Description:Spacer for use with the wheel bearing on the rear axle of the Cat Backhoe product line.Attributes:• Steel wheel bearing spacer• Inside Diameter: 111 mm (4.370 in)• Outside Diameter: 129 mm (5.0787 in)• Height: 19.415 mm (0.764 in)• Material Thickness: 4 mm (0.157 in)Application:Consult your owner's manual or contact your local Cat Dealer for more information.