Rouleau libre

Glossary Right Side Image

Classification

Pièce de pompe

Definition

Pièce tournant librement dans une pompe volumétrique rotative entraînée par le rotor

What is an idler gear?

An idler gear is a key component in internal gear pumps. This is a free-rotating gear that is driven by the rotor gear.

animation of liquid flowing through an internal gear pump with an arrow pointing out the idler gear

What are the parts of an idler gear?

There are two components in an idler gear: the idler itself and the idler bushing. Each of these components can be made of various materials that can change depending on pump construction and application.

image of idler with arrows indicating which part is the idler and which part is the bushing