1-1/2 inch steel ball bearing roller
Adjustable steel housing assembly
Used by Hollyview, Fullview, and other glass door manufacturers
Housing dimensions: thickness, 3/4 inch; length, 1-1/2 inch; height,1-1/2 inch

Diameter: 1-1/2-inch
Housing Tab Style: F-Tab
Housing Width: 3/4-inch
Material: Steel
Roller Diameter: 1-1/2-inch
Roller Edge Type: Concave
Roller Material: Steel
Roller Width: 5/16-inch
Type: Concave
Width: 3/4-inch

Sold each, priced each

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