Shielded bearings size chart

Shielded Bearings Size Chart

Shielded bearings are an essential component in various industries, ensuring the smooth operation of machinery and equipment. In this article, we will explore the importance of shielded bearings and provide a comprehensive size chart to guide you in selecting the right bearings for your specific needs.

1. Understanding Shielded Bearings

Shielded bearings, also known as sealed bearings, are designed to prevent contaminants from entering the bearing, enhancing its lifespan and performance. They feature protective shields or seals on both sides to shield the moving parts from external elements such as dust, moisture, and debris. By creating a barrier, shielded bearings offer increased durability and reliability, making them ideal for demanding applications.

2. Advantages of Shielded Bearings

2.1 Enhanced Protection:

Shielded bearings provide superior protection against external contaminants, ensuring optimal performance and reducing the risk of premature failure. The shields effectively block out dust, dirt, and other particles, preventing them from reaching the internal components.

2.2 Extended Lifespan:

With their enhanced protection, shielded bearings offer a longer lifespan compared to open bearings. The shields act as a barrier, reducing the wear and tear caused by contaminants, resulting in improved durability and reliability.

2.3 Reduced Maintenance:

By preventing the ingress of contaminants, shielded bearings require less frequent maintenance. Their design minimizes the need for cleaning and lubrication, saving both time and resources.

3. Shielded Bearings Size Chart

Below is a comprehensive size chart for shielded bearings, providing detailed specifications to assist you in selecting the appropriate bearings for your application:

4. Applications of Shielded Bearings

Shielded bearings find extensive applications across various industries due to their reliable performance and enhanced protection. Some common applications include:

4.1 Automotive Industry:

Shielded bearings are widely used in automotive applications, where they provide support and smooth rotation for various components such as wheels, transmissions, and engines.

4.2 Industrial Machinery:

In industrial machinery, shielded bearings are utilized in motors, pumps, conveyors, and other equipment, ensuring efficient operation and extending the lifespan of critical components.

4.3 Electrical Equipment:

Shielded bearings are essential in electrical equipment, including generators, electric motors, and fans, offering reliable performance and reducing the risk of electrical failure.


Shielded bearings offer enhanced protection and extended lifespan, making them a crucial component in numerous industries. Refer to the comprehensive size chart provided to select the appropriate shielded bearings for your specific requirements.

Author: Czh


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