A cam-type bearing, or cam follower, is a roller or needle bearing that is specifically designed to follow cams or tracks. These bearings are used in linear motion systems including transfer lines, conveyor systems, and other industrial machinery. Cam type bearings can accommodate both symmetrical and elliptical motion rotation applications. There are many configurations of cam followers available, but they are commonly defined by how they mount to the mating part.
There are two major cam-type bearings in use; stud type and yoke type. In both types, a stem or shaft extends from the inner race. The stem can be either hollow to press onto a stub shaft (yoke type) or incorporate threads to be screwed into a corresponding threaded hole (stud type). Stud type cam bearings are typically a standard size but there are heavier studs available that can handle bigger static loads. Yoke types can support the same sized static loads as heavy studs but are best suited for applications that require minimal deflection.
Cam-type bearings are particularly useful in applications where the load can be supported by the head as a guide roller or when a specific pattern of travel is required. Sufficient hardness is required in the components to reduce the wear due to rolling and sliding friction. To achieve sufficient hardness, the outer race is made thicker than on standard ball or roller bearings to avoid deformation of the bearing. The inner race is induction hardened with the application of the end plates which also help contain the roller or needle bearings.
Cam-type bearings are available in different shapes and configurations to suit a wide range of applications. If you need cam-type bearing parts for your equipment, contact your Mechanical Power specialist to discuss your specific application and determine what type of cam-type bearing is right for you.
Once we determine the type of cam follower you need, we will obtain high quality cam-type bearing parts through our partnerships with top manufacturers, saving you time and money in the process.