3935644
Roller Bearing
Cummins®

The Cummins 3935644 Roller Bearing is a specialized component designed for use in commercial trucks. It serves a significant role in the mechanical systems of these vehicles, contributing to their overall performance and reliability. Understanding its purpose and functionality is key to maintaining and optimizing truck operations.

Basic Concepts of Roller Bearings

Roller bearings are mechanical components that facilitate the smooth rotation of moving parts within machinery. They consist of an inner ring, an outer ring, and rolling elements—typically cylindrical rollers—that reduce friction between moving parts. In mechanical systems, roller bearings are used to support radial and axial loads, ensuring efficient and reliable operation ¹.

Purpose of the 3935644 Roller Bearing

The 3935644 Roller Bearing is specifically designed to operate within the mechanical systems of commercial trucks. It plays a role in supporting and facilitating the rotation of various components, such as shafts and axles, under significant loads. Its function is to minimize friction and wear, thereby contributing to the efficient operation of the truck ².

Key Features

The 3935644 Roller Bearing is characterized by its robust design and high-quality materials. It features precision-machined rings and high-grade steel rollers, which are designed to withstand heavy loads and operate under varying conditions. The bearing’s design includes features that enhance its performance, such as optimized roller geometry and advanced lubrication systems.

Benefits of Using the 3935644 Roller Bearing

Utilizing the 3935644 Roller Bearing in truck operations offers several advantages. It contributes to improved efficiency by reducing friction and wear on moving parts. Its durable construction ensures long-term reliability, even under demanding conditions. Additionally, the bearing’s design enhances the overall performance and longevity of the truck’s mechanical system.

Installation Considerations

Proper installation of the 3935644 Roller Bearing is vital to ensure optimal performance and longevity. It is important to follow manufacturer guidelines, which may include specific torque settings and alignment procedures. Careful attention to these details during installation helps prevent premature wear and ensures the bearing operates as intended.

Maintenance and Troubleshooting

Regular maintenance practices are essential for the longevity and performance of the 3935644 Roller Bearing. This includes periodic inspections for signs of wear or damage, as well as ensuring proper lubrication. Troubleshooting common issues, such as unusual noise or vibration, can often be addressed through these maintenance practices, helping to identify and resolve problems before they lead to more significant issues.

Performance in Various Conditions

The 3935644 Roller Bearing is engineered to perform under a range of operating conditions. It is capable of handling heavy loads and operating efficiently across varying temperatures. Its design and material selection contribute to its ability to maintain performance in challenging environments, ensuring reliable truck operation.

Cummins Corporation Overview

Cummins Corporation is a leading manufacturer in the commercial truck industry, known for its wide range of products and strong reputation for quality and innovation. With a history of providing reliable and high-performance components, Cummins continues to be a trusted name in the industry, offering solutions that meet the demanding requirements of commercial truck operations.

Cummins Engine Compatibility with Roller Bearing Part 3935644

The Cummins Roller Bearing part 3935644 is a critical component designed to ensure smooth and efficient operation in various Cummins engine models. This part is engineered to withstand high loads and provide reliable performance, making it a vital element in the engine’s overall functionality.

Compatibility with Specific Engine Models

4B3.9, 6B5.9, 6C8.3, B4.5, B4.5 CM2350 B129B, B5.9 CM2670 B166C, B5.9 G, B5.9 GAS PLUS CM556, B6.7 CM2670 B164C, C GAS PLUS CM556, C8.3 G, F3.8 CM2350 F128C, F3.8 CM2620 F137B, F3.8 F102, F4.5 CM2620 F141C

These engines, which span various configurations and applications, benefit from the precision and durability of the 3935644 roller bearing. This part is integral to the operation of the crankshaft, ensuring that it rotates smoothly and efficiently, thereby enhancing the engine’s performance and longevity.

ISB CM550, ISB/ISD4.5 CM2150 B119, ISB/ISD6.7 CM2150 SN, ISB6.7 CM2250, ISBE CM2150, ISBE4 CM850, ISC CM2150, ISC CM554, ISC CM850, ISC8.3 CM2250

The ISB, ISBE, and ISC series engines also rely on the 3935644 roller bearing for optimal performance. These engines, known for their robust design and efficiency, incorporate this bearing to maintain the integrity of the crankshaft and reduce friction, leading to improved fuel efficiency and reduced wear.

Grouping of Engine Models

The engines listed can be grouped based on their series and configurations:

• B Series Engines: 4B3.9, 6B5.9, 6C8.3, B4.5, B4.5 CM2350 B129B, B5.9 CM2670 B166C, B5.9 G, B5.9 GAS PLUS CM556, B6.7 CM2670 B164C, C GAS PLUS CM556, C8.3 G, F3.8 CM2350 F128C, F3.8 CM2620 F137B, F3.8 F102, F4.5 CM2620 F141C
• ISB/ISBE/ISC Series Engines: ISB CM550, ISB/ISD4.5 CM2150 B119, ISB/ISD6.7 CM2150 SN, ISB6.7 CM2250, ISBE CM2150, ISBE4 CM850, ISC CM2150, ISC CM554, ISC CM850, ISC8.3 CM2250

Each group represents a range of engine models that share common design principles and performance characteristics, making the 3935644 roller bearing a versatile and essential component across these platforms.

Role of Part 3935644 Roller Bearing in Engine Systems

The 3935644 Roller Bearing is an integral component in various engine systems, facilitating smooth operation and efficient power transmission. Here’s how it integrates with different components:

Accessory Drive Gear

The Roller Bearing ensures the accessory drive gear operates with minimal friction, allowing for efficient transfer of rotational energy to accessories such as alternators and water pumps.

Drive Systems

In both the front and rear gear train accessory drives, the Roller Bearing supports the shafts, enabling them to rotate smoothly. This reduces wear and tear, enhancing the longevity of the drive systems.

Auxiliary Pump Drive

When integrated into the auxiliary pump drive, the Roller Bearing allows for seamless operation of the pump, ensuring consistent fluid delivery throughout the engine system.

Front and Rear Gear Train Accessory Drives

Within these systems, the Roller Bearing maintains precise alignment and smooth rotation of the gears, which is essential for the synchronized operation of various engine components.

Housing and Flywheel

In the housing and flywheel assembly, the Roller Bearing supports the flywheel’s rotation, contributing to stable engine operation and efficient energy storage and release.

Hydraulic Pump Adapter and Drive

For the hydraulic pump adapter and drive, the Roller Bearing ensures that the pump operates without excessive friction, which is vital for maintaining hydraulic pressure and system efficiency.

Mounting Systems

In the mounting systems for auxiliary pumps and gear train accessories, the Roller Bearing provides a stable and friction-reduced interface, allowing these components to function optimally without undue stress.

Auxiliary Pump

The Roller Bearing in the auxiliary pump system ensures that the pump can operate efficiently, providing necessary lubrication and cooling fluids to various engine parts.

By reducing friction and wear, the 3935644 Roller Bearing plays a significant role in the reliable and efficient operation of these engine components.

Conclusion

The Cummins 3935644 Roller Bearing is a critical component in the mechanical systems of commercial trucks, contributing to their performance and reliability. Its robust design, high-quality materials, and precise engineering make it suitable for a wide range of operating conditions. Proper installation, regular maintenance, and understanding its role in various engine systems are essential for maximizing its benefits and ensuring the longevity of truck operations.