3092880
Main Bearing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$289.95 $345.04

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

Introduction

The Cummins 3092880 Main Bearing is a component designed for use in heavy-duty truck engines. Its purpose is to facilitate the smooth operation of the engine by supporting the crankshaft and managing rotational forces. This part plays a role in maintaining engine performance and longevity by ensuring that the crankshaft operates with minimal friction and wear 2.

Basic Concepts of Main Bearings

Main bearings are components found in internal combustion engines that support the crankshaft. Their function is to allow the crankshaft to rotate with minimal friction, which is vital for the efficient operation of the engine. There are several types of main bearings, including solid, split, and trimetal bearings, each designed to handle different loads and operating conditions. These bearings contribute to the overall operation of the engine by ensuring that the crankshaft remains properly aligned and supported, which is important for the engine’s balance and efficiency 1.

Role of the 3092880 Main Bearing in Truck Operation

The Cummins 3092880 Main Bearing plays a specific role in the operation of a truck engine by supporting the crankshaft and managing rotational forces. This bearing is positioned between the crankshaft and the engine block, allowing the crankshaft to rotate smoothly under the high loads and speeds typical of heavy-duty truck engines. By reducing friction and wear on the crankshaft, the 3092880 Main Bearing helps to maintain engine efficiency and reliability 2.

Key Features of the 3092880 Main Bearing

The design and construction features of the Cummins 3092880 Main Bearing include a material composition that is optimized for durability and performance under heavy-duty conditions. This bearing is engineered to have a high load-bearing capacity, which allows it to support the crankshaft effectively. Unique design elements, such as precision machining and advanced materials, enhance the bearing’s performance by providing superior resistance to wear and fatigue 2.

Benefits of Using the 3092880 Main Bearing

The advantages provided by the Cummins 3092880 Main Bearing include improved engine efficiency, reduced wear and tear on the crankshaft, and enhanced durability under heavy-duty conditions. By ensuring smooth operation of the crankshaft, this bearing contributes to the overall performance and reliability of the engine. Its design also helps to minimize maintenance requirements and extend the service life of the engine 2.

Installation and Maintenance

Proper installation of the Cummins 3092880 Main Bearing is important for ensuring optimal performance and longevity. Guidelines for installation include careful handling to avoid contamination and damage, as well as precise alignment with the crankshaft and engine block. Recommended maintenance practices involve regular inspection for signs of wear or damage, and replacement as necessary to prevent engine failure. Tips for ensuring optimal performance include using the correct lubrication and maintaining proper engine operating conditions 1.

Troubleshooting Common Issues

Common problems associated with main bearings can include excessive wear, misalignment, and contamination. Diagnostic methods for detecting issues with the Cummins 3092880 Main Bearing involve visual inspection, measurement of clearances, and analysis of oil samples for metal particles. Recommended solutions for addressing bearing-related problems include proper installation, regular maintenance, and replacement of worn or damaged bearings to prevent further engine damage 1.

Cummins: A Brief Overview

Cummins Inc. is a company with a long history of providing quality products in the automotive and heavy-duty truck industry. Its product range includes engines, filtration systems, and power generation equipment, all designed with a commitment to quality and innovation. Cummins is known for its expertise in engine technology and its dedication to meeting the needs of its customers with reliable and efficient products. The company’s reputation is built on a foundation of engineering excellence and a focus on customer satisfaction 2.

Compatibility and Performance

The Cummins part number 3092880, a Main Bearing, is designed to fit seamlessly into various Cummins engines, ensuring smooth operation and longevity. This part is integral to the engines’ performance, providing support and reducing friction between the crankshaft and engine block.

QST30 CM2350 T101 and QST30 CM552 Engines

The Cummins part number 3092880 is compatible with both the QST30 CM2350 T101 and QST30 CM552 engines. These engines are known for their robust design and reliability, often used in heavy-duty applications. The main bearing ensures that the crankshaft remains properly aligned and reduces wear, contributing to the overall efficiency and durability of the engine 2.

Installation and Maintenance

When installing the main bearing in these engines, it is crucial to follow the manufacturer’s guidelines to ensure proper fit and function. The bearing’s precision-engineered dimensions allow it to fit snugly within the engine’s specified tolerances, providing a stable platform for the crankshaft to rotate. Regular maintenance checks are recommended to ensure the bearing remains in optimal condition, preventing potential engine damage due to wear or misalignment 1.

Engine Groups

The compatibility of the Cummins part number 3092880 extends to other similar engine models within the Cummins engine family. This part is engineered to meet the stringent standards required for high-performance engines, ensuring consistent reliability across various applications 2.

Conclusion

The Cummins 3092880 Main Bearing is a critical component in the operation of heavy-duty truck engines. Its design and features contribute to the efficient and reliable performance of the engine by supporting the crankshaft and reducing friction. Proper installation, regular maintenance, and timely replacement of this bearing are essential for maintaining engine efficiency and longevity. Cummins’ commitment to quality and innovation ensures that this part meets the high standards required for heavy-duty applications.


  1. Deanna Sclar, Auto Repair for Dummies: 2nd Edition, For Dummies, 2008.

  2. Frank Sander, Diesel Mechanics, First Edition, Global Media, 2007.

SPECIFICATIONS

Service Part Topic
02T1-1
Notes
Lower, #4
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
8.25 x 2.63 x 4.0 in
Weight
1.1 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.