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 16 mm Fits Groove Diameter 16.8 mm Fits Groove Width 1.1 mm Free Outside Diameter 17.3 mm Clearance Diameter 8 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 Manufacturer Location Globally Sourced