Retaining Ring Internal 0.078 in Thk System of Measurement Inch Location Style Internal Thickness 0.078 in Fits Shaft Diameter Not Applicable For Bore Diameter 2 1/2 in Fits Groove Diameter 2.648 in Fits Groove Width 0.086 in Fits Groove Depth 0.074 in Free Outside Diameter 2.775 in Clearance Diameter 2.05 in Material Stainless Steel Finish Plain Material Grade/Class 18-8 Tensile Strength 150 000 psi Ring Type Housing Ring Material Quality Standards ASME