3019202
Main Bearing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$26.95 $32.07

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 3019202 Main Bearing is a component designed for use in commercial truck engines. Its purpose is to facilitate the smooth operation of the engine by supporting the crankshaft and reducing friction. The significance of this bearing in the operation of commercial trucks lies in its ability to enhance engine performance, durability, and efficiency.

Basic Concepts of Main Bearings

Main bearings are components found in internal combustion engines. Their function is to support the crankshaft, allowing it to rotate with minimal friction. This is achieved through a combination of precise engineering and the use of materials that can withstand high loads and temperatures 1. The performance and durability of an engine are significantly influenced by the quality and condition of its main bearings.

Purpose of the Cummins 3019202 Main Bearing

This Cummins part plays a role in the operation of a truck engine by supporting the crankshaft. This support is crucial for maintaining the crankshaft’s alignment and allowing it to rotate smoothly. By reducing friction between the crankshaft and the engine block, the bearing contributes to the engine’s efficiency and longevity 2.

Key Features of the Cummins 3019202 Main Bearing

The Cummins 3019202 Main Bearing is characterized by its design and construction features, which include the use of high-quality materials and precision engineering. These features ensure that the bearing can withstand the high loads and temperatures encountered in commercial truck engines. Unique characteristics of the bearing, such as its design, enhance its performance and reliability.

Benefits of Using Cummins 3019202 Main Bearings

Installing Cummins 3019202 Main Bearings in commercial trucks offers several advantages. These include improved engine efficiency, as the bearing reduces friction and allows for smoother crankshaft rotation. Additionally, the bearing contributes to the engine’s longevity and reliability, making it a valuable component for truck operators 3.

Installation Considerations

When installing the Cummins 3019202 Main Bearing, it is important to follow guidelines and best practices to ensure proper fit and alignment. This includes using the necessary tools, preparing the engine block, and checking the bearing for any signs of damage before installation. Proper installation is key to ensuring the bearing’s performance and the engine’s overall efficiency.

Maintenance and Troubleshooting

To ensure the optimal performance of the Cummins 3019202 Main Bearing, regular maintenance is required. This includes inspecting the bearing at recommended intervals, ensuring proper lubrication, and being aware of common signs of wear or failure. Troubleshooting steps for addressing issues related to main bearings may involve checking for proper alignment, lubrication, and signs of damage.

Cummins: A Brief Overview

Cummins Inc. is a company with a long-standing reputation in the industry for producing high-quality automotive components. Founded with a commitment to innovation and excellence, Cummins has established itself as a leader in the production of engines and related parts, including the 3019202 Main Bearing. The company’s dedication to quality and performance is evident in its products, which are designed to meet the demanding requirements of commercial truck engines.

Role of Part 3019202 Main Bearing in Engine Systems

The part 3019202 Main Bearing, specifically the .040 set and 0.040 set, plays a significant role in the efficient operation of engine systems. These bearings are designed to support the crankshaft within the engine block, allowing it to rotate smoothly with minimal friction.

When the crankshaft rotates, it generates power by converting the linear motion of the pistons into rotational motion. The main bearings facilitate this process by providing a low-friction interface between the crankshaft and the engine block.

These bearings are typically installed in the main bearing journals of the crankshaft. The .040 and 0.040 sets indicate the clearance between the bearing and the journal, which is essential for proper lubrication and heat dissipation. Adequate clearance ensures that oil can flow between the bearing and the journal, reducing wear and tear on both components.

In addition to supporting the crankshaft, the main bearings also help in maintaining the alignment of the crankshaft within the engine block. This alignment is vital for the precise timing of the engine’s valves and pistons, which directly impacts the engine’s performance and longevity.

The main bearings work in conjunction with other components such as the oil pump, which supplies pressurized oil to the bearings, and the oil filter, which ensures that the oil remains clean and free of contaminants that could cause damage.

Overall, the part 3019202 Main Bearing is integral to the smooth and efficient operation of the engine, contributing to its durability and performance.

Conclusion

The Cummins 3019202 Main Bearing is a critical component in the operation of commercial truck engines, offering benefits such as improved efficiency, durability, and reliability. Proper installation, maintenance, and troubleshooting are essential to ensure the optimal performance of this part. Cummins Inc.’s commitment to quality and innovation is reflected in the design and functionality of the 3019202 Main Bearing, making it a valuable asset for truck operators.


  1. Dixon, John C. Tyres Suspension and Handling Second Edition. SAE International, 1996.

  2. Dempsey, Paul. Troubleshooting and Repairing Diesel Engines, 5th Edition. McGraw-Hill, 2018.

  3. Cummins Inc. QSN14 CM876 N103, Service Manual (4358358).

SPECIFICATIONS

Notes
1.00 mm Oversize
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
5.7 x 2.6 x 2.9 in
Weight
0.61 lb
* 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.