Retaining Ring External 0.05 in Thk PK50 System of Measurement Not Applicable Location Style External Thickness 0.05 in Fits Shaft Diameter 3/4 in For Bore Diameter Not Applicable Fits Groove Diameter 1.725 in Fits Groove Width 0.068 in Fits Groove Depth Not Applicable Free Inside Diameter Not Applicable Free Outside Diameter 1.804 in Clearance Diameter 0.75 in Material Steel Finish Plain Material Grade/Class Ungraded Tensile Strength Not Applicable Ring Type Retaining Ring