M12610HD is an NTN Bower tapered roller bearing cup with a 50.005 mm outside diameter and 13.97 mm width. It belongs to the M12600 catalog series and is built to ABMA Class 4 (Inch) tolerance standards, giving it precise dimensional consistency for proper bearing set fit. Pro Gear and Transmission carries this cup as a genuine NTN Bower part.Interchanges:Timken M12610$12.89FeaturesTapered roller bearing cupOutside diameter: 50.005 mmCup width: 13.97 mmCatalog series: M12600Tolerance class: ABMA Class 4 (Inch)Tech SpecsOutside diameter: 50.005 mmCup width: 13.97 mmCatalog series: M12600Tolerance class: ABMA Class 4 (Inch)