1-1/4 inch nylon ball bearing roller, adjustable steel housing assembly
Used by several glass door manufacturers
Housing dimensions: thickness, 19/32 inch; length,1-3/16 inch; height,1-1/8 inch; overall thickness,23/32 inch.

Diameter: 1-1/4-inch
Housing Tab Style: F-Tab
Housing Width: 19/32-inch
Material: Nylon
Roller Diameter: 1-1/4-inch
Roller Edge Type: Concave
Roller Material: Nylon
Roller Width: 5/16-inch
Type: Concave
Width: 19/32-inch
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Helpful Article: How to Replace Rollers in an Aluminum Sliding Glass Door