Radial ball bearings consist of a specific number of balls ... Polytetrafluoroethylene (PTFE) seals are connected to the bearing by a groove in the outer raceway. It provides a reliable barrier ...
This ER series ball bearing has heavy duty seals and is prelubricated for life. It has two lubrication holes for re-greasing. Black oxide finish provides added corrosion resistance. [See More] ...