5417293
Main Bearing
Cummins®

Introduction

The Cummins 5417293 Main Bearing is a component designed for use in commercial truck engines. Its purpose is to facilitate smooth operation of the engine by supporting the crankshaft and reducing friction between moving parts. The bearing’s significance lies in its contribution to the efficient and reliable performance of the truck’s engine ¹.

Basic Concepts of Main Bearings

Main bearings are vital components in an engine, positioned between the crankshaft and the engine block. Their function is to support the crankshaft, allowing it to rotate with minimal friction. This reduction in friction is crucial for the engine’s performance and longevity, as it helps maintain efficient operation and reduces wear on the crankshaft and other engine components ².

Role of the 5417293 Main Bearing in Truck Operation

The Cummins 5417293 Main Bearing plays a specific role in the operation of a truck by providing support to the crankshaft. This support is essential for the crankshaft’s rotation, which is a fundamental aspect of the engine’s operation. By reducing friction, the bearing contributes to the engine’s overall efficiency and helps prevent excessive wear on the crankshaft ³.

Key Features of the 5417293 Main Bearing

The Cummins 5417293 Main Bearing is characterized by its design and the materials used in its construction. It is engineered to withstand the high loads and speeds associated with commercial truck engines. The bearing’s design includes features that enhance its performance, such as precise tolerances and a robust construction that ensures durability under demanding conditions ¹.

Benefits of Using the 5417293 Main Bearing

Utilizing the Cummins 5417293 Main Bearing in a truck engine offers several benefits. These include improved engine efficiency due to reduced friction, decreased wear and tear on the crankshaft, and enhanced durability of the bearing itself. These factors contribute to the overall reliability and performance of the engine ².

Installation and Maintenance

Proper installation of the Cummins 5417293 Main Bearing is crucial for its effective operation. Recommended procedures involve ensuring the engine block and crankshaft are clean and free of debris before installation. Additionally, using the appropriate tools and following manufacturer guidelines can help ensure the bearing is installed correctly. Maintenance tips include regular inspection for signs of wear or damage and adhering to recommended service intervals to ensure the bearing operates efficiently over time ³.

Troubleshooting Common Issues

Common problems associated with main bearings can include noise, excessive wear, and failure symptoms. Troubleshooting these issues may involve inspecting the bearing for signs of damage, checking the crankshaft for irregularities, and ensuring proper lubrication. Addressing these issues promptly can help maintain the bearing’s performance and extend its lifespan ¹.

Performance and Longevity

The Cummins 5417293 Main Bearing contributes to the overall performance and longevity of the engine by providing reliable support to the crankshaft and reducing friction. Factors that influence bearing life and performance include the quality of installation, maintenance practices, and operating conditions. Ensuring these factors are managed effectively can help maximize the bearing’s performance and lifespan ².

Cummins: A Brief Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its commitment to quality and innovation in engine components. With a history of developing reliable and efficient engine solutions, Cummins has built a reputation for excellence in the industry. The company’s dedication to advancing engine technology is evident in its range of products, including the Cummins 5417293 Main Bearing ³.

Cummins Engine Main Bearing 5417293 Compatibility

The Cummins part number 5417293, identified as a Main Bearing, is compatible with several engine models. This part is integral to the smooth operation of the engine, providing a critical interface between the crankshaft and the engine block. Below is a detailed description of the engines with which this main bearing is compatible:

ISG11 and ISG12 Series

• ISG11 CM2880 G108
• ISG12 CM2880 G107
• ISG12 G CMOH6.0 G111

These engines are part of the ISG series, which are known for their robust design and reliability. The main bearing 5417293 fits seamlessly into these engines, ensuring proper alignment and reducing friction between the crankshaft and engine block.

QSG12 Series

• QSG12 CM2880 G112
• QSG12/X12 CM2350 G110

The QSG12 series engines are designed for high-performance applications. The main bearing 5417293 is engineered to handle the increased stress and load these engines experience, providing durability and longevity.

X11 and X12 Series

• X11 CM2670 X126B
• X12 CM2350 X119B
• X12 CM2670 X121B
• X12N CMMDG1 X143B
• X13 CM2670 X122B

The X11 and X12 series engines are versatile and widely used in various applications. The main bearing 5417293 is designed to fit these engines, ensuring optimal performance and reliability. The bearing’s precision engineering allows it to maintain the necessary clearance and reduce wear, contributing to the engine’s overall efficiency.

Each of these engines benefits from the use of the Cummins part number 5417293 main bearing, which is crafted to meet the stringent requirements of Cummins’ high-performance engines.

Role of Part 5417293 Main Bearing in Engine Systems

The part 5417293 Main Bearing is an integral component in the assembly and operation of various engine systems. It facilitates the smooth rotation of the crankshaft within the engine block, ensuring efficient power transmission from the pistons to the drivetrain.

Interaction with the Engine Block

The engine block houses the main bearings, which are positioned in precise bores along the crankshaft’s path. The main bearing, part 5417293, fits into these bores, providing a low-friction surface that allows the crankshaft to rotate with minimal resistance. This interaction is vital for maintaining the structural integrity and operational efficiency of the engine block ¹.

Coordination with the Cylinder

While the main bearing does not directly interface with the cylinder, its role in supporting the crankshaft is indirectly connected to cylinder function. The crankshaft, supported by the main bearings, drives the connecting rods that are attached to the pistons within the cylinders. Smooth operation of the main bearings ensures consistent piston movement, which is essential for combustion efficiency and overall engine performance ².

Integration within the Main Bearing Kit

Part 5417293 is often included in a main bearing kit, which comprises a set of bearings designed to work in unison to support the crankshaft. These kits are engineered to provide balanced support across the crankshaft’s length, ensuring even wear and prolonged durability. The main bearing, part 5417293, plays a specific role in this kit by occupying a designated position, typically near the center of the crankshaft, where it supports one of the main journals. This strategic placement helps in distributing the load evenly across the crankshaft, enhancing the engine’s reliability and performance ³.

Conclusion

The Cummins 5417293 Main Bearing is a critical component in the efficient and reliable operation of commercial truck engines. Its role in supporting the crankshaft and reducing friction contributes significantly to the engine’s performance and longevity. Proper installation, maintenance, and troubleshooting are essential to maximize the bearing’s effectiveness and lifespan. Cummins’ commitment to quality and innovation ensures that this part meets the high standards required for demanding engine applications.