How to replace shielded bearings

How to Replace Shielded Bearings

How to Replace Shielded Bearings


Replacing shielded bearings is an essential task in the maintenance and repair of various machinery and equipment. Shielded bearings play a crucial role in providing support and reducing friction in rotating parts. In this article, we will explore the process of replacing shielded bearings and highlight important considerations to ensure a successful replacement.

1. Understanding Shielded Bearings

Shielded bearings are a type of rolling element bearing that features a metal shield on one or both sides. This shield protects the bearing from contaminants such as dust and debris, prolonging its lifespan and maintaining optimal performance. Understanding the structure and function of shielded bearings is essential before attempting to replace them.

2. Preparing for Replacement

Before replacing shielded bearings, it is crucial to gather the necessary tools and equipment. This includes a bearing puller, lubricants, cleaning solvents, and safety gear such as gloves and goggles. Additionally, it is important to consult the equipment’s manual or seek professional advice to ensure the correct size and type of replacement bearings are procured.

3. Removing the Old Bearings

Begin the replacement process by disconnecting the equipment from its power source and ensuring it is in a safe and stable position. Use the bearing puller to carefully remove the old shielded bearings from their housing. Take note of any damage or wear on the bearings, as this may indicate underlying issues that require further attention.

4. Cleaning and Inspection

After removing the old bearings, clean the bearing housing and surrounding components using a suitable cleaning solvent. Inspect the housing for any signs of damage or misalignment that may have contributed to the bearing failure. Thoroughly inspect the new replacement bearings for any defects or abnormalities before proceeding to the installation phase.

5. Lubrication and Installation

Proper lubrication is key to ensuring the longevity and smooth operation of shielded bearings. Apply the recommended lubricant to the new bearings and the housing, following the manufacturer’s specifications. Carefully install the new shielded bearings into the housing, ensuring they are correctly aligned and seated securely.

6. Testing and Adjustment

Once the new shielded bearings are in place, reconnect the equipment to its power source and conduct a series of tests to ensure proper functionality. Monitor for any abnormal vibrations, noises, or excessive heat generation during operation. If required, make any necessary adjustments to achieve optimal performance.


Replacing shielded bearings is a critical maintenance task that should be performed with precision and care. By following the steps outlined in this article, you can ensure a successful replacement process that contributes to the smooth and efficient operation of your equipment.

Shielded Bearings

Application of Shielded Bearings

Shielded bearings find extensive use in various industries, including automotive, manufacturing, and machinery. Their ability to withstand high speeds and provide reliable performance makes them ideal for applications such as conveyor systems, electric motors, and agricultural equipment.

Application of Shielded Bearings

About Our Company

Author: Czh

Our company holds a leading position in the bearings market in China. We offer a wide range of products, including shielded bearings, track bearings, plastic rollers with bearings, ball bearing rollers, sliding bearings, cup bearings, cage bearings, and more. With 300 sets of various automatic CNC production equipment and fully automated assembly equipment, we ensure the highest quality standards in our products.

With competitive prices and excellent customer service, we are committed to providing top-notch products to our customers. We also offer customization services based on customer requirements. Feel free to provide us with your drawings or samples for customized solutions.

Our Factory

Thank you for choosing our company. We are dedicated to meeting your bearing needs with our high-quality products, competitive pricing, and attentive service. Contact us today for all your bearing requirements.


Recent Posts