The Freudenberg-NOK AS568-284 SIMRIZ SZ134 is engineered for optimal sealing performance with an 18" inner diameter and 18-1/4" outer diameter, featuring a thickness of 1/8". This oil seal is made from high-quality materials, ensuring durability and resistance to wear. It is designed to meet stringent industry standards, making it suitable for various applications, including automotive and industrial machinery. The SZ134 provides reliable sealing, preventing fluid leakage and maintaining system efficiency. Its robust construction allows it to withstand challenging operating conditions.