China supplier Agricultural Synchronous Aluminum Timing Spinning Taper Lock Bush Idler Flat Poly Grooved Sheave Wheel Adjustable Crankshaft Alternator Tension V Belt Pulley pulley belt

Product Description

Agricultural Synchronous Aluminum Timing Spinning Taper Lock Bush Idler Flat Poly Grooved Sheave Wheel Adjustable Crankshaft Alternator Tension V Belt Pulley

Product Description

Pulleys belonging to wheel hub components are generally large in size, and their manufacturing processes are mainly casting and forging. Generally, the design with large size is cast iron (good casting performance), and cast steel is rarely used (poor casting performance); Generally, the smaller size can be designed as forgings and the material is steel. Belt pulley is mainly used for long-distance power transmission, such as the output of small diesel engines, agricultural vehicles, tractors, automobiles, mining machinery, mechanical processing equipment, textile machinery, packaging machinery, lathes, forging machines, power transmission of some small horsepower motorcycles, power transmission of agricultural machinery, air compressors, reducers, reducers, generators, cotton ginners, etc.

V-Belt Pulley:

 The specifications of V-belts are divided by the dimensions of back width (top width) and height (thickness). According to different dimensions of back width (top width) and height (thickness), V-belts of different standards have different models. The pitch width, top width and height of V-belts of each model are different, so the pulley must also make various groove types according to the shape of V-belts; These different groove types determine various types of pulley.

American Standard   
AK/AKH BK/BKH TA/TB/TC Series Sheaves
B/C/D Series Sheaves
Poly-V Sheaves
Variable Speed Sheaves
3V/5V/8V sheaves Bushings
Split Taper Bushings/QD Bushings/TB Bushings

European standard  (SPA CHINAMFG SPC SPZ)


Belt Pulleys for Taper Bushings

V belt pulley with CHINAMFG hub

Adjustable Speed V Belt Pulleys

Flat Belt Pulleys For Taper Bushes

Timing pulley:
The synchronous pulley drive is composed of a closed annular belt with equidistant teeth on the inner surface and corresponding pulley. When moving, the belt teeth mesh with the grooves of the belt pulley to transmit motion and power. It is a kind of meshing transmission, which has various characteristics of gear transmission, chain transmission and belt transmission. Widely used in automobile, textile, printing and packaging equipment, sewing equipment, office equipment, laser carving equipment, tobacco, financial machinery, stage lighting, communication and food machinery, medical machinery, steel machinery, petrochemical industry, instruments and meters, various precision machine tools and other fields

Spinning pulley:

Spinning is to fix the flat or hollow blank on the mold of the spinning machine. When the blank rotates with the main shaft of the machine, the blank is pressurized with a roller or driving rod to produce local plastic deformation. Spinning is a special forming method. 
Agricultural pulley:
Agricultural pulley refers to the parts that can be used to repair and replace your agricultural machinery pulley, such as lawn mower and rotary tiller. Our agricultural pulley can perfectly replace various brands, including john deere

Custom pulley:


Bore type: pilot bore, finished bore, taper bore, bore for QD bushing.
Surface finish: Black oxide, phosphate, painted, Zinc plate, or passivated.
Material: 5C, cast iron, ductile iron, GG25, GGG40, nylon, aluminum, etc.
Inspection: Dynamic balance & Static balance tests are available with standardized design and well-equipped CNC Machining Systems.
Made according to drawings or samples, OEM inquiries are welcomed.

Related products


Company Profile

Production process


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Certification: CE, ISO
Pulley Sizes: Type F
Manufacturing Process: Forging
Material: Carbon Steel
Surface Treatment: Baking Paint
Application: Chemical Industry, Grain Transport, Mining Transport, Power Plant
US$ 80/Piece
1 Piece(Min.Order)

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Customized Request

idler pulley

How do idler pulleys enhance the efficiency and longevity of machinery and equipment?

Idler pulleys play a crucial role in enhancing the efficiency and longevity of machinery and equipment in several ways:

1. Belt Tension and Alignment:

Idler pulleys help maintain proper tension and alignment of belts in belt-driven systems. By applying the right amount of tension, idler pulleys prevent belt slippage and ensure efficient power transmission. Proper alignment reduces wear on belts and other components, minimizing energy losses and extending the lifespan of the equipment.

2. Reduced Bearing Load:

Idler pulleys distribute the load on the belt, reducing the load on the bearings of other rotating components. This helps prevent premature bearing failure and extends the life of bearings, reducing maintenance requirements and downtime.

3. Vibration Damping:

Idler pulleys can absorb and dampen vibrations that occur during operation. By reducing vibrations, idler pulleys minimize stress on the belt and other components, improving overall system performance and reducing the risk of component failure.

4. Belt Span Length:

Idler pulleys enable longer belt spans, which can reduce the number of required pulleys and overall system complexity. Longer belt spans provide smoother power transmission, minimize the number of potential failure points, and improve overall system efficiency.

5. Load Distribution:

Idler pulleys help distribute the load evenly across the belt, ensuring that no single section of the belt is subjected to excessive stress. This balanced load distribution reduces the risk of belt stretching, premature wear, and failures, contributing to improved equipment longevity.

6. Belt Wrap Angle:

By adjusting the position and angle of idler pulleys, the wrap angle of the belt can be optimized. A larger wrap angle increases the grip between the belt and pulleys, improving power transmission efficiency and reducing the risk of slipping.

7. Tension Control:

Idler pulleys allow for convenient tension control in belt-driven systems. By adjusting the position or tension of the idler pulley, the tension on the belt can be fine-tuned to match the specific requirements of the machinery, optimizing performance and reducing wear.

