121-7637: 172.6mm Internal Diameter Backup Ring

Description: A Backup Ring used in the rear axle is located between the axle shaft and the axle housing and is designed to prevent oil from leaking out of the axle unit. It is an essential component in ensuring proper operation and longevity of the rear axle, as it helps to prevent damage or failure due to oil leakage. Attributes: • Helps to prevent contamination of the axle assembly by dirt, debris, or other foreign objects • Manufactured to precise specifications and are built for durability and reliability Applications: A Backup Ring used in Rear Axle is used to ensure proper operation and longevity of the rear axle and can help to improve overall performance and reliability, this Backup Ring is mostly used in Cat Excavator, Material Handler, and Wheeled Excavator.