Retaining Ring,Internal,0.078 In. Thk,PK10, 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 1.82 in, Material Steel, Finish Zinc Plated, Material Grade/Class Ungraded, Tensile Strength 150,000 psi, Ring Type Housing Ring, Clearance Diameter Type Expanded