18 x 49 ironing board cover_utility cart liner

4. Outer Diameter The outer part of the seal fits snugly into the housing, preventing external contaminants from entering the system.

Shaft oil seals, often referred to as rotary shaft seals or simply oil seals, are vital components in a wide array of machinery and automotive applications. They play a crucial role in preventing the leakage of lubricants from rotating shafts while keeping out contaminants such as dirt, dust, and moisture. These seals are critical for maintaining the efficiency and longevity of mechanical systems, making it essential to understand their design, functionality, and maintenance requirements.