High-accuracy 19mm stud type roller bearing comes with an outer diameter of 1mm, eccentric 0.3e. The track roller is thick-walled and designed to bear an impact load.
Tips: What is the difference between roller and ball bearing?
A roller bearing is a cylindrical unit that is used to provide low-friction movement for a bushing or bearing block. A ball bearing is a spherical unit that accomplishes the same objective as a roller bearing. The real difference has to do with the contact surface between the bearing and the rail.