Track roller are designed to run on tracks or cams, the outer race in particularity thick walled to accommodate shock load, available with both crowned outers and cylindrical, sealed and open. They fall into three main categories listed below:-
- Yoke type track rollers - Are ready to fit needle and cylindrical roller bearings with thick outer rings used on cam gears, bed ways, conveying equipment, linear guideance systems.
- Sud type track rollers:- Have most of the attributes of yoke type track rollers, with the benefit of a heavy duty roller stud in the inner, in most cases a hexaginal socket on both ends.
- Ball bearing track rollers:-Track rollers correspond in design to he deep groove 62... series, but with the addition of thick walled outer rings, with a crowned outer. They can also support high axial forces in both directions.