The Freudenberg-NOK Industrial Dichtomatik oil seal measures 2.875" x 3.876" x 0.438" and is made from NBR (BUNA) material, providing excellent sealing performance in various applications. This oil seal is designed to withstand oil and other fluids, ensuring durability and reliability. Its precise dimensions make it suitable for a range of mechanical systems, offering effective sealing under pressure. The SP designation indicates its specific design features, making it a versatile choice for maintenance and repair tasks.