Retaining Ring Internal 0.093 in Thk PK10 System of Measurement Not Applicable Location Style Internal Thickness 0.093 in Fits Shaft Diameter Not Applicable For Bore Diameter 2 7/8 in Fits Groove Diameter 3.051 in Fits Groove Width 0.103 in Fits Groove Depth Not Applicable Free Inside Diameter Not Applicable Free Outside Diameter 3.191 in Clearance Diameter 2.875 in Material Steel Finish Plain Material Grade/Class Ungraded Tensile Strength Not Applicable Ring Type Retaining Ring