What is a side gear

Axle gear is the gear in the car differential, it is a conical gear, the car is equipped with two, the car has two transmission shafts, which are connected to the two side gears, respectively, drive the wheels on the left and right sides, the side gear Installed on the differential assembly, the car drive half shaft, one end is splined to the half shaft gear, the other end is connected to the car drive wheel, rear drive car, the differential assembly is in the rear axle bag, front drive car , the differential assembly is in the transmission.