E Style Retaining Ring 2.5 mm Thk System of Measurement Metric Location Style External Thickness 2.5 mm Fits Shaft Diameter 32 mm For Bore Diameter Not Applicable Fits Groove Diameter 30 mm Fits Groove Width 2.55 mm Fits Groove Depth - Free Outside Diameter 51.3 mm Clearance Diameter 52.6 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