Retaining 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 1.406 in, Fits Groove Width 0.056 in, Fits Groove Depth 0.047 in, Free Inside Diameter 1.387 in, Free Outside Diameter Not Applicable, Clearance Diameter 1.78 in, Material Steel, Finish Black Phosphate, Material Grade/Class Not Graded, Tensile Strength Not Applicable, Ring Type External Retaining Ring