The Cat 2773012 Duo-Cone Seal is an authentic OEM component designed for demanding heavy-duty applications with high wear and abrasion. This robust seal ensures extended operational life in critical machinery components such as track rollers, idlers, transmissions, and other systems requiring superior sealing performance. With an inner diameter of 177.8 mm, an outer diameter of 203.2 mm, and a thickness of 17.5 mm, this seal provides reliable protection against contaminants and maintains lubrication integrity.