China wholesaler Customized CNC Machining Steel V Belt Pulley for Auto Spare Parts Car Accessories pulley band

Product Description

Customized CNC Machining Steel V Belt Pulley for Auto Spare Parts Car Accessories


V belt pulley specifications

·  European standards : 

    a) V-belt pulley for taper bushing: SPZ, SPA, SPB, SPC    

    b) Adjustable speed V-belt pulleys and variable speed pulleys              

    c) Flat belt pulleys and conveyor belt pulleys
    d) Have many models , cannot show all together here , need to know learn more ,contact us .

500 – 1 x SPZ – 2517 Taper-v-belt pulley
50 – 2 x SPZ – 1008 rü 26 Taper-v-belt pulley
56 – 2 x SPZ – 1108 rü 26 Taper-v-belt pulley
60 – 2 x SPZ – 1108 rü 26 Taper-v-belt pulley
63 – 2 x SPZ – 1108 bü Taper-v-belt pulley
67 – 2 x SPZ – 1108 bü Taper-v-belt pulley
71 – 2 x SPZ – 1108 Taper-v-belt pulley
75 – 2 x SPZ – 1210 bü Taper-v-belt pulley
80 – 2 x SPZ – 1210 bü Taper-v-belt pulley
85 – 2 x SPZ – 1610 bü Taper-v-belt pulley
90 – 2 x SPZ – 1610 bü Taper-v-belt pulley
95 – 2 x SPZ – 1610 bü Taper-v-belt pulley
100 – 2 x SPZ – 1610 bü Taper-v-belt pulley
106 – 2 x SPZ – 1610 bü Taper-v-belt pulley
112 – 2 x SPZ – 1610 bü Taper-v-belt pulley
118 – 2 x SPZ – 1610 bü Taper-v-belt pulley
125 – 2 x SPZ – 1610 bü Taper-v-belt pulley
132 – 2 x SPZ – 1610 bü Taper-v-belt pulley
140 – 2 x SPZ – 1610 bü Taper-v-belt pulley
150 – 2 x SPZ – 2012 bü Taper-v-belt pulley
160 – 2 x SPZ – 2012 bü Taper-v-belt pulley
170 – 2 x SPZ – 2012 bü Taper-v-belt pulley
180 – 2 x SPZ – 2012 bü Taper-v-belt pulley
190 – 2 x SPZ – 2012 bü Taper-v-belt pulley
200 – 2 x SPZ – 2012 bü Taper-v-belt pulley

SPB100-1 1610 0.9 25   25  
SPB106-1 1610 1.1 25   25  
SPB112-1 1610 1.2 25   25  
SPB118-1 1610 1.3 25   25  
SPB125-1 1610 1.5 25   25  
SPB132-1 1610 1.7 25   25  
SPB140-1 1610 1.8 25   25  
SPB150-1 1610 2.1 25   25  
SPB160-1 1610 2.5 25   25  
SPB170-1 1610 2.9 25   25  
SPB180-1 1610 3.2 25   25  
SPB190-1 2012 3.8 25   32 3.5
SPB200-1 2012 4.2 25   32 3.5
SPB212-1 2012 4.3 25   32 3.5
SPB224-1 2012 4.7 25   32 3.5
SPB236-1 2012 5.1 25   32 3.5
SPB250-1 2012 5.7 25   32 3.5
SPB280-1 2012 6 25   32 3.5
SPB300-1 2012 7.1 25   32 7
SPB315-1 2012 7.5 25   32 3.5


1.Q: What is your Trade term ?
A: FOB HangZhou Or HangZhou port
2.Q: Can you offer OEM ?
A: Yes , OEM are always welcomed . Please emial us relevant information .
3.Q: Can I get some samples before placing order ?
A: Yes, We will offer 1-2 pcs samples free of charge . Due to different situation , some samples will be charged . If you need further information about our sample policy , please contact us .
4.Q: What is your MOQ ?
A: MOQ of most our products is 1000 pcs , different items maybe different .
5.Q: How can you ensure the quality inspection?
A: On the order process,we have inspection standard before delivery and will supply you the pictures.

6. Q: What about the lead time for mass production ?
     A: It depends on the order quantity and the season you place the order . In general , our lead time is     about 15~25 days , depends on products

Our service :
Sample service:
-We provide free samples for our existing products range. 
 -Sample and tooling charges need if special design needed, the exact charges depends on  your final design and product. 
-We will return sample charges to you once place an order, and return the tooling charges      once the order quantity reach to certain quantity. 
-It will take 2-3days for free samples.
Customized services:
– We provide OEM and ODM process Service, also Provide product sketch. 
After-sale services:
– For most of our products, we provide one year warranty.If any items broken for unartificial  reason, we can replace the items after having the approve. We guarantee your satisfaction with all our merchandise. The feedbacks will be paid more attentions from customers constant, we will solve the problems timely.

