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1-1/2 inch steel ball bearing roller
Adjustable steel housing assembly
Used by Lausell Aluminum and several others
Housing dimensions: thickness, 23/32 inch; length, 2-1/8 inch; height, 1-3/16 inch; overall thickness, 3/4 inch.

Diameter: 1-1/2-inch
Housing Tab Style: U-Tab
Housing Width: 23/32-inch
Material: Steel
Roller Diameter: 1-1/2-inch
Roller Edge Type: Concave
Roller Material: Steel
Type: Concave
Width: 23/32-inch

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