Product Description

Grasshopper 393225 393226 91590 91590mA Oregon 78-571 Deck Tension Flat Idler Pulley

Description: #eastarsmallenginerepair
Oregon 78-571 Flat Idler Pulley Fits Grasshopper 393225
 
– Replaces Grasshopper parts #  393225    
 
– Replaces Oregon parts#  78-571     

– Replaces Rotary parts# 7937    

– Replaces  Murry parts#  91590   91590MA  

– Replaces Stens parts# 280-164

– Replaces J. Thomas parts#  GR-130

– Replaces Bobcat / Ransomes parts# 385711A

– Fits Grasshopper models from 1984 – 1994 w/ 44″, 48″, 52″ decks (2 per deck).

– Fits Murray 46″ – 52″ decks
 

Outer Diameter 4-5/8″
Flat Outer Diameter 4″
Flat Width 3/4″
Bore 1/2″
Type Composite
Material   Glass Filled Nylon
SIZES A     4-19/32″
B     4″
C / Bore     1/2″
D     23/32″
E     1/4″
F     1/4″
T     .090″ 

Other Oregon Model are avaliable

Oregon 34-820
Oregon 34-822
Oregon 34-824
Oregon 34-826
Oregon 34-041
Oregon 34-102
Oregon 78-056
Oregon 78-571

 

FAQ:

 

Notice

1. We maintain high standards of customer satisfaction! Your feedback is very important to us. Before giving us neutral or negative feedback, please contact us to satisfactorily address your concerns.

2.  Please compare the good’s appearance, shape, size with your original parts before ordering.

3.  Due to the different color resolution settings of the display,  the CHINAMFG may have a color difference, please know it.

4.  All our products are non-assembled, pictures are for reference only.

Problem with An Order?

We work hard to get everything right but mistakes happen and we want to fix them quickly, please ask any questions using the Made-in-China system before starting a dispute.

Feedback

We maintain high standards of CHINAMFG and strive for 100% customer satisfaction! If you are not satisfied with our products or services please contact us first, sincerely hope through our cooperation, we can resolve the problems smoothly.

About Us

We do retail and wholesale for gasoline chainsaw, brush cutter, grass trimmer, and other garden tool parts. Welcome here to pick out and buy.

Contact

If you have questions or problems please leave messages, we will reply to you as soon as possible.

Certification: RoHS, CE, ISO, CCC
Power Source: Gasoline
Type: Idler
Material: Plastic
Flat Idler: Oregon Part
Transport Package: Bag
Samples:
US$ 19.99/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

tension pulley

Can tension pulleys be customized for specific machinery and equipment?

Yes, tension pulleys can be customized to suit specific machinery and equipment requirements. Here’s a detailed explanation of the customization possibilities for tension pulleys:

Tension pulleys are vital components in various industrial applications, and their design and specifications can be tailored to meet the specific needs of different machinery and equipment. Customization allows for a precise fit and optimal performance in the given application. Here are some aspects that can be customized:

1. Size and Dimensions: Tension pulleys can be customized in terms of their size and dimensions to ensure compatibility with the specific machinery and equipment. This includes the diameter, width, and hub dimensions of the pulley. Customizing the size ensures that the tension pulley fits properly within the available space and aligns correctly with the conveyor system or other components.

2. Pulley Profile: The profile of a tension pulley can be customized to match the requirements of the machinery and the type of belt being used. Different profiles, such as flat, crowned, or v-shaped, can be chosen based on the desired belt tracking and tension distribution. Customizing the pulley profile helps optimize belt alignment, reduce wear, and ensure efficient power transmission.

3. Material Selection: Tension pulleys can be customized in terms of the material used for their construction. The material selection depends on factors such as the application environment, load requirements, and chemical or temperature resistance. Common materials for tension pulleys include steel, cast iron, aluminum, and various engineering plastics. Customizing the material ensures that the pulley has the necessary strength, durability, and resistance to meet the specific operating conditions.

