This is a plain back patio door roller assembly with a 1-1/2 in. concave or grooved steel ball bearing roller. It has a plain back housing that is 3/4 in. wide and 1-3/8 in. tall. It is rear adjusting with a 1/4-20 threaded mounting hole on the back end and an optional use #10-32 threaded hole on top. It is used by Air Control, Howmet, Krestmark and a variety of other manufacturers of patio doors.
- Brand Name: Prime-Line
- Diameter: 1-1/2 in.
- Length: 5/16 in.
- Material: Steel
- Product Type: Roller Assembly
- Number in Package: 1 pk
- Hardware Included: Yes
- Packaging Type: Carded
- Compatibility: Air Control, Howmet, Krestmark and other glass doors
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