Retaining Ring,External,0.078 In. Thk,PK10, System of Measurement Inch, Location Style External, Thickness 0.078 in, Fits Shaft Diameter 2 1/2 in, For Bore Diameter Not Applicable, Fits Groove Diameter 2.36 in, Fits Groove Width 0.086 in, Fits Groove Depth 0.07 in, Free Inside Diameter 2.313 in, Clearance Diameter 3.12 in, Material Steel, Finish Zinc Plated, Material Grade/Class Ungraded, Tensile Strength 150,000 psi, Ring Type External Retaining Ring, Clearance Diameter Type Expanded