Vibropac Machinery Co.,Ltd , https://www.vibropac-power.com Detailed Description of the Lubrication and Sealing of Imported SKF Tapered Roller Bearings
Lubrication is a crucial factor in ensuring the smooth operation and long service life of SKF tapered roller bearings. Grease lubrication, while commonly used, can sometimes lead to uneven oil film distribution and poor appearance. Compared to oil lubrication, grease may not provide as stable performance, and its lifespan is generally shorter than that of rolling bearings. However, certain high-performance greases are designed for extended use, especially in applications such as boring spindles where a thin, even layer of grease can last over ten years.
In cases where improper lubrication occurs, it's essential to use high-quality grease and determine the appropriate lubrication and maintenance intervals. The lifespan of grease can vary significantly, so it's important to monitor and record these intervals over time. Once the optimal schedule is established, under favorable environmental conditions, selecting the right seal can help maintain the effectiveness of the grease for a longer period. If the bearing’s required lifespan isn't too demanding, a single lubrication may be sufficient without the need for frequent re-lubrication. However, this approach should be carefully managed to avoid potential issues.
Seals play a vital role in preventing the loss of lubricant and keeping contaminants out of the bearing. A well-designed seal ensures both cleanliness and longevity. At the same time, factors such as simplicity, cost, and the sealing efficiency must be considered. Choosing the right seal based on environmental conditions and application requirements can greatly enhance the performance of the bearing. On the other hand, improper seal selection—such as using a contact seal at high speeds—can generate heat, wear quickly, and eventually lose its sealing function. This can result in contamination from wear particles or pressure imbalances in non-contact seals, leading to reduced performance.
Additionally, adding extreme pressure additives and anti-wear agents to the lubricant can further improve the service life of SKF tapered roller bearings, especially in heavy-duty applications.
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Source: Bearing Network | Time: 2013-04-21