China supplier Cast Iron Steel Plastic Nylon Drive Idler Bearing Sheaves Pulley for Sale pulley belt

Product Description

V-grooved Taper Bushed Pulley
Type: SPB
Size: 80 ~ 1250
Materials: HT250( C45 steel optional)

WP b t e f PD Angle
SPZ 8.5 2.0 +0.6
11.0 0
12±0.3 8.0±0.6 ≤80 34±1 9.72
>80 38±1 9.88
SPA 11.0 2.8 +0.6
13.8 0
15±0.3 10.0±0.6 <118 34±1 12.68
>118 38±1 12.89
SPB 14.0 3.5 +0.6
17.5 0
19±0.4 12.5±0.8 ≤190 34±1 16.14
>190 38±1 16.41
SPC 19.0 4.8 +0.6
23.8 0
25.5±05 17.0±l ≤315 34±0.5 21.94
>315 38±0.5 22.31

Our Mission

Our mission is to build solid, reliable products, provide exceptional service, re-invest in technology and make a dedicated effort to understand the needs of our customers while providing a positive workplace for our employees.

Our philosophy is to design, manufacture and sell our products with all markets in mind. You will never be limited to 1 application with our products.

Who We Are

For more than 15+ years, CHINAMFG has grown into a manufacturing and sales company of standard and custom bearings, automotive bearings, spraying equipment, with focus on research and development of the best products for specific applications. We enjoy working closely with designers and engineers to figure out how to address out a complex manufacturing issue. Furthermore, we’re value-driven and easy to work with. We’re always in mind that our solutions must satisfy our customers even may save their money by reducing manufacturing costs.

How We Can Serve You

We has implemented a total quality control system at our facilities, and manufactures in high volume to a just-in-time program.

To serve the ongoing needs of customers, we built high-efficient sales team to communicate with our customers so that our customers will get full information about our products within 24 hours.

We’re proud of our long-term relationships with our customers.

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Certification: ISO
Pulley Sizes: Spb
Manufacturing Process: Casting
Material: Ht250, or C45
Surface Treatment: Phosphating Treatment
Application: Chemical Industry, Grain Transport, Mining Transport, Power Plant, Oil Insutry
US$ 0/Set
1 Set(Min.Order)

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Customized Request

idler pulley

How do you select the right idler pulley configuration for a specific task?

Selecting the appropriate idler pulley configuration for a specific task involves considering several factors. Here are the key steps to guide you in the selection process:

1. Identify System Requirements:

Understand the specific requirements of the task or application. Determine the type of belt or chain being used, the power transmission requirements, the operating conditions (such as temperature, speed, and load), and any specific constraints or limitations.

2. Determine Belt or Chain Type:

Identify the type and specifications of the belt or chain being used in the system. This includes factors such as the belt width, pitch, tooth profile (for timing belts), and chain size. Knowing the characteristics of the belt or chain will help in selecting an idler pulley that is compatible and optimized for that specific type.

3. Consider Pulley Material and Construction:

Select a pulley material that is suitable for the task at hand. Common options include steel, cast iron, aluminum, and various plastics. Consider factors such as the required strength, durability, corrosion resistance, and the environment in which the pulley will be operating.

4. Determine Pulley Size and Configuration:

Calculate or determine the appropriate pulley size, including the diameter and width. Consider factors such as the desired belt tension, the required wrap angle (the contact area between the pulley and the belt), and any specific clearance or spacing requirements within the system.

5. Assess Bearing and Shaft Requirements:

Consider the bearing and shaft requirements for the idler pulley. Determine the load capacity, rotational speed, and any specific mounting or attachment considerations. Select bearings and shafts that can handle the anticipated loads and provide smooth operation.

6. Consult Manufacturer Recommendations:

Refer to the manufacturer’s recommendations or specifications for the idler pulley. Manufacturers often provide guidelines and technical data for their products, including load capacity charts, speed limits, and other relevant information. Ensure that the selected idler pulley aligns with these recommendations.

7. Evaluate Cost and Availability:

Consider the cost and availability of the idler pulley. Evaluate different suppliers and compare prices, ensuring that the selected pulley offers a good balance of cost-effectiveness and quality. Additionally, ensure that the idler pulley is readily available when needed.

8. Installation and Maintenance:

Lastly, consider the installation and maintenance requirements of the idler pulley. Ensure that it can be easily installed within the system and that any necessary adjustments or maintenance can be performed without significant hassle.

