Retaining Ring External 1.5 mm Thk PK50 System of Measurement Metric Location Style External Thickness 1.5 mm Fits Shaft Diameter 32 mm For Bore Diameter Not Applicable Fits Groove Diameter 30.3 mm Fits Groove Width 1.6 mm Free Inside Diameter 29.6 mm Clearance Diameter 43 mm Material Steel Finish Plain Material Grade/Class Ungraded Ring Type External Retaining Ring Clearance Diameter Type Expanded Material Quality Standards DIN 471 Pack Size Small Pack