2896806
Main Bearing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$549.95 $654.44

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 2896806 Main Bearing is a component designed for use in commercial trucks. It serves a role in the engine’s operation by supporting the crankshaft and ensuring smooth rotational movement. This bearing is integral to maintaining the efficiency and reliability of the engine, contributing to the overall performance of the vehicle.

Basic Concepts of Main Bearings

Main bearings are components found in internal combustion engines. Their primary function is to support the crankshaft, allowing it to rotate with minimal friction. These bearings are important for the engine’s performance and longevity, as they help to distribute the load exerted by the crankshaft and reduce wear on engine components. Proper functioning of main bearings ensures that the engine operates efficiently and has a longer service life 1.

Purpose of the Cummins 2896806 Main Bearing

The Cummins 2896806 Main Bearing is specifically engineered to support the crankshaft in commercial truck engines. By providing a low-friction interface, it facilitates the smooth operation of the crankshaft. This bearing plays a role in maintaining the alignment and stability of the crankshaft, which is important for the engine’s consistent performance. Its design helps in reducing wear and tear on the crankshaft and other engine components, contributing to the engine’s overall efficiency and durability.

Key Features of the Cummins 2896806 Main Bearing

The Cummins 2896806 Main Bearing is characterized by its robust design and construction. It is made from high-quality materials that offer excellent load-bearing capacity and durability. The bearing’s design includes features that enhance its performance, such as precision engineering for optimal fit and function within the engine. Additionally, it is constructed to withstand the high temperatures and pressures present in a commercial truck engine, ensuring reliable operation under demanding conditions.

Benefits of Using Cummins 2896806 Main Bearing

Utilizing the Cummins 2896806 Main Bearing in commercial truck engines offers several advantages. It contributes to improved engine efficiency by reducing friction between the crankshaft and the engine block. This reduction in friction can lead to lower fuel consumption and enhanced engine performance. The bearing’s durable construction also means it can withstand the rigors of heavy-duty use, potentially leading to cost savings over time due to its longevity and reduced need for frequent replacements.

Installation and Maintenance

Proper installation of the Cummins 2896806 Main Bearing is crucial for its effective performance. It is recommended to follow manufacturer guidelines for installation procedures to ensure the bearing is correctly positioned and secured. Regular maintenance, including inspections for wear and proper lubrication, is important to ensure the bearing operates efficiently and has a longer service life. Adhering to these best practices can help prevent issues and ensure the engine continues to perform optimally 2.

Troubleshooting Common Issues

Main bearings, including the Cummins 2896806, may encounter issues such as noise, excessive wear, or failure. These problems can often be identified through routine inspections and maintenance checks. Troubleshooting steps may involve examining the bearing for signs of wear, checking lubrication levels, and ensuring proper installation. Addressing these issues promptly can help maintain the engine’s performance and prevent more significant problems from arising.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation in the commercial truck industry for its commitment to quality and innovation. The company’s product range includes a variety of engines and components designed to meet the demanding requirements of commercial vehicles, demonstrating Cummins’ dedication to providing reliable and efficient solutions for its customers.

Main Bearing Part 2896806 Compatibility with Cummins Engines

The Cummins part number 2896806, identified as a Main Bearing, is a component in ensuring the smooth operation of various Cummins engines. This part is designed to fit seamlessly within the engine architecture, providing essential support and reducing friction between the crankshaft and engine block.

GTA38 G CMEICS G116C

The GTA38 G CMEICS G116C engine is one of the models that benefit from the precision engineering of the 2896806 Main Bearing. This part is engineered to meet the specific requirements of this engine, ensuring optimal performance and longevity.

KTA38GC CM558

Similarly, the KTA38GC CM558 engine is another model that utilizes the 2896806 Main Bearing. This part is integral to the engine’s operation, providing the necessary support and stability to the crankshaft. Its compatibility with this engine ensures that the engine runs smoothly and efficiently.

Grouping of Engines

Both the GTA38 G CMEICS G116C and KTA38GC CM558 engines are part of a series that share common design principles and specifications. The 2896806 Main Bearing is designed to fit these engines, ensuring that they operate at peak efficiency. This part’s compatibility with these engines highlights Cummins’ commitment to providing high-quality, reliable components for their engines.

Role of Part 2896806 Main Bearing in Engine Systems

The part 2896806 Main Bearing is integral to the efficient operation of the engine block and cylinder assembly. Positioned between the crankshaft and the engine block, this bearing facilitates smooth rotation of the crankshaft by minimizing friction.

In the context of the engine block, the main bearing ensures that the crankshaft maintains proper alignment and operates within specified tolerances. This is important for the durability and performance of the block, as it prevents undue wear and potential warping of the block material.

When considering the cylinder, the main bearing indirectly influences its function. A well-maintained bearing contributes to consistent crankshaft rotation, which in turn ensures uniform operation of the pistons within the cylinders. This consistency is vital for the combustion process, as it affects the timing and force of the piston strokes.

Furthermore, the main bearing plays a role in the distribution of engine oil. As the crankshaft rotates, it carries oil from the main bearing to other lubricated components, including the cylinder walls. This lubrication is necessary to reduce friction and heat, which can otherwise lead to increased wear on the cylinder surfaces.

In summary, the part 2896806 Main Bearing is a key component that supports the harmonious operation of the engine block and cylinder, contributing to the overall efficiency and longevity of the engine system.

Conclusion

The Cummins 2896806 Main Bearing is a critical component in the operation of commercial truck engines. Its role in supporting the crankshaft, reducing friction, and ensuring smooth engine operation cannot be overstated. The bearing’s robust design, compatibility with various Cummins engines, and the benefits it offers in terms of engine efficiency and durability make it a valuable part in maintaining the performance and longevity of commercial truck engines. Proper installation, regular maintenance, and prompt troubleshooting of issues are essential practices to ensure the optimal performance of this bearing and the engine as a whole.


  1. Bennett, S. (2012). Modern Diesel Technology Light Duty Diesels. Cengage Learning.

  2. Wharton, A. J. (1991). Diesel Engines. Butterworth-Heinemann Ltd.

SPECIFICATIONS

Package Dimensions
17.7 x 8.5 x 5.3 in
Weight
0.435 lbs
* 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.