FAG Imported Bearing Installation and Application Methods

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FAG imported bearings are high-precision components that require careful handling and proper installation to ensure optimal performance. No matter how advanced the bearing is, improper use or installation can lead to reduced efficiency, premature failure, or even damage. Therefore, it's essential to follow the correct application and installation procedures when using FAG bearings. Here are some key points to consider when using FAG bearings: 1. **Maintain Cleanliness Around the Bearings** Even tiny particles of dust that are invisible to the naked eye can cause serious issues for FAG bearings. It's crucial to keep the surrounding area clean and free from contaminants to prevent dust from entering the bearing. 2. **Avoid Impact and Excessive Force** During installation or operation, avoid applying strong impacts to the bearings. This can result in dents, scratches, or even cracks, which can significantly reduce the lifespan of the bearing. 3. **Use Proper Tools and Equipment** Ensure that you are using the correct tools and equipment during installation. Substituting tools or using improper methods can lead to misalignment or damage. 4. **Prevent Rust and Corrosion** The natural oils on your hands can cause rust on FAG bearings. Always wear gloves when handling them, especially in humid or corrosive environments. ### Correct Installation Method for FAG Bearings Many users may be familiar with FAG bearings but not with the proper installation techniques. The way a bearing is installed directly affects its accuracy, performance, and service life. Here are the recommended steps for installing FAG bearings: - **Pressing the Inner Ring onto the Shaft**: When the inner ring is tightly fitted to the shaft, and the outer ring is loosely fitted into the housing, the bearing should be pressed onto the shaft using a press. Then, the shaft with the bearing is inserted into the housing. A soft metal sleeve (such as copper or mild steel) should be used to protect the inner ring while pressing. The inner diameter of the sleeve should be slightly larger than the journal, while the outer diameter should be slightly smaller than the inner ring. - **Pressing the Outer Ring into the Housing**: If the outer ring is tightly fitted into the housing, and the inner ring is loosely fitted on the shaft, the bearing should first be pressed into the housing. The sleeve used should have an outer diameter slightly smaller than the seat hole. - **Both Rings Are Tightly Fitted**: In cases where both the inner and outer rings are tightly fitted, the bearing should be pressed onto both the shaft and the housing simultaneously. The installation sleeve should be designed to press both the inner and outer rings at the same time. ### Lubrication Recommendations It’s best to open the bearing cover and apply lubricant before use. However, for FAG bearings, molybdenum disulfide lithium-based grease is highly recommended due to its excellent heat resistance and wear protection. Calcium-based grease is less suitable for high-temperature applications. For motor bearings, the operating temperature should not exceed 70°C. High-speed bearings may require more frequent lubrication. Gearbox bearings should not exceed 60°C, as the internal oil provides smooth operation. Pump bearings should also remain below 65°C to ensure optimal performance.

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