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Nov . 19, 2024 12:21 Back to list

628zz bearing dimensions

Understanding the Dimensions and Applications of 628ZZ Bearings


Bearings are crucial components in machinery and mechanical systems, playing a vital role in reducing friction between moving parts and ensuring smooth operation. One popular bearing type used in various applications is the 628ZZ bearing. In this article, we will delve into the dimensions, structure, and applications of the 628ZZ bearing, providing insights into its importance in different industries.


Dimensions of the 628ZZ Bearing


The 628ZZ bearing is categorized as a miniature bearing, which means it is smaller and lighter than standard bearings. The dimensions of the 628ZZ are typically as follows


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


These compact dimensions make the 628ZZ bearing ideal for applications where space is limited. The 'ZZ' designation indicates that the bearing has metal shields on both sides, providing additional protection against dust and contaminants, thus enhancing its longevity and reliability.


Structure and Material


The 628ZZ bearing is constructed from high-quality steel, which provides strength and durability, making it suitable for high-speed applications. The inner and outer races are precisely machined to ensure effective load distribution and minimized friction. The bearing also contains high-quality ball elements that facilitate smooth rotation. The metal shields, which are integral to the design, help keep lubricants within the bearing while preventing debris from entering, maintaining performance over time.


Performance Characteristics


The performance of the 628ZZ bearing is characterized by several factors, including load capacity, speed ratings, and operating temperature. With a dynamic load rating of approximately 2.1 kN and a static load rating of around 1.1 kN, the 628ZZ can accommodate moderate loads while maintaining functionality. It is capable of operating at speeds up to 30,000 RPM, which makes it suitable for high-speed applications that require efficient performance.


628zz bearing dimensions

628zz bearing dimensions

Additionally, the operating temperature range for the 628ZZ bearing is generally between -30°C and 120°C, allowing for versatility in various environmental conditions. The combination of its compact size and robust construction ensures that this bearing can be utilized in diverse applications without compromising on performance.


Applications

The 628ZZ bearing is widely used in numerous industrial and commercial applications. Its small size and high-speed capabilities make it an excellent choice for


1. Electric Motors Many small electric motors utilize 628ZZ bearings in their design, allowing for efficient operation and longevity. 2. Robotics In robotic applications, these bearings are often found in joints and pivot points, facilitating smooth movement and precision.


3. Bicycles Bicycle hubs and pedals frequently employ 628ZZ bearings to ensure smooth rotation and effective power transfer.


4. Consumer Electronics Devices such as gaming consoles, printers, and drones often incorporate these bearings due to their compact size and reliability.


5. RC Vehicles Remote-controlled cars, boats, and drones benefit from the lightweight and high-speed capabilities of the 628ZZ bearing, enhancing overall performance.


Conclusion


In conclusion, the 628ZZ bearing is a versatile and reliable component used in various applications ranging from household electronics to advanced robotics. Its compact dimensions, strong construction, and high-speed capabilities make it a preferred choice in many industries. Understanding the specifications and applications of the 628ZZ bearing allows engineers and designers to make informed decisions when selecting the right components for their projects. As technology continues to advance, the demand for efficient and compact bearings like the 628ZZ will likely continue to grow, demonstrating the bearing's enduring relevance in modern mechanization.


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