Retaining Ring Internal 0.042 in Thk PK50 System of Measurement Inch Location Style Internal Thickness 0.042 in Fits Shaft Diameter Not Applicable For Bore Diameter 13/16 in Fits Groove Diameter 0.862 in Fits Groove Width 0.046 in Fits Groove Depth 0.025 in Free Outside Diameter 0.901 in Material Steel Finish Zinc Plated Material Grade/Class Ungraded Tensile Strength 150 000 psi Ring Type Housing Ring Clearance Diameter Type Expanded Material Quality Standards ASME