Wheel hub assembly also referred to as hub

Hub

Originally, the term hub referred to the central part of a wheel.Hub, HUB, Hubs, or HUBS has many uses, as listed below.-Wheels:* Bicycle hub, the central part of a bicycle wheel*Hub gear, bicycle gear...

 assembly, wheel hub unit, wheel hub bearing, etc., is an automotive part used in most cars, passenger vehicles and light and heavy trucks.

It is located between the brake

Brake

A brake is a mechanical device which inhibits motion. Its opposite component is a clutch. The rest of this article is dedicated to various types of vehicular brakes....

 drums or discs and the drive axle, on the axle side, it is mounted to the holding bracket from the chassis

Chassis

A chassis consists of an internal framework that supports a man-made object. It is analogous to an animal's skeleton. An example of a chassis is the underpart of a motor vehicle, consisting of the frame with the wheels and machinery.- Vehicles :In the case of vehicles, the term chassis means the...

; on the disc side, the wheel is mounted to the bolts of the WHA.