E Style Retaining Ring 0.05 in Thk PK50 System of Measurement Inch Location Style External Thickness 0.05 in Fits Shaft Diameter 3/4 in For Bore Diameter Not Applicable Fits Groove Diameter 0.625 in Fits Groove Width 0.056 in Fits Groove Depth 0.062 in Free Inside Diameter 0.616 in Free Outside Diameter 1 in Material Steel Finish Zinc Plated Material Grade/Class Ungraded Tensile Strength 150 000 psi Ring Type E-Style Retaining Ring Material Quality Standards ASME