Description
1-1/8″ Steel Wheel Roller Assembly for Glass Doors
This 1-1/8″ (28.6mm) steel ball bearing roller assembly features a durable, adjustable steel housing designed for smooth and reliable operation of sliding glass doors. Commonly used by T.M. Cobb and other glass door manufacturers, this roller assembly is suitable for a variety of patio and sliding door applications where robust performance is required.
The assembly utilizes a concave steel wheel to ensure stable tracking within door rails, and the K-Tab housing style makes for straightforward installation and secure fitment. Its steel construction offers enhanced longevity and resistance to deformation under everyday use. Exact housing measurements are 3/4″ (19.1mm) thick, 2-5/16″ (58.7mm) long, and 1-3/16″ (30.2mm) high, ensuring compatibility with many standard sliding door setups.
Technical Information
- Material: Steel
- Roller Diameter: 1-1/8″ (28.6mm)
- Roller Edge Type: Concave
- Housing Thickness: 3/4″ (19.1mm)
- Housing Length: 2-5/16″ (58.7mm)
- Housing Height: 1-3/16″ (30.2mm)
- Roller Width: 5/16″ (7.9mm)
- Housing Tab Style: K-Tab
Notes
- Works well with T.M. Cobb sliding and glass doors, as well as other compatible manufacturers.
- Sold and priced individually.
Please measure your existing roller assembly carefully before ordering to ensure a correct fit.





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