A powertrain can provide propulsive power to a vehicle and includes an electric motor/generator including a motor housing, and a final drive unit partially disposed in the motor housing. The final drive unit includes a gear case coupled to the motor housing. The final drive unit further includes a differential disposed in the gear case. The differential includes a differential housing. The final drive unit further includes a first final drive bearing disposed around the differential housing. The first final drive bearing is supported by the bearing support structure connected to the motor housing. The final drive unit further includes a second final drive bearing disposed around the differential housing. The second final drive bearing is supported by the gear case.