A limited slip differential for a vehicle, comprising: a differential assembly having a differential mechanism disposed in a differential case and two opposite output shafts (38, 40) outwardly extending from the differential case; a torque coupling unit selectively restricting rotation between one of the output shafts (38, 40) and the differential case, the torque coupling unit comprising: a friction clutch assembly disposed about one of the output shafts (38, 40), the friction clutch assembly comprising a first portion drivingly engaged with one of the output shafts (38, 40) and a second portion drivingly engaged with the differential case, a ball and ramp assembly disposed adjacent the friction clutch assembly selectively frictionally loading the friction clutch assembly, the ball and ramp assembly comprising at least a pressure plate and an actuating ring, the actuating ring rotatable with respect to the pressure plate, and an actuator in driving engagement with one of the pressure plate and the actuating ring of the ball and ramp assembly to selectively cause a rotation therebetween; and a differential housing rotatably supporting the differential assembly and the friction clutch assembly therewithin, the differential housing including a radially inwardly extending portion about one of the output shafts (38, 40), wherein the radially inwardly extending portion of the differential housing receives a ball and ramp assembly support bearing and an output shaft support bearing, wherein the ball and ramp assembly support bearing supports rotation of the actuating ring of the ball and ramp assembly within the differential housing. a differential assembly having a differential mechanism disposed in a differential case and two opposite output shafts (38, 40) outwardly extending from the differential case; a torque coupling unit selectively restricting rotation between one of the output shafts (38, 40) and the differential case, the torque coupling unit comprising: a friction clutch assembly disposed about one of the output shafts (38, 40), the friction clutch assembly comprising a first portion drivingly engaged with one of the output shafts (38, 40) and a second portion drivingly engaged with the differential case, a ball and ramp assembly disposed adjacent the friction clutch assembly selectively frictionally loading the friction clutch assembly, the ball and ramp assembly comprising at least a pressure plate and an actuating ring, the actuating ring rotatable with respect to the pressure plate, and an actuator in driving engagement with one of the pressure plate and the actuating ring of the ball and ramp assembly to selectively cause a rotation therebetween; and a friction clutch assembly disposed about one of the output shafts (38, 40), the friction clutch assembly comprising a first portion drivingly engaged with one of the output shafts (38, 40) and a second portion drivingly engaged with the differential case, a ball and ramp assembly disposed adjacent the friction clutch assembly selectively frictionally loading the friction clutch assembly, the ball and ramp assembly comprising at least a pressure plate and an actuating ring, the actuating ring rotatable with respect to the pressure plate, and an actuator in driving engagement with one of the pressure plate and the actuating ring of the ball and ramp assembly to selectively cause a rotation therebetween; and a differential housing rotatably supporting the differential assembly and the friction clutch assembly therewithin, the differential housing including a radially inwardly extending portion about one of the output shafts (38, 40), wherein the radially inwardly extending portion of the differential housing receives a ball and ramp assembly support bearing and an output shaft support bearing, wherein the ball and ramp assembly support bearing supports rotation of the actuating ring of the ball and ramp assembly within the differential housing.