We recommend replacing both sliding door rollers at the same time to prevent extra wear and tear to one new roller which will have to work twice as hard when paired with an old roller. Patio glass door replacement. No part number just patent 106753. 
				
			
										linear bathroom wall tiles
											lift and slide wood doors
											light grey walls with bottom white backsplash bathroom
											lord of the rings memes legolas
											lights in concrete retaining wall
											loloi round area rugs
											light wood accent wall
											lipo battery for drone