C-Style Ring System of Measurement Inch Location Style External Thickness 0.05 in Fits Shaft Diameter 1 1/2 in For Bore Diameter Not Applicable Fits Groove Diameter 1.35 in Fits Groove Width 0.056 in Fits Groove Depth 0.075 in Free Inside Diameter 1.331 in Free Outside Diameter 1.691 in Clearance Diameter 1.72 in Material Steel Material Grade/Class Not Graded Tensile Strength Not Applicable Ring Type C-Style External Ring Thickness Tolerance +/-0.002 in