4. Bearing Type and Specifications: Tension pulleys can be customized with different types and specifications of bearings to suit the specific machinery and equipment. The choice of bearings depends on factors such as load capacity, rotational speed, and maintenance requirements. Customizing the bearing type and specifications ensures smooth rotation, reduces friction, and enhances the overall performance and reliability of the tension pulley.

5. Surface Coatings and Finishes: Tension pulleys can be customized with surface coatings or finishes to enhance their performance in specific applications. For example, pulleys used in corrosive environments may be coated with materials that provide resistance to chemicals or moisture. Additionally, pulleys can be finished with smooth or textured surfaces depending on the desired frictional characteristics and grip.

6. Attachment and Mounting Options: Customization of tension pulleys can include different attachment and mounting options to ensure compatibility with the machinery and equipment. This may involve custom shaft sizes, keyway configurations, or specific mounting brackets. Customizing the attachment and mounting options facilitates easy installation and integration of the tension pulley into the existing system.

7. Additional Features: Depending on the specific requirements, tension pulleys can be customized with additional features or components. This can include dust or debris guards, specialized belt guides, or sensors for belt tracking or tension monitoring. Customization allows for the incorporation of features that enhance the functionality, safety, and efficiency of the tension pulley in the particular machinery or equipment.

By offering customization options, manufacturers can provide tension pulleys that precisely match the needs of specific machinery and equipment. Customized tension pulleys ensure optimal performance, longevity, and reliability in material handling and conveyor systems, thereby contributing to efficient and smooth operations.

tension pulley

What is the significance of proper tensioning in tension pulley systems?

Proper tensioning in tension pulley systems holds immense significance as it directly impacts the performance, efficiency, and longevity of the system. Maintaining the correct tension in tension pulley systems is crucial for various reasons. Here’s a detailed explanation of the significance of proper tensioning:

1. Optimal Power Transmission: Proper tensioning ensures optimal power transmission in tension pulley systems. When the belts are correctly tensioned, they grip the pulleys tightly, minimizing slippage and maximizing the transfer of power from the driving pulley to the driven pulley. This efficient power transmission is essential for achieving the desired speed and torque in machinery and equipment, resulting in improved overall performance and productivity.

2. Prevention of Belt Slippage: Adequate tensioning helps prevent belt slippage in tension pulley systems. If the tension is too low, the belts may slip on the pulleys during operation, leading to reduced power transfer and compromised performance. Belt slippage can cause inefficiency, increased energy consumption, and even damage to the belts and pulleys. Proper tensioning ensures that the belts remain securely engaged with the pulleys, eliminating the risk of slippage and maintaining reliable operation.

3. Reduced Wear and Longer Belt Life: Proper tensioning minimizes excessive wear on belts, extending their lifespan. When belts are undercorrected tension, they experience excessive stretching, flexing, and heat generation, which accelerates wear and can lead to premature failure. Conversely, if the tension is too high, it can cause excessive stress and strain on the belts, resulting in accelerated wear and potential belt damage. By maintaining the proper tension, tension pulley systems reduce wear on belts, ensuring longer service life and reducing the frequency of belt replacements and associated downtime.

4. Improved Belt Tracking and Alignment: Proper tensioning contributes to improved belt tracking and alignment in tension pulley systems. When belts are correctly tensioned, they run true and remain properly aligned on the pulleys. This ensures smooth and stable belt movement, minimizing lateral forces and reducing the risk of belt misalignment. Proper alignment reduces wear on belts, pulleys, and bearings, resulting in quieter operation, reduced vibrations, and improved overall system reliability.

5. Enhanced Component Performance: Proper tensioning directly impacts the performance and longevity of components driven by tension pulley systems. When belts are correctly tensioned, the driven components receive consistent power and operate at their designed speed and torque. This ensures accurate and reliable performance of various components such as cutting tools, conveyors, pumps, or agitators. Proper tensioning also reduces the likelihood of component damage or premature failure due to inadequate power transfer or excessive belt stress.

