SKF Bearing Appearance When Viewing "Point 5 Target"

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When inspecting SKF bearings, it's essential to pay close attention to several critical aspects that can affect performance and longevity. Here are five key points to consider: 1. **Cracks of Various Types** Cracks such as original data cracks, casting cracks, heat treatment cracks, and grinding cracks can significantly impact the bearing’s integrity. These flaws may act as stress concentration points during operation, leading to further expansion and eventual failure. In high-stakes applications, SKF ensures all components undergo 100% magnetic or radiographic inspection to prevent such defects from reaching the market. 2. **Cage Riveting and Welding Quality** The quality of the cage is crucial. Check for issues like misaligned rivet heads, tilting, looseness, missing material, or even “double eyelids.” For welded cages, ensure the welds are correctly positioned and not overly large. Poor welding or riveting can compromise the structural integrity of the bearing and lead to premature failure. 3. **Rust, Black Skin, and Pitting** Rust and pitting are common issues caused by improper storage, moisture, or dirt. Even minor rust can lead to contamination, early wear, and fatigue. Severe corrosion can render a bearing unusable, so it's important to check for these signs before installation. 4. **Peeling and Folding** Peeling and folding defects often indicate poor metal bonding. These imperfections may be accompanied by decarburization or a carbon-poor surface, which weakens the bearing’s structure. Such flaws can cause deformation, under-cutting, or excessive wear, reducing both the bearing’s lifespan and precision. 5. **Mechanical Scratches and Damage** Scratches, abrasions, dents, and other mechanical damage can create uneven loading and stress points. These issues can reduce rotational accuracy and shorten the bearing’s service life. Always inspect the surface carefully to identify any such damage. In addition to the above, other factors like poor labeling or unclear markings should also be considered as potential defects. Bearings with severe issues may not pass inspection, so buyers must remain vigilant when purchasing SKF bearings. --- **Related Bearing Knowledge:** - Talking about the basic needs of imported heavy-duty bearings for rolling bearings - INA angle contact bearing: Understanding the steel trademark and detailed parameters of NA4856 and 22212c/W33 This article is linked from http:// Please credit China Bearing Network http:// Previous: Selection of Rolling Bearing Oil Next: Lifetime Calculation of Rolling Bearing

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