The Timken Company 14276D Double Race Bearing is a tapered roller bearing configured as a double outer race (TDO) and is cataloged in Timken’s imperial-series lineup as 14123AA / 14276D. This double-Outer-Race arrangement distributes load across two outer race surfaces and is identified by Timken as a TDO-type bearing in imperial dimensions. The 14276D family is associated with a 2.717-inch (69 mm) outer diameter in the related 14276D-2T variant, reflecting Timken’s published dimensional references for this model.
