Description:Pin seals are used in greased oscillating applications, like linkage pin joints. The seal is designed to prevent external contamination from entering the joint by slowly extruding grease during operation. Preventing contamination contributes to long joint life.Attributes:• Composite seal ring with tie strap• Inside Diameter: 184 mm (7.25 in)Application:Consult your owner’s manual or contact your local Cat Dealer for more information.