Retaining Ring,Internal,1.5 mm Thk, System of Measurement Metric, Location Style Internal, Thickness 1.5 mm, Fits Shaft Diameter Not Applicable, For Bore Diameter 36 mm, Fits Groove Diameter 38 mm, Fits Groove Width 1.6 mm, Fits Groove Depth 1 mm, Free Outside Diameter 38.8 mm, Material Stainless Steel, Finish Plain, Material Grade/Class 18-8, Tensile Strength 150,000 psi, Ring Type Housing Ring, Material Quality Standards DIN 1.4122, Manufacturer Location Made in USA*