1-1/2 inch steel ball bearing roller
Adjustable steel housing assembly
Used by Trimview door
Housing dimensions: thickness, 11/16 inch; length, 2-5/8 inch; height, 1 inch.

Sold each, priced each

Diameter: 1-1/2-inch
Housing Tab Style: C-Tab
Housing Width: 9/16-inch
Material: Steel
Roller Diameter: 1-1/2-inch
Roller Edge Type: Concave
Roller Material: Steel
Roller Width: 5/16-inch
Type: Concave
Width: 9/16-inch

Helpful Article: How to Replace Rollers in an Aluminum Sliding Glass Door