The Timken 416557 is a grease/oil seal sold individually. Vendor part number TB416557 is the Timken retail catalog reference for this same seal. Dimensions provided by the manufacturer are 7.218 in. diameter (width and length) by 1.004 in. height. This is a multi-purpose seal suited to heavy-duty truck applications where a seal of these dimensions is specified. Pro Gear and Transmission sells this as a genuine Timken part. If you need help confirming this seal fits your application, give us a call before ordering.FeaturesGenuine Timken grease/oil sealPart number 416557, Timken retail reference TB416557Dimensions: 7.218 in. diameter x 1.004 in. heightSold individually (unit of measure: each)Multi-purpose seal for heavy-duty truck applicationsTech SpecsPart Number: 416557Cross-Reference: TB416557Seal Type: Grease/Oil SealDiameter (Width x Length): 7.218 in. x 7.218 in.Height: 1.004 in.Unit of Measure: Each