Retaining Ring External 0.109 in Thk System of Measurement Not Applicable Location Style External Thickness 0.109 in Fits Shaft Diameter 4 in For Bore Diameter Not Applicable Fits Groove Diameter 3.792 in Fits Groove Width 0.12 in Fits Groove Depth Not Applicable Free Inside Diameter Not Applicable Clearance Diameter 4 in Material Steel Finish Plain Material Grade/Class Ungraded Tensile Strength Not Applicable Ring Type Retaining Ring Shank Diameter Not Applicable