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Certification: ISO
Pulley Sizes: OEM
Manufacturing Process: Casting
Material: Iron
Surface Treatment: Polishing
Application: Chemical Industry, Grain Transport, Mining Transport, Power Plant, OEM
US$ 50/Piece
1 Piece(Min.Order)

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Customized Request


Can V pulleys withstand variations in environmental conditions?

V pulleys are designed to withstand variations in environmental conditions to a certain extent. However, their ability to withstand different environmental factors depends on several factors, including the materials used, the specific design of the pulley, and the maintenance practices employed. Here is a detailed explanation:

1. Temperature:

V pulleys can generally withstand a wide range of temperatures. The specific temperature limits depend on the materials used for construction. For example:

  • Cast iron and steel pulleys can handle high temperatures and are suitable for applications in industrial environments.
  • Aluminum pulleys have a lower temperature limit, and excessive heat can affect their structural integrity.
  • Plastic pulleys may have temperature limitations, and exposure to high temperatures can cause deformation or melting.

It’s important to consider the temperature range in which the V pulleys will operate and select materials accordingly.

2. Moisture and Corrosion:

V pulleys can be susceptible to corrosion, particularly if they are made of materials like cast iron or steel. Exposure to moisture, humidity, or corrosive substances in the environment can lead to rust or degradation of the pulley components.

To mitigate corrosion risks, protective measures can be taken, such as:

  • Using corrosion-resistant materials like stainless steel or aluminum alloy.
  • Applying coatings or finishes like zinc plating, powder coating, or anodizing to provide a barrier against moisture and corrosive agents.
  • Regular cleaning and maintenance to remove accumulated dirt, debris, or corrosive substances.

3. Dust and Contaminants:

V pulleys may be exposed to dust, dirt, and other contaminants present in the environment. These particles can accumulate in the pulley grooves, affecting the grip and performance of the V-belt.

To minimize the impact of dust and contaminants:

  • Implement proper guarding to prevent the ingress of debris and contaminants.
  • Regularly clean the pulleys to remove accumulated dirt and ensure smooth belt operation.
  • Consider using pulley covers or seals to provide additional protection against contamination.

4. Shock and Vibration:

V pulleys may be subjected to shock loads or vibrations in certain applications. These dynamic forces can affect the overall performance and integrity of the pulley and the power transmission system.

Design considerations, such as proper balancing, robust construction, and secure hub attachment, can help minimize the impact of shock and vibration on the pulleys.

5. UV Exposure:

If V pulleys are used in outdoor applications, they may be exposed to ultraviolet (UV) radiation from sunlight. Prolonged UV exposure can degrade certain materials, particularly plastics, causing them to become brittle or discolored.

If UV exposure is a concern, selecting materials with UV-resistant properties or applying protective coatings can help mitigate the effects of UV radiation.

While V pulleys are designed to withstand variations in environmental conditions, it is essential to consider the specific requirements of the application and select appropriate materials, coatings, and maintenance practices to ensure their long-term performance and durability.


What is the role of V pulleys in HVAC systems and air conditioning units?

V pulleys play a significant role in HVAC (Heating, Ventilation, and Air Conditioning) systems and air conditioning units by facilitating efficient power transmission and driving various components. Here’s a detailed explanation of the role of V pulleys in HVAC systems and air conditioning units:

1. Blower Motor Drive:

In HVAC systems and air conditioning units, V pulleys are commonly used to drive the blower motor. The blower motor is responsible for circulating air through the system, facilitating the movement of conditioned air into the desired space. The V pulley provides the necessary power transmission to drive the blower motor efficiently.

2. Fan Drive:

V pulleys are also employed in HVAC systems to drive fans that assist in airflow and heat exchange. These fans include condenser fans, evaporator fans, and circulation fans. The V pulley connects the motor to the fan, enabling the fan to operate at the desired speed to enhance heat transfer and air circulation.

3. Belt-Driven Compressors:

In some HVAC systems and air conditioning units, V pulleys are used in conjunction with belt-driven compressors. The compressor is responsible for pressurizing and circulating the refrigerant throughout the system, facilitating the cooling process. The V pulley provides power transmission from the motor to the compressor, allowing for efficient operation of the cooling system.

