Embodiments of the invention are directed to bearing assemblies including one or more superhard bearing elements having one or more grooves formed in a bearing surface thereof, apparatuses, and motor assemblies using the same. In an embodiment, a bearing assembly includes a plurality of superhard bearing elements distributed circumferentially about an axis. Each of the superhard bearing elements includes a bearing surface. At least one of the plurality of superhard bearing elements includes one or more grooves formed in the bearing surface thereof. The bearing assembly also includes a support ring that carries the superhard bearing elements.