The rolling elements of needle roller bearings are basically cylindrical rollers, but they are long and thin relatively to their diameter. The needle roller bearing has low cross section, but possessing high load carrying capacity, and therefore they are particularly suitable in applications where there is constraint of radial installation space. Needle roller bearings are presents in many designs and sizes, such as needle roller and cage assemblies, drawn cup needle roller bearings, as well as cam rollers and cam followers are also categorized as needle roller bearings.
|