Description:Sleeve bearing for the front idler group that provides track adjustment mechanism and support for the front of tracks.Attributes:• Outside Diameter: 54 mm (2.1259 in)• Inside Diameter: 35 mm (1.3779 in)• Length: 34 mm (1.3385 in)Application:Used on idler assembly on Mini Hydraulic Excavators. Consult your owner's manual or contact your local Cat Dealer for more information.