200460
Main Bearing
Cummins®

Introduction

The Cummins 200460 Main Bearing is a critical component in heavy-duty truck engines, designed to facilitate the smooth rotation of the crankshaft. This part is engineered to withstand the rigorous demands of heavy-duty applications, ensuring reliable performance and longevity ¹.

Basic Concepts of Main Bearings

Main bearings are essential for engine operation, acting as the interface between the crankshaft and the engine block. They support the crankshaft, allowing it to rotate with minimal friction, which reduces wear and contributes to the engine’s efficiency and durability ².

Purpose of the Cummins 200460 Main Bearing

This Cummins part is specifically designed to support the crankshaft in heavy-duty truck engines. By providing a low-friction surface, it enables smooth rotation of the crankshaft, which is vital for the engine’s operation. The bearing distributes the load exerted by the crankshaft across the engine block, reducing the risk of wear and damage to the crankshaft journal ³.

Key Features

The Cummins 200460 Main Bearing features a robust design and high-quality materials. It has a precision-engineered surface that minimizes friction and wear. Constructed from materials resistant to fatigue and corrosion, it ensures durability in demanding conditions. Additionally, its design enhances oil flow, contributing to effective lubrication and cooling ⁴.

Benefits of Using Cummins 200460 Main Bearings

Utilizing this part in heavy-duty truck engines offers several advantages. It improves engine efficiency by reducing friction between the crankshaft and the engine block. It also minimizes wear and tear on the crankshaft, leading to enhanced reliability and extended engine life. The superior design and materials ensure it can withstand high loads and temperatures ⁵.

Installation and Maintenance

Proper installation of the Cummins 200460 Main Bearing is essential for optimal performance and longevity. Following manufacturer guidelines for installation, including the use of appropriate tools and techniques, is recommended to avoid damage to the bearing or crankshaft. Regular maintenance, such as monitoring oil quality and ensuring proper lubrication, is crucial for the efficient operation of the bearing over its lifespan ⁶.

Troubleshooting Common Issues

Common issues with main bearings include noise, excessive wear, and failure symptoms. These problems can often be traced back to inadequate lubrication, misalignment, or the use of incompatible components. Diagnostic steps may involve inspecting the bearing and crankshaft for signs of wear, checking oil quality and flow, and ensuring proper installation. Addressing these issues promptly helps maintain the engine’s performance and reliability ⁷.

Performance Enhancements

The Cummins 200460 Main Bearing enhances the overall performance of the engine by providing a stable and low-friction interface for the crankshaft. Its design and materials are optimized to handle the high loads and temperatures of heavy-duty applications, enhancing the engine’s load-bearing capacity and thermal management. The bearing’s integration with other engine components ensures smooth operation and efficiency ⁸.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the automotive and heavy-duty truck industry. The company’s commitment to quality and innovation is evident in its wide range of engine components, including the Cummins 200460 Main Bearing, which is designed to meet the demanding requirements of heavy-duty applications ⁹.

Conclusion

The Cummins 200460 Main Bearing is a vital component in heavy-duty truck engines, ensuring smooth operation and longevity. Its robust design, high-quality materials, and precise engineering contribute to the engine’s efficiency, reliability, and performance. Proper installation and maintenance are crucial for maximizing the benefits of this part.