E Style Retaining Ring 1.2 mm Thk PK5 System of Measurement Metric Location Style External Thickness 1.2 mm Fits Shaft Diameter 11 mm For Bore Diameter Not Applicable Fits Groove Diameter 10 mm Fits Groove Width 1.25 mm Fits Groove Depth - Free Outside Diameter 19.7 mm Clearance Diameter 20.4 mm Material Stainless Steel Finish Plain Material Grade/Class 18-8 Tensile Strength 150 000 psi Ring Type E-Style Retaining Ring Material Quality Standards DIN 1.4122