3970501
Ball Bearing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$31.95 $38.02

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 3970501 Ball Bearing is a specialized component designed for use in commercial trucks. It plays a role in the mechanical systems of these vehicles, contributing to their overall performance and reliability. Understanding its purpose and significance is key to appreciating its function within the complex environment of truck operations.

Basic Concepts of Ball Bearings

Ball bearings are mechanical components that facilitate smooth rotation by reducing friction between moving parts. They consist of an inner ring, an outer ring, and a series of balls held in place by a cage. When one ring rotates, the balls roll between the rings, allowing for efficient motion with minimal resistance. Ball bearings are widely used in various mechanical systems due to their ability to handle both radial and axial loads, making them indispensable in applications requiring high performance and durability 1.

Purpose of the 3970501 Ball Bearing in Truck Operation

This Cummins part plays a role in the operation of commercial trucks by supporting rotating components within the vehicle’s mechanical system. It is specifically designed to handle the high loads and stresses encountered in truck applications, ensuring smooth operation and longevity of the components it supports. Its applications within the truck’s mechanical system include supporting shafts, axles, and other rotating parts, thereby contributing to the vehicle’s overall efficiency and reliability 2.

Key Features of the 3970501 Ball Bearing

The design and construction of the 3970501 Ball Bearing incorporate several features that enhance its performance and durability. These include a precision-engineered design that ensures smooth operation, high-quality materials that provide strength and resistance to wear, and a load capacity that meets the demanding requirements of commercial truck applications. These features collectively contribute to the bearing’s ability to operate efficiently under heavy loads and in challenging conditions 3.

Benefits of Using the 3970501 Ball Bearing

Utilizing this part in commercial trucks offers several advantages. These include improved efficiency due to reduced friction, enhanced durability that extends the lifespan of the bearing and the components it supports, and a contribution to overall truck performance by ensuring smooth and reliable operation of rotating parts. These benefits make the 3970501 Ball Bearing a valuable component in the maintenance and operation of commercial trucks 4.

Installation and Integration

Proper installation and integration of the 3970501 Ball Bearing within a truck’s mechanical system are important for ensuring optimal performance and longevity. Guidelines for installation include ensuring the bearing is correctly aligned and securely fitted within its housing, and that all mating surfaces are clean and free from debris. Following these guidelines helps to prevent issues such as misalignment or premature wear, ensuring the bearing operates as intended.

Troubleshooting Common Issues

Common problems associated with ball bearings can include noise, vibration, and premature failure. Diagnosing these issues involves inspecting the bearing and its surrounding components for signs of wear, damage, or misalignment. Recommended solutions may include cleaning and lubricating the bearing, adjusting its fit within the housing, or replacing the bearing if it is found to be damaged. Regular maintenance and inspection can help to identify and address these issues before they lead to more significant problems.

Maintenance Practices

Recommended maintenance routines for the 3970501 Ball Bearing include regular lubrication to reduce friction and wear, and periodic inspection for signs of damage or wear. Lubrication intervals and inspection schedules should be based on the operating conditions and the manufacturer’s recommendations. Signs of wear or damage that require attention include unusual noise, vibration, or a decrease in performance, which may indicate that the bearing needs to be serviced or replaced.

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 a commitment to quality, Cummins has established a strong reputation in the commercial truck industry. Its product range includes a variety of components and systems designed to enhance the performance, efficiency, and reliability of commercial vehicles. Cummins’ dedication to quality and innovation is reflected in its offerings, including the 3970501 Ball Bearing, which is engineered to meet the demanding requirements of truck applications.

Compatibility of 3970501 with Cummins Engines

This part is designed to fit seamlessly within a variety of Cummins engine models. It is crucial for ensuring smooth operation and longevity of the engine components it supports.

B6.7 CM2670 and B153B Engines

The 3970501 is compatible with the B6.7 CM2670 and B153B engines. These engines are known for their robust performance and reliability, and the bearing ensures that the moving parts within these engines operate with minimal friction and wear.

F4.5 CM2620 and F139B Engines

Similarly, the 3970501 is also suitable for the F4.5 CM2620 and F139B engines. These engines benefit from the precision engineering of the bearing, which helps maintain the integrity of the engine’s moving parts over time.

ISB/ISD 4.5 CM2150 and B119 Engines

For the ISB/ISD 4.5 CM2150 and B119 engines, the 3970501 is an essential component. Its design ensures that the engine’s internal mechanisms function smoothly, contributing to the overall efficiency and durability of these engines.

ISB 5.9 G CM2180 Engine

The 3970501 is also compatible with the ISB 5.9 G CM2180 engine. This engine model relies on the bearing to maintain the precision of its moving parts, ensuring that the engine operates at peak performance.

ISBE CM2150 and ISBE4 CM850 Engines

Lastly, the 3970501 is suitable for the ISBE CM2150 and ISBE4 CM850 engines. These engines benefit from the bearing’s ability to reduce friction and wear, contributing to the longevity and reliability of the engine.

Role of 3970501 Ball Bearing in Engine Systems

In the context of engine systems, the 3970501 is instrumental in ensuring smooth and efficient operation of various components.

Clutch System

Within the clutch system, the Ball Bearing facilitates the rotation of the clutch release bearing (also known as the throw-out bearing). This bearing is positioned between the diaphragm spring and the pressure plate. As the clutch pedal is depressed, the release bearing moves along the splines of the input shaft, disengaging the clutch. The Ball Bearing minimizes friction, allowing the release bearing to move freely and evenly, which is essential for the precise engagement and disengagement of the clutch. This results in a smoother operation and reduces wear on the clutch components.

Rear Differential

In the rear differential, the Ball Bearing plays a significant role in the operation of the differential gears. It is commonly used in the pinion gear support and the carrier assembly. The Ball Bearing allows the pinion gear to rotate with minimal resistance, which is vital for the efficient transfer of power from the driveshaft to the wheels. Additionally, in the carrier assembly, the Ball Bearing supports the planet gears, enabling them to rotate around the ring gear smoothly. This is important for maintaining the proper gear ratios and ensuring that power is distributed evenly to the rear wheels, enhancing both performance and durability of the differential.

Conclusion

The Cummins 3970501 Ball Bearing is a critical component in the operation of commercial trucks and Cummins engines. Its design and features contribute to the smooth and efficient operation of various mechanical systems, ensuring the longevity and reliability of the components it supports. Proper installation, maintenance, and troubleshooting are essential for maximizing the performance and lifespan of this part.


  1. Denton, T., & Pells, H. (2022). Automotive Technician Training, Second Edition. Routledge.

  2. Norman, A. (2016). Diesel Technology Fundamentals Service Repair Eighth Edition. The Goodheart-Willcox Company Inc.

  3. Brach, R. M. (2023). SAE International’s Dictionary of Vehicle Accident Reconstruction and Automotive Safety. SAE Books.

  4. Hilgers, M. (2023). Chassis and Axles. Springer Vieweg.

SPECIFICATIONS

Package Dimensions
2.5 x 2.5 x 0.5 in
Weight
0.44 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.