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Towel Bar,Towel Bar Supporing Chrome,Washroom Towel Bar,Height of Towel Bar Kaiping Jenor Sanitary Ware Co., Ltd , https://www.jenorsanitary.comHow to Inspect SKF Bearings by Appearance
When inspecting SKF bearings, it is essential to do so under proper lighting and with a magnifying glass for better visibility. Carefully examine the surface of the bearing for any signs of damage such as cracks, peeling, or folds.
1. **Peeling and Folding**
These defects are often not well bonded to the base metal and may be accompanied by varying degrees of decarburization or carbon depletion around them. These issues can lead to deformation, embossing, or wear, significantly affecting the bearing's performance and accuracy.
2. **Cage Riveting and Welding Quality**
Check whether the rivet heads are aligned properly, without tilting, looseness, or missing material. Ensure that the welding orientation is correct and that the solder joints are not too large. Any irregularities in these areas can cause problems during operation.
3. **Rust, Black Skin, and Pitting**
The latter two issues usually result from improper storage, especially due to moisture or dirt. Rust is one of the most common forms of degradation. Corrosion can lead to poor installation, early wear, and fatigue, and severe cases can render the bearing unusable.
4. **Mechanical Scratches and Dents**
Scratches, abrasions, crushes, and dents can all affect the bearing’s performance. These imperfections can cause uneven loading, stress concentration, and reduced rotational accuracy, ultimately shortening the bearing's service life.
5. **Cracks**
Cracks can occur in various forms, such as original cracks, casting cracks, heat treatment cracks, or grinding cracks. These cracks can become points of stress concentration during operation, leading to potential failure. In critical applications, SKF ensures that all components undergo 100% magnetic or radiographic inspection.
It's important to note that even minor defects—such as poor engraving, unclear markings, or damaged labels—should be considered as flaws. In severe cases, the bearing may not pass inspection at all.
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How to view the SKF bearing through the appearance
Source: Bearing Network | Time: August 12, 2013