Retaining Ring,Internal,0.05 in Thk,PK25, System of Measurement Inch, Location Style Internal, Thickness 0.05 in, Fits Shaft Diameter Not Applicable, For Bore Diameter 1 1/4 in, Fits Groove Diameter 1.33 in, Fits Groove Width 0.056 in, Fits Groove Depth 0.04 in, Free Outside Diameter 1.388 in, Clearance Diameter 0.955 in, Material Steel, Finish Zinc Plated, Material Grade/Class Ungraded, Tensile Strength 150,000 psi, Ring Type Housing Ring, Clearance Diameter Type Expanded