Retaining Ring,Internal,0.8 mm Thk,PK100, System of Measurement Metric, Location Style Internal, Thickness 0.8 mm, Fits Shaft Diameter Not Applicable, For Bore Diameter 9 mm, Fits Groove Diameter 9.4 mm, Fits Groove Width 0.9 mm, Free Outside Diameter 9.8 mm, Clearance Diameter 3.7 mm, Material Steel, Finish Plain, Material Grade/Class Ungraded, Ring Type Housing Ring, Clearance Diameter Type Compressed, Material Quality Standards DIN 472, Pack Size Small Pack