External Heavy Duty Spiral Ring System of Measurement Inch Location Style External Thickness 0.05 in Fits Shaft Diameter 1 7/16 in For Bore Diameter Not Applicable Fits Groove Diameter 1.35 in Fits Groove Width 0.056 in Fits Groove Depth 0.044 in Free Inside Diameter 1.336 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