Retaining Ring, System of Measurement Inch, Location Style Internal, Thickness 0.049 in, Fits Shaft Diameter Not Applicable, For Bore Diameter 2 1/2 in, Fits Groove Diameter 2.582 in, Fits Groove Width 0.056 in, Fits Groove Depth 0.041 in, Free Inside Diameter Not Applicable, Free Outside Diameter 2.606 in, Clearance Diameter Not Applicable, Material Steel, Finish Plain, Material Grade/Class Not Graded, Tensile Strength Not Applicable, Ring Type Spiral Retaining Ring