Overall, idler pulleys contribute to the efficiency and longevity of machinery and equipment by ensuring proper belt tension, reducing bearing load, damping vibrations, enabling longer belt spans, distributing loads evenly, optimizing belt wrap angles, and providing tension control. By incorporating idler pulleys into belt-driven systems, manufacturers can improve system reliability, reduce maintenance costs, and extend the lifespan of their equipment.

idler pulley

Can idler pulleys withstand continuous use and high-speed rotation?

Idler pulleys are designed to withstand continuous use and high-speed rotation in various applications. Here’s a detailed explanation of the factors that contribute to the ability of idler pulleys to withstand continuous use and high-speed rotation:

1. Material Selection:

The choice of materials for idler pulleys is crucial in determining their ability to withstand continuous use and high-speed rotation. Idler pulleys are commonly made from durable materials such as steel, aluminum, or engineered plastics. These materials offer high strength, wear resistance, and dimensional stability. The selection of materials depends on factors such as the load capacity, operating conditions, and rotational speed requirements of the specific application.

2. Bearing Design:

The bearing design used in idler pulleys plays a vital role in their ability to handle continuous use and high-speed rotation. High-quality bearings with appropriate load ratings and speed capabilities are selected to support the rotational motion of the pulley. The bearing design ensures smooth operation, minimizes friction, and provides reliable support for the pulley shaft under continuous and high-speed conditions.

3. Heat Dissipation:

During high-speed rotation, idler pulleys can generate heat due to friction. Adequate heat dissipation mechanisms are incorporated into the design to prevent excessive heat buildup. This can include features such as cooling fins, ventilation holes, or the use of heat-resistant materials. Effective heat dissipation helps maintain the integrity of the idler pulleys and prevents overheating that could lead to premature wear or failure.

4. Load Capacity:

Idler pulleys are designed to handle specific load capacities, which include both radial and axial loads. The load capacity of an idler pulley is determined by factors such as the size, material, and bearing selection. Manufacturers provide load capacity guidelines to ensure that the idler pulleys can withstand continuous use and high-speed rotation without excessive stress or deformation.

5. Precision Manufacturing:

Idler pulleys are manufactured with precision to ensure proper balance, concentricity, and dimensional accuracy. The precise manufacturing process helps minimize vibration, wobbling, and noise during high-speed rotation. It also enhances the overall stability and performance of the idler pulley under continuous use.

6. Quality Control:

Idler pulleys undergo rigorous quality control measures during the manufacturing process. These measures include inspections, testing, and adherence to industry standards to ensure that the pulleys meet the required specifications. Quality control measures help ensure the reliability, durability, and performance of idler pulleys during continuous use and high-speed rotation.

Overall, idler pulleys are designed and engineered to withstand continuous use and high-speed rotation in various applications. Through careful material selection, bearing design, heat dissipation, load capacity considerations, precision manufacturing, and quality control measures, idler pulleys can reliably perform their intended functions even under demanding operating conditions.

idler pulley

What is an idler pulley, and what is its role in mechanical systems?

An idler pulley is a specific type of pulley that is used in mechanical systems. Here’s a detailed explanation of what an idler pulley is and its role in mechanical systems:


An idler pulley is a pulley that is not directly connected to a power source or used for power transmission. Instead, it is used to guide and redirect a belt or rope in a system. The idler pulley is typically positioned in such a way that it changes the direction of the belt or rope, adjusts tension, or provides support to ensure smooth operation.

Role in Mechanical Systems:

The primary role of an idler pulley in mechanical systems is to maintain proper tension and alignment of belts or ropes. It helps to redirect the path of the belt or rope, ensuring that it remains in the correct position and stays engaged with other pulleys or components.

Here are some specific roles and functions of idler pulleys:

1. Belt Tension:

An idler pulley can be used to adjust and maintain the tension in a belt or rope. By adding or removing an idler pulley or adjusting its position, the tension in the belt can be properly controlled. This is crucial for preventing slippage, ensuring efficient power transmission, and extending the lifespan of the belt.

2. Directional Change:

In some systems, an idler pulley is strategically placed to change the direction of the belt or rope. By guiding the belt along a different path, the idler pulley allows the belt to reach components that would otherwise be inaccessible or difficult to connect directly. This enables flexibility in designing mechanical systems and facilitates the proper functioning of various components.

3. Belt Alignment:

An idler pulley helps maintain proper alignment of belts or ropes. It ensures that the belt remains centered on the pulleys and does not deviate from its intended path. Proper alignment is vital for efficient power transmission, as misaligned belts can cause increased friction, wear, and loss of energy.

4. Load Distribution:

In systems with multiple belts or ropes, an idler pulley can be used to distribute the load evenly. By introducing an idler pulley between two driving pulleys, the load can be divided, reducing stress on individual components and improving overall system performance.

5. Noise and Vibration Reduction:

An idler pulley can help reduce noise and vibration in mechanical systems. By providing additional support and tension to belts or ropes, it minimizes excessive movement and vibration, resulting in quieter operation and increased stability.

Idler pulleys are commonly found in various applications, including automotive engines, HVAC systems, conveyor systems, and industrial machinery. Their role in maintaining tension, guiding belts, adjusting alignment, distributing load, and reducing noise makes them essential components in ensuring the smooth and efficient operation of mechanical systems.

China supplier Agricultural Synchronous Aluminum Timing Spinning Taper Lock Bush Idler Flat Poly Grooved Sheave Wheel Adjustable Crankshaft Alternator Tension V Belt Pulley   pulley belt	China supplier Agricultural Synchronous Aluminum Timing Spinning Taper Lock Bush Idler Flat Poly Grooved Sheave Wheel Adjustable Crankshaft Alternator Tension V Belt Pulley   pulley belt
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Idler pulley

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