Roller bearings generally support higher loads than ball bearings but run at lower speeds. Ball Bearings Ball bearings operate with less friction than other bearings, so they can run at higher speeds.Roller bearings extend the working life of wheels, pulleys, fans, pumps, compressors, and other rotating parts by reducing friction and enabling parts to move smoothly. They have a wide, flat bearing to provide stability in high-speed applications with high radial loads.

Roller bearings are any cylindrical or spherical object that aids in the movement of an object greater in size than the bearing itself. A roller bearing is a weight distribution-oriented bearing. This means it utilizes many points of contact between a circular housing that contains internal rolling elements, such as ball bearings, that sit within a collar.Roller bearings — also known as rolling-element bearings — are similar to ball bearings in that they are designed to carry a load while minimizing friction. However, roller bearings transmit loads using cylinder rolling elements, rather than balls, to maintain the separation between moving parts of the bearing.