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Nov . 10, 2024 01:52 Back to list

Specifications and Measurements of 6904z Bearing for Optimal Performance

Understanding the Dimensions and Specifications of 6904Z Bearings


Bearings play a crucial role in the functionality of various mechanical systems. One such popular type of bearing is the 6904Z bearing, which is widely used in different applications due to its versatile design and robust performance. In this article, we will explore the dimensions and specifications of the 6904Z bearing, helping engineers and hobbyists alike understand its utility in various settings.


Design and Structure


The 6904Z bearing is a single row deep groove ball bearing, which means it is designed to handle both radial and axial loads effectively. Its structure is characterized by a series of balls nestled between two raceways within an outer and inner ring. This configuration allows for smooth rotation and minimizes friction, making it ideal for applications requiring high-speed operation.


Dimensions


The dimensions of the 6904Z bearing are standardized, facilitating easier replacement and maintenance. Here are the key dimensions typically associated with this bearing


- Inner Diameter (d) 20 mm - Outer Diameter (D) 37 mm - Width (B) 9 mm


These dimensions fit well within various mechanical components, making it compatible with many designs. The 6904Z bearing's compact size allows it to be utilized in applications where space is limited, without sacrificing load capacity.


Load Ratings


6904z bearing dimensions

6904z bearing dimensions

Understanding load ratings for bearings is crucial for selecting the right component for any application. The dynamic load rating (C) for the 6904Z bearing is approximately 9.9 kN, while the static load rating (C0) is about 5.6 kN. These specifications indicate the maximum load the bearing can handle during operation and in a static state, respectively. It’s vital to select a bearing that not only fits the design but can also withstand the expected loads to ensure longevity and performance.


Speed Ratings


The speed rating of a bearing is another critical factor influencing its selection. The 6904Z bearing can typically handle speeds of up to 15,000 RPM under ideal conditions. However, the actual operational speed might be influenced by factors such as lubrication, load conditions, and ambient temperature. Maintaining optimal operating conditions is essential to achieving the best performance from this bearing.


Material and Sealing


The construction material of the 6904Z bearing plays a significant role in its durability. Typically made from high-quality chrome steel, these bearings exhibit high hardness and wear resistance. Furthermore, the Z designation in its name signifies that the bearing comes with a metal shield on one side, protecting the inner components from dirt and moisture while allowing for lubrication retention. This shielding extends the bearing's lifespan, making it suitable for various environments, particularly those with exposure to debris.


Applications


The versatility of the 6904Z bearing means it can be used in a wide range of applications. Commonly, it is found in electric motors, fans, automotive components, and household appliances. Its ability to handle both radial and axial loads makes it an excellent choice for applications that require reliable performance under dynamic conditions.


Conclusion


In conclusion, the 6904Z bearing is a highly versatile component characterized by its compact design, robust load ratings, and industrial-grade material. Its standardized dimensions, along with a protective shield, make it an asset in many mechanical systems. Whether you are an engineer designing a complex machine or a hobbyist working on a small project, understanding the key specifications of the 6904Z bearing will help you make informed decisions for reliable and efficient operations. By choosing the right bearing for your needs, you can ensure optimal performance and longevity in your applications.


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