140080
Main Stud Bearing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$17.95 $21.36

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 140080 Main Stud Bearing is a specialized component designed for use in heavy-duty truck engines. Its primary role is to support the crankshaft and facilitate smooth engine operation by reducing friction between moving parts. This part is integral to maintaining the efficiency and durability of the engine.

Basic Concepts of Main Stud Bearings

Main stud bearings are components that support the crankshaft within an engine. They operate by providing a low-friction surface that allows the crankshaft to rotate smoothly. Unlike other types of engine bearings, such as connecting rod bearings, main stud bearings are specifically designed to handle the radial loads exerted by the crankshaft. They are typically half-circle in shape and are positioned around the crankshaft journal 1.

Purpose of the Cummins 140080 Main Stud Bearing

The Cummins 140080 Main Stud Bearing plays a significant role in the operation of a truck engine by supporting the crankshaft. This bearing helps to maintain the alignment of the crankshaft and reduces friction, which is crucial for efficient engine performance. By minimizing wear and tear on the crankshaft, the bearing contributes to the overall longevity of the engine 2.

Key Features

The Cummins 140080 Main Stud Bearing is characterized by several key features that enhance its performance and durability. These include a precision-engineered design, high-quality material composition, and robust construction. The bearing is made from materials that offer excellent resistance to wear and corrosion, ensuring reliable operation under demanding conditions 3.

Benefits

Using the Cummins 140080 Main Stud Bearing offers several benefits. It contributes to improved engine efficiency by reducing friction and wear on the crankshaft. This results in smoother engine operation and can lead to enhanced fuel efficiency. Additionally, the bearing’s durable construction helps to extend the lifespan of the engine components, reducing the need for frequent replacements.

Installation Process

Installing the Cummins 140080 Main Stud Bearing requires careful attention to detail. The process involves cleaning the crankshaft journal to remove any debris, applying the appropriate lubricant to the bearing, and positioning it around the journal. It is important to ensure that the bearing is properly aligned and seated to avoid any issues during engine operation. Following manufacturer guidelines and best practices during installation will help to ensure optimal performance.

Troubleshooting Common Issues

Common issues with the Cummins 140080 Main Stud Bearing may include excessive wear, noise during operation, or failure to properly seat. These problems can often be traced to improper installation, insufficient lubrication, or contamination. Regular inspections and maintenance can help to identify and address these issues early, preventing more significant problems down the line.

Maintenance Tips

To ensure the optimal performance and longevity of the Cummins 140080 Main Stud Bearing, regular maintenance is essential. This includes periodic inspections for signs of wear or damage, ensuring proper lubrication, and cleaning the bearing and surrounding components to prevent contamination. Adhering to these maintenance practices will help to maintain the efficiency and reliability of the engine.

Cummins Overview

Cummins Inc. is a leading manufacturer of diesel engines, known for its commitment to producing high-quality engine components. With a history of innovation and excellence, Cummins has established itself as a trusted name in the automotive industry. The company’s dedication to quality and performance is evident in its range of engine bearings, including the Cummins 140080 Main Stud Bearing.

Understanding the Integration of Part 140080 Main Stud Bearing in Engine Systems

In the realm of engine mechanics, the seamless integration of components is paramount for optimal performance and longevity. Part 140080, the Main Stud Bearing, plays a significant role in this orchestration, particularly in its interaction with the Compression Crankshaft and Orifice, Crankshaft, Main Bearing Set, and Main Bearing Stud Set.

Interaction with the Compression Crankshaft and Orifice

The Compression Crankshaft and Orifice are integral to the engine’s ability to compress air and fuel efficiently. The Main Stud Bearing ensures that the crankshaft operates smoothly within the engine block, reducing friction and wear. This bearing’s precise fit and alignment are essential for maintaining the crankshaft’s axial and radial positioning, directly influencing the efficiency of the compression process.

Synergy with the Crankshaft

The Crankshaft is the heart of the engine, converting linear piston motion into rotational force. The Main Stud Bearing supports the crankshaft’s main journals, allowing for smooth rotation with minimal resistance. This bearing’s role is to distribute the load evenly across the crankshaft’s surface, preventing undue stress and ensuring consistent engine performance.

Coordination with the Main Bearing Set

The Main Bearing Set is a collection of bearings that support the crankshaft along its length. Part 140080 works in concert with these bearings to maintain the crankshaft’s alignment and reduce wear. The Main Stud Bearing’s design complements the main bearing set, ensuring a cohesive support system that enhances the crankshaft’s durability and operational efficiency.

Complementing the Main Bearing Stud Set

The Main Bearing Stud Set is designed to secure the main bearings in place, ensuring they remain correctly positioned during engine operation. Part 140080 interacts with this set by providing a stable platform for the main bearings to operate. This interaction is vital for maintaining the integrity of the crankshaft’s support structure, directly impacting the engine’s overall reliability and performance.

Conclusion

In summary, the Cummins 140080 Main Stud Bearing is a key component in the engine’s support system, working in harmony with the Compression Crankshaft and Orifice, Crankshaft, Main Bearing Set, and Main Bearing Stud Set to ensure smooth, efficient, and reliable engine operation. Regular maintenance and proper installation are crucial for maximizing the benefits of this part and ensuring the longevity of the engine.


  1. Bonnick, A., & Newbold, D. (2011). A Practical Approach to Motor Vehicle Engineering and Maintenance, Third Edition. Elsevier Ltd.

  2. Aird, F. (2001). Bosch Fuel Injection Systems. HP Books.

  3. Hu, H., Smaling, R., & Baseley, S. (2014). Heavy-Duty Wheeled Vehicles. SAE International.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
2.6 x 2.6 x 2.75 in
Weight
0.36 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.