E Style Retaining Ring 2.5 mm Thk PK10 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 Steel Finish Black Phosphate Material Grade/Class Ungraded Tensile Strength 150 000 psi Ring Type E-Style Retaining Ring Manufacturer Location Made in USA