**Bearing Fault Repair**
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Bearings are essential components that support rotating shafts and are often subjected to heavy loads. They are also one of the most common parts that experience wear over time. Understanding how to identify and repair bearing faults is crucial for maintaining machinery efficiency and safety.
**Common Signs of Bearing Faults During Operation**
When a rolling bearing lacks proper lubrication, you may hear a “clacking†or “knocking†sound. If the noise sounds more like a “crackling†or irregular tapping, it could indicate that the bearing’s inner or outer race has cracked. Additionally, if the bearing is contaminated with sand, dust, or other debris, or if the internal components are worn, it may produce subtle, unusual noises.
**Inspection After Disassembly**
Once the bearing is removed, inspect the rolling elements and the raceways for damage, rust, or scoring. Hold the inner ring and rotate the outer ring; if there is any noticeable wobbling, excessive resistance, or the outer ring moves backward after rotation, the bearing is likely damaged and should be replaced. Another test involves pressing the inner and outer rings in different directions—if it feels excessively loose, this indicates severe wear.
**Repair and Replacement**
If the bearing shows surface rust, use fine sandpaper (such as No. 00) to gently remove it, then clean it with gasoline. However, if the bearing has cracks, broken races, or excessive wear, it must be replaced. When replacing, always use a bearing of the same type as the original to ensure compatibility and performance.
**Important Tips**
- Always check for proper lubrication before installation.
- Ensure the housing and shaft are clean and free of debris.
- Follow manufacturer guidelines for installation and maintenance.
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Bearing Fault Repair
Source: China Bearing Network | Date: April 8, 2013
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This article is linked to http:// Please cite the China Bearing Network: http://
Previous: Alto mini-car crankshaft bearing abnormal sound analysis and troubleshooting Next: What is an embedded bearing?
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