What is the function of rollers within the landing gear system?

The rollers within the landing gear system primarily serve the function of absorbing shocks during takeoff and landing. When an aircraft lands, it experiences significant forces and impacts that can be transmitted through the landing gear. The rollers are specifically designed to mitigate these shocks, which helps to protect the structural integrity of the aircraft and ensure a smoother landing experience for passengers and crew. This shock absorption is crucial as it reduces wear and tear on the aircraft's components and enhances the overall safety of the operation.

While guiding the aircraft during landing is an important aspect of the landing gear’s overall function, it is not specifically the role of the rollers. Maintaining balance in the aircraft is a more general concern handled by other systems, and facilitating refueling pertains to different components altogether. Thus, the primary and correct role of rollers in this context is focused on shock absorption.