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 7/8 in, Fits Groove Diameter 0.931 in, Fits Groove Width 0.046 in, Fits Groove Depth Not Applicable, Free Inside Diameter Not Applicable, Free Outside Diameter 0.971 in, Clearance Diameter 0.875 in, Material Steel, Finish Plain, Material Grade/Class Ungraded, Tensile Strength Not Applicable, Ring Type Retaining Ring