Internal Light Duty Spiral Ring System of Measurement Inch Location Style Internal Thickness 0.018 in Fits Shaft Diameter Not Applicable For Bore Diameter 5/8 in Fits Groove Diameter 0.653 in Fits Groove Width 0.022 in Fits Groove Depth 0.014 in Free Inside Diameter Not Applicable Free Outside Diameter 0.656 in Clearance Diameter Not Applicable Material Stainless Steel Material Grade/Class 18-8 Tensile Strength Not Applicable Ring Type Internal Light Duty Spiral Ring