Retaining Ring Internal 1 mm Thk PK50 System of Measurement Metric Location Style Internal Thickness 1 mm Fits Shaft Diameter Not Applicable For Bore Diameter 22 mm Fits Groove Diameter 23 mm Fits Groove Width 1.1 mm Free Outside Diameter 23.5 mm Clearance Diameter 13.2 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