Model # D 1791
Restore smooth, quiet sliding door performance with the Prime-Line D 1791 Tandem Roller Assembly. Designed for use on Milgard and other compatible vinyl sliding patio doors, this replacement roller assembly helps eliminate sticking, dragging, and difficult door operation caused by worn or damaged rollers. It is an ideal solution for maintaining proper door function without replacing the entire door system.Constructed with a durable stamped steel housing finished in corrosion-resistant yellow zinc, this roller assembly is designed to withstand the demands of daily use. The tandem design incorporates two 1-1/8 in. concave steel rollers equipped with precision ball bearings for smooth, reliable movement along compatible door tracks. The adjustable design allows fine-tuning of door height and alignment after installation to help optimize sliding performance.The housing measures 3/4 in. wide by 1 in. high and features a 1/4-20 threaded mounting hole on the back for secure attachment. Whether performing routine maintenance or correcting worn door hardware, this tandem roller assembly helps extend the service life of compatible patio doors. Review the dimensional drawing and compare all measurements with your existing roller assembly before purchasing to ensure compatibility.
