Bowed External Ring System of Measurement Inch Location Style External Thickness 0.05 in Fits Shaft Diameter 1 1/4 in For Bore Diameter Not Applicable Fits Groove Diameter 1.176 in Fits Groove Width 0.07 in Fits Groove Depth 0.037 in Free Inside Diameter 1.156 in Free Outside Diameter Not Applicable Clearance Diameter 1.62 in Material Steel Finish Black Phosphate Material Grade/Class Not Graded Tensile Strength Not Applicable Ring Type Bowed External Ring