Retaining Ring External 0.062 in Thk PK25 System of Measurement Inch Location Style External Thickness 0.062 in Fits Shaft Diameter 1 5/8 in For Bore Diameter Not Applicable Fits Groove Diameter 1.529 in Fits Groove Width 0.068 in Fits Groove Depth 0.048 in Free Inside Diameter 1.503 in Clearance Diameter 2.17 in Material Steel Finish Zinc Plated Material Grade/Class Ungraded Tensile Strength 150 000 psi Ring Type External Retaining Ring Clearance Diameter Type Expanded