Needle roller bearing is also called cam bearing?

Needle roller bearing is also called cam bearing?

Needle roller bearings are needle roller bearings

According to the ball bearings, there are ball bearings, cylindrical roller bearings, tapered roller bearings, needle roller bearings belong to cylindrical roller bearingsIt seems that the cam bearings have not been heard

Seems not.Cam bearings are also called roller bearings and bolt bearings.