LM11910HD NTN Bower tapered roller bearing cup fits the LM11900 catalog series. Outside diameter measures 45.237 mm with a cup width of 12.065 mm, machined to ABMA Class 4 (Inch) tolerance for precise seating against its mating cone. This cup is sold by Pro Gear and Transmission as a genuine NTN Bower component for wheel-end and driveline bearing service.Interchanges:Timken LM11910$9.04FeaturesLM11910HD NTN Bower tapered roller bearing cupOutside diameter: 45.237 mmCup width: 12.065 mmLM11900 catalog seriesABMA Class 4 (Inch) tolerance classTech SpecsOutside diameter: 45.237 mmCup width: 12.065 mmCatalog series: LM11900Tolerance class: ABMA Class 4 (Inch)