The STR seal with dimensions of 1.187" inner diameter, 1.363" outer diameter, and a thickness of 0.027" is a high-quality product from Freudenberg-NOK. This T591Q model is designed for effective sealing in various applications, including hydraulic and pneumatic systems. Its robust construction ensures durability and resistance to environmental factors, making it suitable for demanding conditions. The precise dimensions allow for a snug fit, preventing leaks and ensuring optimal performance. This seal complies with industry standards, ensuring reliability and efficiency.