Metric Basic Internal DIN472 System of Measurement Metric Location Style Internal Thickness 1 mm Fits Shaft Diameter Not Applicable For Bore Diameter 21 mm Fits Groove Diameter 22 mm Fits Groove Width 1.1 mm Fits Groove Depth 0.5 mm Free Inside Diameter Not Applicable Free Outside Diameter 22.5 mm Clearance Diameter Not Applicable Material Stainless Steel Finish Plain Material Grade/Class Not Graded Tensile Strength Not Applicable Ring Type Internal Ring