Metric Internal Push-On Ring System of Measurement Metric Location Style Internal Thickness 0.4 mm Fits Shaft Diameter Not Applicable For Bore Diameter 20 mm Fits Groove Diameter 20.2 mm Fits Groove Width 0.8 mm Fits Groove Depth Not Applicable Free Inside Diameter 11 mm Free Outside Diameter Not Applicable Clearance Diameter Not Applicable Material Steel Material Grade/Class Not Graded Tensile Strength Not Applicable Ring Type Self-Locking Internal Push-On Ring