These track rollers are sealed single-row or double-row ball bearings with thick-walled spherical or cylindrical outer ring. The construction is either a deep groove or an angular contact ball bearing. They are sealed on both sides and exist either with an inner ring or with a shaft in a large number of different designs.
- Track rollers based on deep groove ball bearings
- Track rollers based on angular contact ball bearings
- Coated track rollers