Basic External Ring System of Measurement Inch Location Style External Thickness 0.062 in Fits Shaft Diameter 1 13/16 in For Bore Diameter Not Applicable Fits Groove Diameter 1.708 in Fits Groove Width 0.068 in Fits Groove Depth 0.052 in Free Inside Diameter 1.675 in Free Outside Diameter Not Applicable Clearance Diameter 2.28 in Material Steel Material Grade/Class Not Graded Tensile Strength Not Applicable Ring Type External Ring Thickness Tolerance +/-0.003 in