Retaining Ring External 0.062 in Thk PK10 System of Measurement Inch Location Style External Thickness 0.062 in Fits Shaft Diameter 1 9/16 in For Bore Diameter Not Applicable Fits Groove Diameter 1.468 in Fits Groove Width 0.068 in Fits Groove Depth 0.047 in Free Inside Diameter 1.446 in Clearance Diameter 2.1 in Material Steel Finish Zinc Plated Material Grade/Class Ungraded Tensile Strength 150 000 psi Ring Type External Retaining Ring Clearance Diameter Type Expanded