M12649HD NTN Bower tapered roller bearing cone measures 21.43 mm ID with an 18.288 mm cone width. It carries a dynamic load rating of 38 kN and a static load rating of 39 kN, built to ABMA Class 4 (Inch) tolerance in the M12600 catalog series. This cone is a genuine NTN Bower part from Pro Gear and Transmission.Interchanges:Timken M12649$26.24Features21.43 mm ID18.288 mm cone widthDynamic load rating: 38 kNStatic load rating: 39 kNM12600 catalog seriesABMA Class 4 (Inch) toleranceTech SpecsID: 21.43 mmCone width: 18.288 mmDynamic load rating: 38 kNStatic load rating: 39 kNCatalog series: M12600Tolerance class: ABMA Class 4 (Inch)