Retaining Ring,Internal,1.2 mm Thk,PK50, System of Measurement Metric, Location Style Internal, Thickness 1.2 mm, Fits Shaft Diameter Not Applicable, For Bore Diameter 30 mm, Fits Groove Diameter 31.4 mm, Fits Groove Width 1.3 mm, Free Outside Diameter 32.1 mm, Clearance Diameter 19.9 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