Retaining Ring External 0.015 in Thk PK50 System of Measurement Not Applicable Location Style External Thickness 0.015 in Fits Shaft Diameter 7/16 in For Bore Diameter Not Applicable Fits Groove Depth Not Applicable Free Inside Diameter Not Applicable Free Outside Diameter 0.737 in Clearance Diameter 0.4375 in Material Steel Finish Plain Material Grade/Class Ungraded Tensile Strength Not Applicable Ring Type Retaining Ring Shank Diameter Not Applicable