Spiral Retaining Ring 0.078 in Thk PK5 System of Measurement Inch Location Style Internal Thickness 0.078 in Fits Shaft Diameter Not Applicable For Bore Diameter 2 1/4 in Fits Groove Diameter 2.382 in Fits Groove Width 0.086 in Fits Groove Depth 0.066 in Free Outside Diameter 2.399 in Material Steel Finish Plain Material Grade/Class Ungraded Tensile Strength 211 000 psi Ring Type Spiral Retaining Ring Material Quality Standards ANSI Pack Size Small Pack