A wheel bearing set consisting of the HM218210 cup and HM218248 cone, with a bore diameter of 3.543", cup outer diameter of 5.787", and set width of 1.575". Used to support and allow smooth rotation of the wheel hub on the spindle for heavy-duty trucks and trailers, it's a common front or rear wheel bearing set on Class 8 vehicles. It's cross-referenced to equivalent kits from Timken (SET414), Federal Mogul (HD201/KIT414), and Mack (8236-SET414/9383SET414), among others.
