<p>External Retaining Ring, Carbon Steel, Black Phosphate, For Shaft Dia 40mm, Free ID 36.50mm, Thickness 1.75mm, Thickness Tolerance -0.060mm, Fits Groove Dia 37.50mm, Groove Dia Tolerance -0.25mm, Fits Groove Width 1.85mm, Fits Groove Depth 1.25mm, Hole Dia 2.50mm, Meets DIN471, Rockwell Hardness RC47-54, Tensile Strength 150,000 PSI, Package 10</p> <p><br /><b>Features</b></p> <ul> <li>Finish: Black Phosphate</li> <li>Item: Standard Retaining Ring</li> <li>Material: carbon steel</li> <li>Tensile Strength (PSI): 150,000</li> <li>Type: External</li> <li>Thickness: 1.75mm</li> <li>Meets/Exceeds: DIN471</li> <li>Rockwell Hardness: RC47-54</li> <li>Thickness Tolerance: -0.060mm</li> <li>For Shaft Dia.: 40mm</li> <li>Fits Groove Dia.: 37.50mm</li> <li>Fits Groove Width: 1.85mm</li> <li>Hole Dia.: 2.5mm</li> <li>Free I.D.: 36.50mm</li> <li>Groove Dia. Tolerance: -0.25mm</li> <li>Fits Groove Depth: 1.25mm</li> </ul> <p></p>