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 1 in Fits Groove Diameter 1.066 in Fits Groove Width 0.046 in Fits Groove Depth 0.033 in Free Outside Diameter 1.08 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