Roller Assembly for Sliding Patio Door
This Roller Assembly has Steel Ball Bearings
Its wheel is center grooved with diameter of 1-1/2 inch
Its housing is constructed out of Steel and is adjustable
This design is used by door manufacturers including Ador Hilite
Sold each, priced each

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

Contents
1 roller assembly

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