Hebei Hankai hydraulic oil seal manufacturers
Next, we discuss the 40% figure, which can denote the allowable leakage rate for particular types of oil seals. Leakage can severely impact the overall performance of mechanical systems, leading to reduced lubrication and increased wear on components. A reputable oil seal must minimize leakage to a level that is often benchmarked at around 40% of the maximum allowable threshold for that system. Manufacturers pour significant resources into developing materials and designs that can achieve this standard, as minimizing leakage not only conserves lubricant but also enhances the efficiency and longevity of the machinery.
22 40 7 oil seal


One of the main benefits of using a hub dust seal is the protection it provides for the bearings inside the hub. Bearings are critical components of any machinery, and they are particularly vulnerable to damage from dust and other contaminants. By using a hub dust seal, you can help to extend the lifespan of your bearings and reduce the need for costly repairs or replacements.
hub dust seal
