An interchangeable method of outer ring assembly of needle roller bearings with or without inner rings is introduced in this paper.

To facilitate their combination with needle roller and cage assemblies or the outer ring assembly of needle roller bearings, they have a lead-in at each side of the raceway.

To remove the ring assembly for cleaning in the dishwasher or by hand, hold bottom handle to open, then lift straight up. Do not use the "SANI" setting when washing in the dishwasher.