Retaining Ring Internal 1.2 mm Thk PK50 System of Measurement Metric Location Style Internal Thickness 1.2 mm Fits Shaft Diameter Not Applicable For Bore Diameter 24 mm Fits Groove Diameter 25.2 mm Fits Groove Width 1.3 mm Fits Groove Depth 0.6 mm Free Outside Diameter 25.9 mm Material Steel Finish Black Phosphate Material Grade/Class Ungraded Tensile Strength 150 000 psi Ring Type Housing Ring Material Quality Standards DIN 472 Manufacturer Location Made in USA