Internal Medium Duty Spiral Ring System of Measurement Inch Location Style Internal Thickness 0.037 in Fits Shaft Diameter Not Applicable For Bore Diameter 1 in Fits Groove Diameter 1.043 in Fits Groove Width 0.042 in Fits Groove Depth 0.021 in Free Inside Diameter Not Applicable Free Outside Diameter 1.054 in Clearance Diameter Not Applicable Material Stainless Steel Material Grade/Class 18-8 Tensile Strength Not Applicable Ring Type Internal Med Duty Spiral Ring