Bearings Direct supplies a large variety of roller bearings and needle roller bearings. Roller bearings are any cylindrical or spherical 80x125x22 Bearing 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.

The floating bearing is required to allow thermal growth of the shaft when it pushes the bearing inside the pillowblock against the NSK 6004 Bearing fixed bearing assembly. As previously stated, the reducer and motor end are usually the fixed bearing end. If you have a single brake disk, it should be on the fixed bearing side.