30x47x7 oil seal
Skeleton oil seals are widely used in various applications, including automotive, aerospace, and industrial machinery. In the automotive sector, they can be found in engines, transmissions, and differential components. Their ability to prevent oil leakage is vital for maintaining engine performance and longevity. Similarly, in aerospace applications, these seals are essential for ensuring that hydraulic and fuel systems operate efficiently without contamination.
skeleton oil seal


dust sealing. In industries such as food processing, pharmaceuticals, and electronics manufacturing, even small amounts of dust contamination can have a significant impact on the quality of the final product. By implementing effective dust sealing techniques, companies can maintain the integrity of their products and uphold high-quality standards.

rotary shaft oil seals. By reducing the amount of oil leakage and contamination, oil seals help to maintain the optimal performance of the machine and extend its service life. This, in turn, leads to cost savings for the operator by reducing maintenance and repair costs.


Using the caliper or micrometer, measure the inner diameter of the brake drum. If the drum displays a lip or ridge from wear, ensure your measurement captures the least-worn area. A typical brake drum has a specified maximum permissible diameter, which can be found in the vehicle’s service manual. This measurement is critical; if the drum exceeds its maximum diameter due to wear, it may need to be replaced.
how to measure a drum brake
