External Heavy Duty Spiral 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 1.69 in Free Outside Diameter Not Applicable Clearance Diameter Not Applicable Material Steel Finish Plain Material Grade/Class Not Graded Tensile Strength Not Applicable Ring Type External Heavy Duty Spiral Ring