6. Energy Efficiency: Proper tensioning contributes to energy efficiency in tension pulley systems. When belts are correctly tensioned, energy losses due to belt slippage or excessive friction are minimized. This results in more efficient power transmission, reducing energy consumption and improving the overall energy efficiency of the machinery or equipment. By optimizing tensioning, tension pulley systems can help reduce operating costs and environmental impact.

In summary, proper tensioning in tension pulley systems is of utmost importance. It ensures optimal power transmission, prevents belt slippage, reduces wear, improves belt tracking and alignment, enhances component performance, and contributes to energy efficiency. By maintaining the correct tension, tension pulley systems operate reliably, efficiently, and with extended component life, ultimately leading to improved productivity and cost-effectiveness in various applications.

tension pulley

What types of belts or cables are typically used with tension pulleys?

Tension pulleys, also known as idler pulleys or belt tensioners, are designed to work in conjunction with specific types of belts or cables. The choice of belt or cable depends on the application, load requirements, environmental conditions, and other factors. Here’s a detailed explanation of the types of belts or cables that are typically used with tension pulleys:

1. V-Belts: V-belts, also known as Vee belts, are a common type of belt used with tension pulleys. They have a trapezoidal cross-section and are designed to fit into the groove of the pulley wheel. V-belts are commonly used in automotive applications, industrial machinery, and power transmission systems.

2. Serpentine Belts: Serpentine belts are flat, wide belts with a ribbed surface on one side. They are used in modern automotive engines to drive multiple components such as the alternator, air conditioning compressor, power steering pump, and water pump. Tension pulleys for serpentine belts are designed to accommodate the ribbed surface and maintain proper tension across the entire belt.

3. Timing Belts: Timing belts, also known as toothed belts, have a series of evenly spaced teeth on the inner surface. They are used in applications that require precise synchronization of the rotational motion, such as in internal combustion engines. Tension pulleys for timing belts are designed with toothed surfaces that match the teeth on the belt, ensuring proper engagement and tension control.

4. Flat Belts: Flat belts are simple, flat belts without any V-grooves or teeth. They are used in a variety of applications, including conveyors, industrial machinery, and printing presses. Tension pulleys for flat belts provide a smooth surface for the belt to run on and maintain tension through contact friction.

5. Cables and Wire Ropes: Tension pulleys can also be used with cables or wire ropes in certain applications. These cables are typically made of steel or other high-strength materials and are used for lifting, pulling, or tensioning purposes. Tension pulleys for cables or wire ropes feature grooves or channels that guide and support the cable, ensuring proper tension and minimizing wear.

6. Other Specialty Belts: Depending on the specific application, tension pulleys may be used with other specialty belts. Examples include round belts, poly-V belts, and multi-ribbed belts. These belts are designed for specific purposes, such as high-speed applications, high torque transmission, or compact designs. Tension pulleys for specialty belts are engineered to match the unique characteristics and requirements of these belts.

In summary, tension pulleys are used with a variety of belts or cables, including V-belts, serpentine belts, timing belts, flat belts, cables, wire ropes, and other specialty belts. The design of the tension pulley is tailored to the specific type of belt or cable, ensuring proper engagement, tension control, and reliable operation in various applications and industries.

China factory Grasshopper 393225 393226 91590 91590mA Oregon 78-021 Deck Tension Flat Idler Pulley   chain pulleyChina factory Grasshopper 393225 393226 91590 91590mA Oregon 78-021 Deck Tension Flat Idler Pulley   chain pulley
editor by CX

2023-11-18

Tension pulley

As one of the tension pulley manufacturers, suppliers, and exporters of mechanical products, We offer cast pulleys and many other products.

Please get in touch with us for details.

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