Retaining Ring,External,0.05 In. Thk,PK50, System of Measurement Not Applicable, Location Style External, Thickness 0.05 in, Fits Shaft Diameter 1 in, For Bore Diameter Not Applicable, Fits Groove Diameter 1.989 in, Fits Groove Width 0.068 in, Fits Groove Depth Not Applicable, Free Inside Diameter Not Applicable, Free Outside Diameter 2.072 in, Clearance Diameter 1 in, Material Steel, Finish Plain, Material Grade/Class Ungraded, Tensile Strength Not Applicable, Ring Type Retaining Ring