Retaining Ring Internal 0.025 in Thk PK50 System of Measurement Inch Location Style Internal Thickness 0.025 in Fits Shaft Diameter Not Applicable For Bore Diameter 7/16 in Fits Groove Diameter 0.461 in Fits Groove Width 0.029 in Fits Groove Depth 0.012 in Free Outside Diameter 0.482 in Material Steel Finish Zinc Plated Material Grade/Class Ungraded Tensile Strength 120 000 psi Ring Type Housing Ring Clearance Diameter Type Expanded Material Quality Standards ASME