2898717
Main Bearing
Cummins®

Introduction

The Cummins 2898717 Main Bearing is designed for use in heavy-duty truck engines. It supports the crankshaft, reducing friction between moving parts and ensuring smooth engine operation. This part plays a role in maintaining engine performance and longevity by ensuring the crankshaft operates within specified tolerances and minimizing wear on critical engine components ².

Basic Concepts of Main Bearings

Main bearings are essential components in an engine’s design, supporting the crankshaft and allowing it to rotate with minimal friction. Positioned at intervals along the crankshaft within the engine block, these bearings come in various types, including full-circle and split bearings, each tailored to specific engine requirements. They provide a stable, low-friction environment for the crankshaft, which is vital for efficient engine performance ¹.

Role of the 2898717 Main Bearing in Truck Operation

The Cummins 2898717 Main Bearing supports the crankshaft in heavy-duty truck engines, providing a low-friction surface for smooth rotation. This bearing distributes the load exerted by the crankshaft across the engine block, reducing stress on individual components and contributing to engine stability and efficiency ².

Key Features of the 2898717 Main Bearing

The Cummins 2898717 Main Bearing is characterized by its robust design and material composition, constructed to withstand high loads and operate under extreme conditions. Its material properties contribute to its load-bearing capacity and durability. Precision machining for tight tolerances and specialized coatings to reduce friction and wear may also be featured ³.

Benefits of Using the 2898717 Main Bearing

Utilizing the Cummins 2898717 Main Bearing in heavy-duty truck engines offers several advantages, including improved engine efficiency due to reduced friction, minimized wear and tear on the crankshaft and engine block, and enhanced durability under demanding operating conditions. The bearing’s design and material characteristics contribute to these benefits, making it a valuable component for maintaining engine performance and longevity ².

Troubleshooting Common Issues with Main Bearings

Identifying and addressing common problems associated with main bearings is important for maintaining engine health. Symptoms of main bearing failure may include unusual engine noises, increased oil consumption, or visible signs of wear during inspection. Diagnostic procedures may involve analyzing oil samples for metal particles, performing a thorough engine inspection, and using specialized tools to measure bearing clearance. Potential solutions range from bearing replacement to addressing underlying issues such as inadequate lubrication or misalignment ¹.

Maintenance Practices for Main Bearings

To ensure optimal performance of main bearings, regular maintenance practices are recommended. This includes conducting routine inspections to check for signs of wear or damage, adhering to proper lubrication guidelines to minimize friction and wear, and following manufacturer-recommended replacement schedules. Proper maintenance helps in prolonging the life of the bearings and ensuring the engine operates efficiently ³.

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 reputation for quality and innovation in the automotive and heavy-duty truck industry. The company’s product range includes a variety of engines and components designed to meet the demanding requirements of commercial vehicles and industrial applications. Cummins’ commitment to excellence and customer satisfaction has made it a trusted name in the industry ².

Cummins Main Bearing Part 2898717 Compatibility

The Cummins part number 2898717, identified as a Main Bearing, is designed to fit seamlessly within the engine architecture of the QSK95 series. Specifically, this part is compatible with the QSK95 CM2350 K111 and QSK95 CM2350 K113 engines.

This main bearing is engineered to provide optimal performance and longevity, ensuring that the engine operates smoothly and efficiently. Its precision-engineered design allows it to withstand the high stresses and temperatures typical of these engines, contributing to their overall reliability and durability.

When installed in the QSK95 CM2350 K111 and QSK95 CM2350 K113 engines, the part 2898717 ensures that the crankshaft is properly supported, reducing friction and wear. This is crucial for maintaining the engine’s performance and extending its service life.

The compatibility of this main bearing with both the QSK95 CM2350 K111 and QSK95 CM2350 K113 engines underscores its versatility and the importance of using genuine Cummins parts for maintenance and repairs. Ensuring that the correct part is used is essential for preserving the integrity and efficiency of these powerful engines ².

Role of Part 2898717 Main Bearing in Engine Systems

The part 2898717 Main Bearing is integral to the smooth operation of various engine components. It facilitates the rotation of the crankshaft within the engine block, ensuring minimal friction and wear.

When considering the engine block, the main bearing allows the crankshaft to spin freely inside the block’s main bearing journals. This is essential for converting the linear motion of the pistons into rotational motion efficiently.

In relation to the cylinder, the main bearing indirectly supports the piston’s movement. As the crankshaft rotates, driven by the combustion process within the cylinders, the main bearing ensures that this rotation is smooth and consistent. This, in turn, helps maintain the precise timing and efficiency of the piston’s up-and-down motion.

The main bearing kit often includes part 2898717, among other components, to provide a comprehensive solution for bearing replacement or upgrade. The kit typically contains all necessary bearings for the crankshaft, ensuring that each journal is properly supported. This holistic approach helps in maintaining the engine’s balance and longevity, as well as enhancing overall performance ³.

Conclusion

The Cummins 2898717 Main Bearing is a critical component in heavy-duty truck engines, designed to support the crankshaft and reduce friction. Its robust design and material composition ensure durability and efficiency under demanding conditions. Regular maintenance and proper installation are essential for maximizing the benefits of this part, contributing to the overall performance and longevity of the engine.