determined by the available steps on the pulley. For more continuous speed control, other types of transmission systems like variable speed drives or electronic control systems may be required.

China high quality Customized Size White Plastic Nylon Pulleys for Sale with Bearings   chain pulleyChina high quality Customized Size White Plastic Nylon Pulleys for Sale with Bearings   chain pulley
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