Опорное кольцо, внутренний диаметр 47,73 мм Caterpillar 5268761

A Backup Ring is a type of sealing component that is used in conjunction with an O-ring to prevent extrusion under high pressure and temperature conditions. It is typically made of a harder material than the O-ring, such as plastic or metal, and is placed on the opposite side of the O-ring from the pressure sourceAttributes:• Manufactured to precise specifications and are built for durability and reliability• Provides good resistance to wear and tearApplications:A Backup Ring is used to provide a tight connection between the components in the hydraulic cylinder.