1-1/4 inch steel ball bearing roller
Adjustable steel housing assembly
Used by Smith & Kelly, and other glass door manufacturersHousing dimensions: thickness, 7/8 inch; length, 1-11/16 inch; height,1-5/16 inch.

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

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