The BA U3 21X40X10 902 METRIC OIL SEAL is designed for effective sealing in various applications. This oil seal features dimensions of 21mm ID, 40mm OD, and 10mm width, making it suitable for a range of machinery and equipment. Constructed from high-quality materials, it provides excellent resistance to oil and other lubricants. The design ensures a secure fit, preventing leaks and contamination. This oil seal is ideal for use in automotive, industrial, and agricultural applications, ensuring reliable performance.