3019192
Main Bearing
Cummins®

The Cummins 3019192 Main Bearing is a component designed for use in heavy-duty truck engines. Its purpose is to facilitate the smooth operation of the crankshaft by providing a low-friction interface. This bearing plays a role in maintaining the efficiency and reliability of the engine, contributing to the overall performance of the truck ¹.

Basic Concepts of Main Bearings

Main bearings are components found in internal combustion engines. They serve the function of supporting the crankshaft, allowing it to rotate with minimal friction. These bearings are important for the engine’s performance and longevity, as they help in maintaining proper alignment and reducing wear on the crankshaft. By ensuring smooth operation, main bearings contribute to the engine’s efficiency and durability ².

Role of the 3019192 Main Bearing in Truck Operation

The Cummins 3019192 Main Bearing specifically supports the crankshaft in heavy-duty truck engines. It is positioned between the crankshaft and the engine block, providing a stable and low-friction surface for the crankshaft to rotate on. This bearing helps in distributing the load evenly and reducing friction, which in turn enhances the engine’s performance and extends its operational life ³.

Key Features of the 3019192 Main Bearing

The Cummins 3019192 Main Bearing is designed with several features that enhance its performance and durability. It is constructed from high-quality materials that offer excellent resistance to wear and corrosion. The bearing’s design includes precision-machined surfaces to ensure a perfect fit and optimal performance. Additionally, it may incorporate advanced coatings or treatments to further improve its longevity and efficiency ⁴.

Benefits of Using the 3019192 Main Bearing

Utilizing the Cummins 3019192 Main Bearing in heavy-duty truck engines offers several benefits. These include improved engine efficiency due to reduced friction, decreased wear and tear on the crankshaft, and enhanced reliability of the engine. The bearing’s durable construction and precise engineering contribute to these advantages, making it a valuable component for maintaining the performance of heavy-duty trucks ⁵.

Troubleshooting Common Issues with Main Bearings

Identifying and addressing common issues with main bearings is important for maintaining engine health. Symptoms of main bearing problems may include unusual noises from the engine, excessive wear on the bearing surfaces, and oil contamination. Regular inspections and maintenance can help in early detection and resolution of these issues, preventing more severe engine damage ⁶.

Maintenance Tips for Main Bearings

To ensure the optimal performance and longevity of main bearings, regular maintenance is recommended. This includes conducting periodic inspections for signs of wear or damage, ensuring proper lubrication to reduce friction and wear, and replacing bearings at recommended intervals or when signs of failure are detected. Adhering to these maintenance practices can help in preserving the efficiency and reliability of the engine ⁷.

Cummins: A Brief Overview

Cummins Inc. is a well-established company in the automotive industry, known for its commitment to quality and innovation. With a diverse product range that includes engines, filtration systems, and power generation equipment, Cummins has built a reputation for delivering reliable and high-performance solutions. The company’s history of excellence and dedication to advancing technology underscores its position as a leader in the industry ⁸.

Cummins Main Bearing Part 3019192 Compatibility

The Cummins main bearing part number 3019192 is a component designed to fit a variety of Cummins engines. This part is engineered to provide reliable support and reduce friction within the engine, ensuring smooth operation and longevity. Below is a detailed breakdown of the engines with which this main bearing is compatible:

G855 Series Engines

• G855
• G855 CM558
• GTA855 CM558 (CM2358) G101

The G855 series engines, including the G855, G855 CM558, and GTA855 CM558 (CM2358) G101, are designed for heavy-duty applications. The main bearing part 3019192 is specifically engineered to fit these engines, ensuring optimal performance and durability.

N14 Series Engines

• N14 CELECT
• N14 CELECT PLUS
• N14 G
• N14 MECHANICAL

The N14 series engines, such as the N14 CELECT, N14 CELECT PLUS, N14 G, and N14 MECHANICAL, are known for their versatility and robust performance. The main bearing part 3019192 is compatible with these engines, providing the necessary support and reliability for various applications.

NH/NT 855 Series Engines

• NH/NT 855

The NH/NT 855 engine is another model in which the main bearing part 3019192 is used. This engine is designed for high-performance applications, and the main bearing ensures the engine operates smoothly and efficiently.

QSN14 Series Engines

• QSN14 CM876 N103
• QSNT14 CM876 N102

The QSN14 series engines, including the QSN14 CM876 N103 and QSNT14 CM876 N102, are engineered for demanding environments. The main bearing part 3019192 is compatible with these engines, providing the necessary support to maintain performance and reliability under tough conditions.

Role of Part 3019192 Main Bearing in Engine Systems

The part 3019192 Main Bearing is integral to the functionality and efficiency of various engine systems. It facilitates smooth operation by reducing friction between the crankshaft and the engine block. This bearing is typically installed in the main bearing bores of the engine block, aligning with the crankshaft journals.

Integration with Engine Components

• Engine Block and Cylinder: The main bearing sits within the main bearing bores of the engine block, which houses the cylinders. It ensures that the crankshaft rotates smoothly within the block, minimizing wear and tear on both the crankshaft and the block itself.

• Crankshaft and Main Bearing Set Shell: The main bearing interfaces directly with the crankshaft, supporting its rotation. The main bearing set shell, often included in engine spares or spare parts kits, works in conjunction with the 3019192 Main Bearing to provide a complete bearing solution.

• Short Block and Long Block: In a short block assembly, which includes the engine block, crankshaft, and main bearings, the 3019192 Main Bearing is essential for the crankshaft’s operation. In a long block, which additionally includes the cylinder head and other components, the main bearing continues to play a vital role in maintaining crankshaft integrity and engine performance.

• Engine Spares and Spare Parts Kit: When maintaining or repairing an engine, the 3019192 Main Bearing is often included in engine spares or spare parts kits. These kits may also contain other necessary components like gaskets, base parts, and tool sets to facilitate comprehensive engine servicing.

• Overland Kit and Lloyds Spares: Specialized kits such as the Overland Kit or Lloyds Spares may include the 3019192 Main Bearing to ensure that engines used in rugged or off-road conditions have reliable bearing support. These kits are designed to enhance engine durability and performance in demanding environments.

• PDC (Piston/Liner) and Cylinder Components: The efficient operation of the piston/liner assembly relies on a well-functioning crankshaft, which in turn depends on the main bearing. The 3019192 Main Bearing ensures that the crankshaft’s movement is smooth, directly influencing the performance of the piston/liner and cylinder components.

Supporting Components

• Main Bearing Stud Set and Special/Standard Sets: The main bearing stud set provides additional support and alignment for the main bearings. Special or standard sets of main bearings may be used depending on the specific requirements of the engine, ensuring optimal performance and longevity.

• Base Parts and Tool Service: The installation and maintenance of the 3019192 Main Bearing often require specific base parts and tool sets. These tools ensure precise fitting and removal of the bearings, contributing to the overall efficiency and reliability of the engine system.

Conclusion

In summary, the Cummins 3019192 Main Bearing is a fundamental component in various engine systems, interacting with the engine block, crankshaft, and other critical parts to ensure smooth and efficient engine operation. Its role in reducing friction, supporting the crankshaft, and contributing to engine efficiency and reliability makes it an essential part for heavy-duty truck engines.