Retaining Ring External 0.062 in Thk PK25 System of Measurement Not Applicable Location Style External Thickness 0.062 in Fits Shaft Diameter 1 31/32 in For Bore Diameter Not Applicable Fits Groove Diameter 1.857 in Fits Groove Width 0.068 in Fits Groove Depth Not Applicable Free Inside Diameter Not Applicable Clearance Diameter 1.9688 in Material Steel Finish Plain Material Grade/Class Ungraded Tensile Strength Not Applicable Ring Type Retaining Ring