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Oct . 10, 2024 01:44 Back to list

6904z bearing dimensions

Understanding the Dimensions and Specifications of 6904Z Bearings


Bearings play a critical role in the functionality and efficiency of a wide range of machinery and mechanical systems. Among various types, the 6904Z bearing stands out due to its specific design, versatility, and robustness. This article delves into the dimensions and specifications of the 6904Z bearing, elucidating its importance in different applications.


Overview of 6904Z Bearings


The 6904Z bearing belongs to the 6900 series of deep groove ball bearings. It is widely used in automotive, aerospace, and industrial machinery. The designation “Z” indicates the presence of a shield on one side, which provides protection against contaminants and retains lubrication, enhancing the bearing's lifespan and performance.


Dimensions of the 6904Z Bearing


The dimensions of the 6904Z bearing are pivotal for its application. Standard measurements are critical to ensure compatibility with various mechanical systems. Here are the key dimensions


- Inner Diameter (ID) 20 mm - Outer Diameter (OD) 37 mm - Width (W) 9 mm


These dimensions allow the 6904Z bearing to fit into a range of assemblies while providing optimal performance. Its compact size makes it suitable for space-constrained applications where traditional bearings might be too bulky.


Load Capacities


6904z bearing dimensions

6904z bearing dimensions

One of the critical factors in selecting a bearing is its load-carrying capacity. The 6904Z bearing can handle both radial and axial loads, making it versatile for different mechanical configurations. The basic dynamic load rating (C) for this bearing is approximately 10.6 kN, while the static load rating (C0) is about 5.3 kN. Understanding these ratings is essential for engineers to ensure that the bearing will operate reliably under the expected load conditions.


Material and Durability

6904Z bearings are typically constructed from high-quality chrome steel (AISI 52100), which offers excellent wear resistance, strength, and durability. Some manufacturers also provide bearings made with stainless steel, which is advantageous in corrosive environments. The use of high-grade materials contributes to reducing the friction and heat generated during operation, thereby extending the bearing's life and ensuring reliable performance.


Applications of 6904Z Bearings


The unique dimensions and characteristics of the 6904Z bearing make it suitable for a variety of applications. It is commonly used in


1. Electric Motors The compact design allows the bearing to function efficiently in small motors. 2. Automotive Components From wheel hubs to engine systems, the 6904Z bearing contributes to the smooth operation of numerous automotive parts. 3. Bicycles Often found in hubs and other bicycle components, it provides a balance of strength and weight. 4. Robotics Its reliability and precision make it an excellent choice for robotic arms and other automated systems.


Conclusion


The 6904Z bearing exemplifies the importance of precise engineering and material selection in modern machinery. Its well-defined dimensions, robust load capacities, and versatile applications underline its value in various industries. When selecting a bearing, understanding these specifications is crucial to ensuring operational efficiency and durability. Overall, the 6904Z bearing remains a reliable choice for engineers and designers aiming to enhance the performance of their systems.


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