Spiral Retaining Ring 0.042 in Thk PK10 System of Measurement Inch Location Style Internal Thickness 0.042 in Fits Shaft Diameter Not Applicable For Bore Diameter 7/8 in Fits Groove Diameter 0.931 in Fits Groove Width 0.046 in Fits Groove Depth 0.028 in Free Outside Diameter 0.943 in Material Steel Finish Plain Material Grade/Class Ungraded Tensile Strength 221 000 psi Ring Type Spiral Retaining Ring Material Quality Standards ANSI Pack Size Small Pack