3019180
Main Bearing
Cummins®

The Cummins 3019180 Main Bearing is a component designed for use in commercial truck engines, manufactured by Cummins Inc. This bearing is integral to the engine’s operation, ensuring the smooth and efficient functioning of the crankshaft. Cummins Inc., a well-established name in the engine manufacturing industry, is known for producing reliable and high-performance engine components ¹.

Function and Operation of Main Bearings

Main bearings are fundamental components in internal combustion engines. Their primary role is to support the crankshaft, allowing it to rotate smoothly within the engine block. By providing a low-friction interface between the crankshaft and the engine block, main bearings help to minimize wear and ensure efficient power transmission from the engine to the drivetrain ².

Purpose of the Cummins 3019180 Main Bearing

The Cummins 3019180 Main Bearing is specifically engineered to support the crankshaft in truck engines. It plays a role in reducing friction between the crankshaft and the engine block, which contributes to the engine’s overall efficiency and longevity. By facilitating smooth rotation of the crankshaft, this bearing helps to maintain the engine’s performance under various operating conditions ³.

Key Features

The Cummins 3019180 Main Bearing is characterized by its robust design and the use of high-quality materials. These features contribute to its durability and performance. The bearing’s design includes precision-machined surfaces and a robust construction that enhances its ability to withstand the high loads and temperatures encountered in commercial truck engines ⁴.

Benefits

Utilizing the Cummins 3019180 Main Bearing in truck engines offers several advantages. These include improved engine efficiency due to reduced friction, decreased wear and tear on the crankshaft and engine block, and enhanced reliability of the engine. The bearing’s design and materials contribute to these benefits, making it a valuable component for maintaining engine performance ¹.

Installation Considerations

When installing the Cummins 3019180 Main Bearing, it is important to follow guidelines and best practices to ensure proper function and longevity. This includes adhering to specified torque settings for securing the bearing in place, ensuring correct alignment with the crankshaft, and using recommended tools for installation. Proper installation is key to achieving the bearing’s intended performance and durability ⁴.

Maintenance and Troubleshooting

To ensure the Cummins 3019180 Main Bearing operates at its best, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, ensuring adequate lubrication, and addressing any issues promptly. Common troubleshooting techniques for problems such as excessive wear or unusual noise may involve checking the bearing’s alignment, lubrication levels, and the condition of the crankshaft and engine block ².

Compatibility of Cummins Main Bearing Part 3019180 with Various Engine Models

The Cummins Main Bearing part number 3019180 is designed to fit into a variety of engine models, ensuring reliable performance and durability across different applications. This part is integral to the smooth operation of the crankshaft within the engine block, providing essential support and reducing friction.

G855 and G855 CM558 Engines

The G855 and G855 CM558 engines both benefit from the use of the Cummins Main Bearing part 3019180. These engines are known for their robust design and efficiency, and the main bearing plays a crucial role in maintaining the integrity of the crankshaft and engine block interface.

GTA855 CM558 (CM2358) G101 Engine

The GTA855 CM558 (CM2358) G101 engine also utilizes the Cummins Main Bearing part 3019180. This engine is part of the advanced G-Series lineup, offering high power output and reliability. The main bearing is critical in this setup, ensuring the crankshaft remains securely in place under high-stress conditions.

N14 CELECT and N14 CELECT PLUS Engines

The N14 CELECT and N14 CELECT PLUS engines are equipped with the Cummins Main Bearing part 3019180. These engines are designed for heavy-duty applications, and the main bearing’s role in reducing friction and wear is essential for maintaining performance over long periods.

N14 G and N14 MECHANICAL Engines

Both the N14 G and N14 MECHANICAL engines incorporate the Cummins Main Bearing part 3019180. These engines are known for their durability and are used in various industrial and transportation applications. The main bearing ensures that the crankshaft operates smoothly, contributing to the engine’s longevity.

NH/NT 855 Engines

The NH/NT 855 engines are another series that uses the Cummins Main Bearing part 3019180. These engines are designed for agricultural and construction machinery, where reliability and performance are paramount. The main bearing’s precision and strength are vital for the engine’s operational efficiency.

QSN14 CM876 N103 and QSNT14 CM876 N102 Engines

Lastly, the QSN14 CM876 N103 and QSNT14 CM876 N102 engines also feature the Cummins Main Bearing part 3019180. These engines are part of the Q-Series lineup, known for their high power output and advanced technology. The main bearing is essential in these engines, providing the necessary support to handle the high loads and stresses encountered in demanding environments.

Role of Part 3019180 Main Bearing in Engine Systems

The part 3019180 Main Bearing is an integral component in the assembly and functionality of various engine systems. It facilitates smooth operation by reducing friction between the crankshaft and the engine block. Here’s how it integrates with the provided components:

• Base Parts and Parts Base: The main bearing is often one of the foundational components included in the base parts or parts base, ensuring the crankshaft is properly supported.

• Bearing Gasket Kit and Bearing/Gasket Kit: These kits usually contain the main bearings along with gaskets to seal different engine compartments, ensuring no oil leaks around the crankshaft area.

• Block and Cylinder Block: The main bearing fits into the main bearing journals within the engine block, allowing the crankshaft to rotate smoothly inside the cylinder block.

• Block Short Kit and Cylinder Short Block: In these assemblies, the main bearing is essential for connecting the crankshaft to the block, enabling efficient power transmission from the crankshaft to the rest of the engine.

• Block, Cyl Short NTC-300: Specific to this configuration, the main bearing ensures that the crankshaft maintains proper alignment and reduces wear within the engine block.

• Crankshaft: The main bearing directly interfaces with the crankshaft, providing a low-friction surface that allows the crankshaft to spin at high speeds without excessive wear.

• Engine Overhaul Kit and Overhaul Kit: These kits typically include main bearings to replace worn-out components during an engine rebuild, ensuring the crankshaft operates smoothly post-overhaul.

• Engine Spares and Set of Spares: Main bearings are commonly stocked as spares due to their frequent replacement needs during maintenance or repair procedures.

• Long Block: In a long block assembly, which includes the cylinder block, crankshaft, and main bearings, the main bearing plays a key role in supporting the crankshaft and ensuring engine durability.

• Main Bearing Set Shell, Main Bearing Shell, and Main Bearing-Standard Set: These sets often include the part 3019180, providing the necessary components to support the crankshaft journals effectively.

• Main Bearing Stud Set and Main Bearing-Stud Set: These sets may include main bearings along with studs for additional support and alignment of the crankshaft within the engine block.

• Short Assembly Block, Short Block, and Short Block Assembly Kit: In these configurations, the main bearing is vital for maintaining the structural integrity and operational efficiency of the crankshaft within the short block.

• Short Block Kit: This kit usually contains main bearings to ensure that the crankshaft is properly supported when the short block is installed in the engine.

Conclusion

In summary, the Cummins 3019180 Main Bearing is a fundamental component across various engine systems, providing essential support and reducing friction for the crankshaft, thereby contributing to the overall efficiency and longevity of the engine ¹²³⁴.