E Style Retaining Ring 0.15 mm Thk PK50 System of Measurement Metric Location Style External Thickness 0.15 mm Fits Shaft Diameter 16 mm For Bore Diameter Not Applicable Fits Groove Diameter 15 mm Fits Groove Width 1.55 mm Fits Groove Depth - Free Outside Diameter 28.7 mm Clearance Diameter 29.4 mm Material Steel Finish Black Phosphate Material Grade/Class Ungraded Tensile Strength 150 000 psi Ring Type E-Style Retaining Ring Manufacturer Location Made in USA