Metric Basic Internal DIN472 System of Measurement Metric Location Style Internal Thickness 1.75 mm Fits Shaft Diameter Not Applicable For Bore Diameter 42 mm Fits Groove Diameter 44.5 mm Fits Groove Width 1.85 mm Fits Groove Depth 1.25 mm Free Inside Diameter Not Applicable Free Outside Diameter 45.5 mm Clearance Diameter Not Applicable Material Steel Material Grade/Class Not Graded Tensile Strength Not Applicable Ring Type Internal Ring Clearance Diameter Type Free OD