By following these steps and considering the specific requirements of the task or application, you can select the right idler pulley configuration that ensures proper tensioning, reliable power transmission, and optimal performance in your specific task.

idler pulley

Are there different types of idler pulleys, and how do they vary in applications?

Yes, there are different types of idler pulleys that vary in design and application. Here’s a detailed explanation of the various types of idler pulleys and how they differ in their applications:

1. Flat Belt Idler Pulleys:

Flat belt idler pulleys have a flat surface and are commonly used in applications where flat belts are used for power transmission. They are typically used in industrial machinery, conveyor systems, and agricultural equipment. Flat belt idler pulleys come in various diameters and are designed to guide and support the flat belt, ensuring proper tension and alignment.

2. V-Belt Idler Pulleys:

V-belt idler pulleys are designed specifically for V-belt drives, which are widely used in automotive and industrial applications. These pulleys have a V-shaped groove that matches the cross-section of the V-belts, ensuring proper engagement and power transmission. V-belt idler pulleys are used in automotive engines, HVAC systems, and various industrial machinery.

3. Timing Belt Idler Pulleys:

Timing belt idler pulleys are used in applications where timing belts are employed for synchronous power transmission. These pulleys have specially designed teeth or grooves that mate with the teeth on the timing belt, allowing precise motion control and synchronization. Timing belt idler pulleys are commonly found in automotive engines, CNC machines, robotics, and other precision machinery.

4. Chain Idler Pulleys:

Chain idler pulleys are used in systems that utilize chains for power transmission. These pulleys have grooves or teeth that match the profile of the chain, providing proper engagement and tension. Chain idler pulleys are commonly employed in bicycles, motorcycles, industrial machinery, and conveyor systems using roller chains or timing chains.

5. Tensioner Pulleys:

Tensioner pulleys are a specialized type of idler pulleys designed specifically for maintaining proper tension in automotive accessory drive systems. They are often used in conjunction with serpentine belts or multi-ribbed belts. Tensioner pulleys incorporate a spring-loaded mechanism that automatically adjusts the tension of the belt. These pulleys are critical for reliable operation and proper belt tension in automotive engines.

6. Specialty Idler Pulleys:

In addition to the commonly used idler pulleys mentioned above, there are various specialty idler pulleys designed for specific applications. These may include idler pulleys with unique shapes, sizes, or specialized features to meet the requirements of specific industries or equipment. Specialty idler pulleys can be found in applications such as printing presses, textile machinery, packaging equipment, and more.

The choice of idler pulley type depends on the specific application requirements, such as the type of belt or chain used, power transmission needs, space constraints, and environmental factors. Proper selection of the appropriate idler pulley ensures optimal performance, reliable power transmission, and extended system lifespan.

idler pulley

Can you explain the primary functions and components of an idler pulley?

An idler pulley serves important functions in mechanical systems and consists of several key components. Let’s explore the primary functions and components of an idler pulley:

1. Primary Functions:

– Belt Guidance: The main function of an idler pulley is to guide the belt along a desired path, changing its direction as necessary. This ensures efficient power transmission and proper operation of the system.

– Tension Maintenance: Idler pulleys help maintain tension in the belt by taking up slack and preventing belt sagging or slippage. Proper tension is essential for optimal power transfer and system performance.

2. Components:

– Pulley Wheel: The pulley wheel is the circular component with a groove or V-shape that accepts the belt. It rotates on a fixed axle or bearing and provides a contact point for the belt to ride on.

– Axle or Bearing: The axle or bearing is the component that allows the pulley wheel to rotate smoothly. It provides support and reduces friction, ensuring efficient movement of the belt.

– Mounting Bracket: The mounting bracket is used to secure the idler pulley in its designated position within the system. It may be attached to a stationary structure or integrated into a movable mechanism.

– Tensioning Mechanism (Optional): In some cases, idler pulleys may incorporate a tensioning mechanism. This can include a spring-loaded arm or an adjustable bracket that allows for easy adjustment of belt tension.

– Housing or Guard (Optional): Depending on the application, an idler pulley may be enclosed within a housing or guarded to protect it from external elements and to prevent accidental contact with moving parts.

It’s important to select an idler pulley that is compatible with the specific belt type, system requirements, and load conditions. Proper installation and periodic maintenance, such as lubrication of bearings and inspection for wear, are essential to ensure smooth operation and extend the lifespan of the idler pulley.

China supplier Cast Iron Steel Plastic Nylon Drive Idler Bearing Sheaves Pulley for Sale   pulley belt	China supplier Cast Iron Steel Plastic Nylon Drive Idler Bearing Sheaves Pulley for Sale   pulley belt
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Idler pulley

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