C-Style Ring System of Measurement Inch Location Style External Thickness 0.042 in Fits Shaft Diameter 7/8 in For Bore Diameter Not Applicable Fits Groove Diameter 0.789 in Fits Groove Width 0.046 in Fits Groove Depth 0.043 in Free Inside Diameter 0.777 in Free Outside Diameter 0.991 in Clearance Diameter 1.01 in Material Steel Material Grade/Class Not Graded Tensile Strength Not Applicable Ring Type C-Style External Ring Thickness Tolerance +/-0.002 in