Retaining Ring,Internal,0.05 in Thk,PK25, System of Measurement Not Applicable, Location Style Internal, Thickness 0.05 in, Fits Shaft Diameter Not Applicable, For Bore Diameter 1 1/4 in, Fits Groove Diameter 1.33 in, Fits Groove Width 0.056 in, Fits Groove Depth Not Applicable, Free Inside Diameter Not Applicable, Free Outside Diameter 1.388 in, Clearance Diameter 1.25 in, Material Steel, Finish Plain, Material Grade/Class Ungraded, Tensile Strength Not Applicable, Ring Type Retaining Ring