NTN Bower M804010HD tapered roller bearing cup fits the M804000 catalog series, with an 88.9 mm outside diameter and 19.05 mm cup width. It is built to ABMA Class 4 (Inch) tolerance for precise fit against its mating cone. This cup is sold by Pro Gear and Transmission as a genuine NTN Bower part.Interchanges:Timken M804010$51.41Features88.9 mm outside diameter19.05 mm cup widthM804000 catalog seriesABMA Class 4 (Inch) tolerance ratingGenuine NTN Bower partTech SpecsOutside diameter: 88.9 mmCup width: 19.05 mmCatalog series: M804000Tolerance class: ABMA Class 4 (Inch)