Split Retaining Ring 0.075 in Thk PK25 System of Measurement Inch Location Style External Thickness 0.075 in Fits Shaft Diameter 9/16 in For Bore Diameter Not Applicable Fits Groove Diameter 0.279 in Fits Groove Width 0.083 in Fits Groove Depth - Free Outside Diameter 0.822 in Clearance Diameter 0.563 in Material Steel Finish Zinc Plated Material Grade/Class Ungraded Tensile Strength 47 000 psi Ring Type X-Ring Clearance Diameter Type Compressed Pack Size Small Pack