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 1/4 in Fits Groove Diameter 2.382 in Fits Groove Width 0.086 in Fits Groove Depth 0.066 in Free Outside Diameter 2.49 in Clearance Diameter 1.8 in Material Stainless Steel Finish Plain Material Grade/Class 18-8 Tensile Strength 150 000 psi Ring Type Housing Ring Clearance Diameter Type Expanded