E Style Retaining Ring,0.05 In. Thk,PK50, System of Measurement Inch, Location Style External, Thickness 0.05 in, Fits Shaft Diameter 63/64 in, For Bore Diameter Not Applicable, Fits Groove Diameter 0.835 in, Fits Groove Width 0.056 in, Fits Groove Depth 0.074 in, Free Inside Diameter 0.822 in, Free Outside Diameter 1.5 in, Clearance Diameter 1.5 in, Material Steel, Finish Zinc Plated, Material Grade/Class Ungraded, Tensile Strength 150,000 psi, Ring Type E-Style Ring