The NTN Bower LM603012HD is a tapered roller bearing cup in the LM603000 catalog series. It measures 77.788 mm in outside diameter with a cup width of 16.667 mm, and it is manufactured to ABMA Class 4 (Inch) tolerance. This cup is designed to be paired with its matching tapered roller bearing cone to form a complete assembly. Pro Gear and Transmission offers this bearing cup as a genuine NTN Bower component for heavy-duty applications requiring precise tolerance control.Interchanges:Timken LM603012$22.85FeaturesTapered roller bearing cup, LM603000 catalog seriesOutside diameter: 77.788 mmCup width: 16.667 mmTolerance class: ABMA Class 4 (Inch)Genuine NTN Bower componentTech SpecsOutside diameter: 77.788 mmCup width: 16.667 mmCatalog series: LM603000Tolerance class: ABMA Class 4 (Inch)