Retaining Ring External 0.035 in Thk PK50 System of Measurement Not Applicable Location Style External Thickness 0.035 in Fits Shaft Diameter 5/8 in For Bore Diameter Not Applicable Fits Groove Diameter 0.588 in Fits Groove Width 0.039 in Fits Groove Depth Not Applicable Free Inside Diameter Not Applicable Free Outside Diameter 0.889 in Clearance Diameter 0.625 in Material Steel Finish Plain Material Grade/Class Ungraded Tensile Strength Not Applicable Ring Type Retaining Ring