Retaining Ring,Internal,0.042 In. Thk,PK50, System of Measurement Not Applicable, Location Style Internal, Thickness 0.042 in, Fits Shaft Diameter Not Applicable, For Bore Diameter 13/16 in, Fits Groove Diameter 0.862 in, Fits Groove Width 0.046 in, Fits Groove Depth Not Applicable, Free Inside Diameter Not Applicable, Free Outside Diameter 0.901 in, Clearance Diameter 0.8125 in, Material Steel, Finish Plain, Material Grade/Class Ungraded, Tensile Strength Not Applicable