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Stamped steel tandem roller with twin nylon ball-bearing wheels for vinyl patio doors

Prime-Line

Prime-Line D 1920 sliding door tandem roller hardware

SKU CH-EFNK-NZWPG

Replacement tandem roller with concave ball-bearing wheels and adjustable steel housing for vinyl sliding patio doors

  • TypeDoor Hardware & Components
  • Smooth operation with 1-1/4 in. ball bearing rollers
  • Fits vinyl patio doors from Milgard and others
  • Adjustable stamped steel housing for precise alignment
  • 1/4-20 threaded mounting hole simplifies installation
  • Durable nylon rollers resist wear on sliding tracks

Patio Door Roller Assembly

This tandem roller assembly fits vinyl framed sliding patio doors. It contains two 1-1/4 in. concave steel ball bearing rollers mounted in a stamped steel housing. The unit replaces worn rollers to restore smooth door operation. Homeowners and repair technicians use it for maintenance on compatible door systems.

Adjustable Stamped Steel Housing

The housing measures 11/16 in. wide by 1 in. tall and features a 1/4-20 threaded mounting hole on the back end. This adjustability allows alignment with the door frame during installation. A Phillips head screwdriver is the only tool required. The plain back design suits doors originally equipped with this roller style.

Direct Replacement for Milgard and Other Brands

Used by Milgard and a variety of manufacturers, this assembly matches the original hardware on many vinyl patio doors. The jump is worth it when existing rollers bind, squeak or fail to support the door weight. Buyers needing a different roller diameter, housing profile or mounting pattern cannot use this part.

Highlights

  • Smooth operation with 1-1/4 in. ball bearing rollers
  • Fits vinyl patio doors from Milgard and others
  • Adjustable stamped steel housing for precise alignment
  • 1/4-20 threaded mounting hole simplifies installation
  • Durable nylon rollers resist wear on sliding tracks

Specifications

BrandPRIME-LINE
TypeDoor Hardware & Components

Questions about this item

What door frame width does the 11/16 in. housing fit?

The stamped steel housing measures 11/16 in. wide and 1 in. tall, designed to sit inside standard vinyl patio door stiles of matching pocket width.

What size screw threads into the 1/4-20 mounting hole on the back end?

A 1/4-20 machine screw engages the threaded hole; the housing adjusts vertically so the twin 1-1/4 in. concave rollers align with the door track.

Which tool is needed to secure the roller assembly during installation?

A Phillips head screwdriver drives the mounting screw through the 1/4-20 hole; the step often missed is adjusting the housing height before fully tightening.

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