Retaining Ring Internal 0.035 in Thk PK50 System of Measurement Not Applicable Location Style Internal Thickness 0.035 in Fits Shaft Diameter Not Applicable For Bore Diameter 11/16 in Fits Groove Diameter 0.732 in Fits Groove Width 0.039 in Fits Groove Depth Not Applicable Free Inside Diameter Not Applicable Free Outside Diameter 0.763 in Clearance Diameter 0.6875 in Material Steel Finish Plain Material Grade/Class Ungraded Tensile Strength Not Applicable