A type of vehicle construction also called a full frame. It features a strong steel construction called a frame that extends from the front to rear of vehicle. The engine other major assemblies are mounted on the frame. The 2 primary full frame types are ladder perimeter design. Both are designed with the crossmembers connecting the left right rails.
The inner materials usually fiberglass or steel running through the piles that produce strength in a tire.
A friction reducing bearing that uses a series of steel balls held between inner and outer bearing races, such as in a roller clutch.