NTN Bower LM603049HD tapered roller bearing cone is built to a 45.242 mm bore and a 19.842 mm cone width in the LM603000 catalog series. It meets ABMA Class 4 (Inch) tolerance standards for precise fit and consistent rolling performance in heavy-duty applications. This cone is sold by Pro Gear and Transmission as a genuine NTN Bower part for buyers who need exact bore and width specs to match their housing and cup.Interchanges:Timken LM603049$24.09Features45.242 mm inside diameter19.842 mm cone widthLM603000 catalog seriesABMA Class 4 (Inch) tolerance ratingGenuine NTN Bower partTech SpecsInside diameter: 45.242 mmCone width: 19.842 mmCatalog series: LM603000Tolerance class: ABMA Class 4 (Inch)