Retaining Ring Internal 1.75 mm Thk PK25 System of Measurement Metric Location Style Internal Thickness 1.75 mm Fits Shaft Diameter Not Applicable For Bore Diameter 45 mm Fits Groove Diameter 47.5 mm Fits Groove Width 1.85 mm Free Outside Diameter 48.5 mm Clearance Diameter 32 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