4. Speed Control:

V pulleys allow for speed control in HVAC systems and air conditioning units. By using pulleys of different sizes, the speed ratio between the motor and the driven components can be adjusted. This flexibility in speed control enables precise airflow regulation and cooling capacity adjustment based on the specific requirements of the space being conditioned.

5. Belt Tensioning and Alignment:

Proper tensioning and alignment of the belts are essential for efficient power transmission and to prevent belt slippage or premature wear. V pulleys in HVAC systems are often accompanied by tensioners and idler pulleys that help maintain the correct tension in the belts and ensure proper belt alignment. Proper tensioning and alignment contribute to the overall efficiency and longevity of the system.

6. Noise Reduction:

V pulleys, along with properly tensioned belts, contribute to the smooth and quiet operation of HVAC systems and air conditioning units. The design of V pulleys, combined with the flexibility and smooth engagement of V-belts, minimizes noise generation, providing a quieter environment for occupants.

7. Durability and Maintenance:

V pulleys used in HVAC systems and air conditioning units are typically made of durable materials such as steel or aluminum. These materials can withstand the demanding conditions of HVAC operation, including high temperatures and continuous use. Regular maintenance, including inspection, lubrication, and occasional belt replacement, ensures the continued efficiency and reliability of the V pulley system in HVAC applications.

Overall, V pulleys are integral components in HVAC systems and air conditioning units, enabling efficient power transmission, precise speed control, and reliable operation of blower motors, fans, compressors, and other components. Their design features, combined with properly tensioned belts, contribute to the overall performance, airflow, and cooling capacity of HVAC systems, ensuring optimal comfort and energy efficiency in various indoor environments.


How do V pulleys differ from other types of pulleys?

V pulleys, also known as V-belt pulleys or sheaves, have distinct characteristics that set them apart from other types of pulleys. Here’s an explanation of how V pulleys differ from other pulleys:

1. Groove Shape:

The most notable difference between V pulleys and other pulleys is the shape of the groove on their outer circumference. V pulleys have a V-shaped groove, which is specifically designed to accommodate V-belts with a trapezoidal cross-section. This groove shape provides a wedging action that enhances the grip between the pulley and the belt, reducing the likelihood of slippage.

2. Friction-Based Power Transmission:

V pulleys utilize a friction-based power transmission system. The V-belt wraps around the V pulley, creating a frictional contact between the belt and the groove. This friction allows for the transfer of rotational motion and torque between the driving source and the driven component. In contrast, other types of pulleys, such as flat pulleys or timing pulleys, may employ different mechanisms, such as flat belts or toothed belts, for power transmission.

3. V-Belt Compatibility:

V pulleys are specifically designed to work in conjunction with V-belts. V-belts are flexible rubber belts with a trapezoidal cross-section that match the V-shaped groove on the pulley. The shape and dimensions of the V-belt are precisely engineered to provide optimal contact and grip on the V pulley. This compatibility between the V pulley and the V-belt ensures efficient power transmission and reduces the risk of slippage.

4. Torque Transmission:

V pulleys are particularly suitable for high torque transmission. The wedging action created by the V-shaped groove and the corresponding shape of the V-belt allows for efficient power transfer even under heavy loads or during sudden changes in speed or direction. The design of V pulleys enables them to transmit higher levels of torque compared to some other types of pulleys.

5. Speed Variation:

Another distinctive feature of V pulleys is the ability to achieve speed variation in power transmission systems. By changing the diameter of the V pulley, different speed ratios can be achieved between the driving source and the driven component. This flexibility in speed control allows for proper matching of operational requirements and efficient power transmission.

6. Damping Effect:

The flexibility of V-belts and the slight elasticity of the rubber material used in V-belts provide a damping effect in V pulley systems. This helps absorb vibrations and shocks in the mechanical system, contributing to smoother operation, reduced noise, and increased component longevity.

7. Common Applications:

V pulleys are commonly used in various applications, including automotive systems, industrial machinery, HVAC systems, and power transmission systems in appliances. They are especially prevalent in systems where high torque transmission, speed variation, and reliable power transmission are required.

By understanding the distinctive features of V pulleys, engineers and designers can select the appropriate pulley type for specific applications, considering factors such as power requirements, torque transmission, speed control, and belt compatibility.

China wholesaler Customized CNC Machining Steel V Belt Pulley for Auto Spare Parts Car Accessories   pulley band	China wholesaler Customized CNC Machining Steel V Belt Pulley for Auto Spare Parts Car Accessories   pulley band
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