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Nov . 11, 2024 05:46 Back to list

Dimensions and Specifications of 628zz Bearings for Various Applications

Understanding the Dimensions of 628ZZ Bearings


In the world of machinery and engineering, bearings play a critical role in ensuring smooth operation and reducing friction between moving parts. One of the commonly used bearings is the 628ZZ bearing, which has gained popularity due to its compact size and versatile applications. In this article, we will delve into the dimensions and specifications of the 628ZZ bearing, helping you understand its features and how it can be used effectively in various applications.


What is a 628ZZ Bearing?


The 628ZZ bearing is a miniaturized ball bearing that is part of the 600 series of bearings produced by various manufacturers. The ZZ designation indicates that the bearing is shielded on both sides with metal shields, which provide an extra layer of protection against dust, dirt, and contaminants. This feature is particularly useful in environments where the bearings are exposed to harsh conditions.


Dimensions of the 628ZZ Bearing


The dimensions of the 628ZZ bearing are standardized, making it easy to find and replace in various applications. Here are the key specifications


- Inner Diameter (ID) 8 mm - Outer Diameter (OD) 24 mm - Width (W) 8 mm


These dimensions contribute to the bearing's compact design, allowing it to fit into spaces where larger bearings would not be practical. The internal structure of the 628ZZ bearing consists of deep groove ball bearings, which are designed to accommodate both radial and axial loads.


Load Ratings


628zz bearing dimensions

628zz bearing dimensions

Another critical aspect of the 628ZZ bearing is its load ratings, which indicate the maximum loads that the bearing can handle while maintaining optimal performance. The dynamic load rating, which represents the maximum load the bearing can endure while in motion, is approximately 4,600 N (newtons). The static load rating, used to measure the maximum load when the bearing is stationary, is around 2,300 N. These ratings make the 628ZZ suitable for a variety of applications, from electric motors to robotics.


Applications

The unique dimensions and properties of the 628ZZ bearing make it suitable for a wide range of applications. Some of the most common uses include


1. Electric Motors Due to their ability to handle high speeds and loads, 628ZZ bearings are often found in small electric motors, where compact size and efficiency are paramount.


2. Bicycles In the cycling industry, these bearings can be used in wheel hubs, bottom brackets, and other components requiring smooth rotation.


3. Robotics The precision and reliability of the 628ZZ bearing make it ideal for robotic systems, where accuracy and performance are crucial.


4. Consumer Electronics Many devices, such as printers and small appliances, utilize 628ZZ bearings due to their compact size and efficiency.


Conclusion


In summary, the 628ZZ bearing is a small yet powerful component that plays a vital role in many mechanical systems. Understanding its dimensions—inner diameter of 8 mm, outer diameter of 24 mm, and width of 8 mm—along with its load capacities, allows engineers and hobbyists alike to make informed decisions about their use. Whether you're designing a new project or maintaining existing machinery, the 628ZZ bearing offers the reliability and performance needed in various applications. As technology advances and the demand for smaller, more efficient components increases, the importance of understanding bearing dimensions, such as those of the 628ZZ, will continue to grow.


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