C-Style Ring System of Measurement Inch Location Style External Thickness 0.035 in Fits Shaft Diameter 1/2 in For Bore Diameter Not Applicable Fits Groove Diameter 0.45 in Fits Groove Width 0.039 in Fits Groove Depth 0.025 in Free Inside Diameter 0.441 in Free Outside Diameter 0.581 in Clearance Diameter 0.6 in Material Stainless Steel Finish Plain Material Grade/Class Not Graded Tensile Strength Not Applicable Ring Type C-Style External Ring Thickness Tolerance +/-0.002 in