Опорное кольцо, внутренний диаметр 140 мм Caterpillar 5690084

A Backup Ring is fitted snugly around the bucket cylinder rod and provides a reliable sealing function. It is made from plastic material with a split or segmented design and placed between the sealing elements to prevent the entry of external elements into the cylinder.Attributes:• Ensures the proper sealing function for the cylinder rod• Offers high durability and good resistance to wear and tearApplications:A Backup Ring helps maintain hydraulic sealing integrity and provides resistance against extrusion, ensuring that the primary seal remains in its proper position and effectively prevents leakage of hydraulic fluid.