External Medium Duty Spiral Ring System of Measurement Inch Location Style External Thickness 0.043 in Fits Shaft Diameter 1 1/2 in For Bore Diameter Not Applicable Fits Groove Diameter 1.448 in Fits Groove Width 0.048 in Fits Groove Depth 0.026 in Free Inside Diameter 1.433 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 Medium Duty Spiral Ring