3519627
Turbocharger Bearing
Cummins®

The Cummins 3519627 Turbocharger Bearing is a component designed to support the operation of turbochargers in heavy-duty trucks. Its purpose is to facilitate the smooth rotation of the turbocharger’s rotor assembly, which is vital for the efficient operation of the engine. The bearing’s significance lies in its ability to maintain the turbocharger’s performance under high-stress conditions, contributing to the overall reliability and efficiency of the truck’s engine.

Basic Concepts of Turbocharger Bearings

Turbocharger bearings are integral to the functioning of a turbocharger. They support the rotating components within the turbocharger assembly, allowing them to spin at high speeds. This rotation compresses the intake air, which is then forced into the engine’s combustion chambers. The efficiency of these bearings directly influences the performance of the turbocharger and, by extension, the engine’s power output and fuel efficiency ¹.

Role of the 3519627 Turbocharger Bearing in Truck Operation

The 3519627 Turbocharger Bearing plays a specific role in the turbocharger system by supporting the turbocharger’s rotating components. It enables the rotor to spin smoothly, which is necessary for the turbocharger to compress intake air effectively. This compression enhances engine efficiency by allowing more air—and consequently, more fuel—to be burned in each combustion cycle, leading to increased power output and improved fuel economy ².

Key Features of the 3519627 Turbocharger Bearing

The design and construction of the 3519627 Turbocharger Bearing incorporate several features that enhance its performance and durability. It is engineered with precision to ensure smooth operation under high-speed conditions. The materials used in its construction are selected for their ability to withstand high temperatures and pressures, common in heavy-duty truck engines. Additionally, the bearing’s design may include features such as advanced lubrication systems to reduce friction and wear, contributing to its longevity and reliability ³.

Benefits of Using the 3519627 Turbocharger Bearing

Utilizing the 3519627 Turbocharger Bearing offers several advantages. It contributes to improved engine efficiency by ensuring the turbocharger operates smoothly and effectively. Reduced friction within the bearing leads to lower energy losses, enhancing the overall performance of the turbocharger. Furthermore, the bearing’s durable construction and precision engineering support its long-term reliability, reducing the likelihood of unexpected failures and maintenance needs ⁴.

Troubleshooting Common Issues with Turbocharger Bearings

Identifying and addressing common problems associated with turbocharger bearings is crucial for maintaining engine performance. Symptoms of bearing failure may include unusual noises from the turbocharger, decreased engine performance, or oil leaks around the turbocharger. Diagnostic procedures may involve visual inspections, listening for abnormal sounds, and checking for oil contamination or leaks. Recommended corrective actions could range from cleaning and lubricating the bearing to replacing it if damage is detected ⁵.

Maintenance Tips for Turbocharger Bearings

Maintaining turbocharger bearings is key to ensuring optimal performance and longevity. Regular inspection for signs of wear or damage is recommended. Proper lubrication, following the manufacturer’s guidelines, is crucial for reducing friction and preventing premature wear. Additionally, adhering to recommended maintenance schedules for the turbocharger and engine can help identify potential issues early, ensuring the bearing and the turbocharger remain in good working condition ⁶.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history of innovation and quality, Cummins has established a strong reputation in the automotive and heavy-duty truck industry. The company’s commitment to advancing technology and delivering reliable, high-performance products underscores its position as a leader in the field.

Compatibility of the 3519627 Turbocharger Bearing

The turbocharger bearing part number 3519627, manufactured by Cummins, is designed to fit a variety of Cummins engines. This bearing is integral to the turbocharger system, ensuring smooth operation and efficiency.

For the QSK19 CM500, QSK19 CM850 MCRS, QSK45 CM500, QSK50 CM2150 MCRS, QSK60 CM500, QSK60G, QSK78 CM500, QST30 CM552, QSV81G, QSV91G, QSW/QSV82, QSW36, and QSW73 engines, the turbocharger bearing is a critical component that supports the turbocharger’s rotating assembly. It ensures that the turbocharger operates within its designed parameters, maintaining performance and reliability.

In the 6B5.9, K19, K38, K50, N14 MECHANICAL, NH/NT 855, V28, V903, and VTA903 CM2250 V105 engines, the turbocharger bearing part number 3519627 plays a similar role. It is essential for the proper functioning of the turbocharger, contributing to the engine’s overall efficiency and power output.

The compatibility of the turbocharger bearing across these engines highlights its versatility and importance in maintaining the performance of Cummins’ diverse engine lineup.

Role of Part 3519627 Turbocharger Bearing in Engine Systems

The part 3519627 Turbocharger Bearing is an essential component in the operation of various turbocharger systems. It facilitates the smooth rotation of the turbocharger’s rotor assembly, which is vital for efficient air compression and subsequent engine performance enhancement.

Integration with Specific Components

Turbocharger Systems

• 50 State 444 Turbocharger: The bearing ensures the rotor spins with minimal friction, allowing the turbocharger to maintain optimal boost levels across a wide range of engine speeds.
• Aftermarket Turbocharger: In aftermarket applications, the bearing’s precision engineering contributes to the turbocharger’s reliability and performance, often exceeding OEM specifications.
• Heat80 Turbocharger: Here, the bearing supports high-speed rotation under extreme thermal conditions, ensuring consistent turbo performance.

Core Assemblies and Heat Exchangers

• Core Assembly Heat Exchanger 83 and 4C: The bearing’s role is to maintain the integrity of the rotating assembly within these core components, which are responsible for managing the turbocharger’s thermal efficiency.
• Core Assembly Heat 80: Similarly, it supports the turbocharger’s ability to handle high thermal loads without compromising performance.

Engine and Piston Components

• Connecting Rod and Piston, Engine Piston, Engine Piston Kit: The efficient operation of the turbocharger, supported by the bearing, directly influences the engine’s power output and fuel efficiency. A well-functioning turbocharger allows these components to operate under optimal conditions.
• Cylinder Block: The bearing’s contribution to turbocharger efficiency indirectly affects the cylinder block’s performance by ensuring consistent air supply, which is crucial for combustion efficiency.

Bearing and Seal Kits

• HC5A Bearing/Seal Kit, Heat4B Bearing/Seal Kit: These kits often include components that work in tandem with the 3519627 bearing to ensure the turbocharger’s longevity and performance. The bearing’s compatibility with these kits is essential for maintaining turbocharger efficiency.

Repair and Overhaul Kits

• Kit Turbocharger Repair, Turbo Repair HC5A, Overhaul Kit: The bearing is a key component in these kits, addressing wear and tear in the turbocharger’s rotating assembly. Its replacement or maintenance is a common procedure in turbocharger overhauls.
• Turbocharger T18-A Kit, Turbocharger Repair Heat Exchanger 82 Kit: These kits often include the bearing as a critical component for restoring turbocharger performance to factory standards or beyond.

Additional Components

• Intake Manifold, On Board Spares, Protective Cover, Short Block 6CTA, Turbo, HC5A, BHT4C: The bearing’s efficient operation within the turbocharger affects these components by ensuring a consistent and reliable boost, which is essential for the engine’s overall performance and durability.

Conclusion

In summary, the 3519627 Turbocharger Bearing plays a significant role in the efficient operation of various turbocharger systems and their integration with engine components. Its proper function is essential for maintaining the performance and reliability of the turbocharger and, by extension, the engine system it serves.