The Timken / National 415551 is a multi-purpose seal sized at 7.500 x 9.000 x 0.750 inches. Also cataloged as NA415551, this seal covers industrial applications requiring those specific bore, outside diameter, and width dimensions. If you need to verify this seal fits your axle, differential, or other drivetrain housing, contact Pro Gear and Transmission directly and a specialist can help confirm proper application before you order.FeaturesPart number: 415551, also listed as NA415551Seal dimensions: 7.500 in. bore x 9.000 in. outside diameter x 0.750 in. widthMulti-purpose seal design suitable for industrial applicationsSold individually (each)Available from Pro Gear and TransmissionTech SpecsPart Number: 415551Bore Diameter: 7.500 in.Outside Diameter: 9.000 in.Width: 0.750 in.Sold As: Each