This is an extra heavy duty plain back, tandem roller assembly used by Kawneer on their heavy doors. Often found in Hawaii used on door walls, it has an in-line tandem inner housing with 1-1/2 in. concave or grooved steel ball bearing rollers set in a heavy duty diecast outer housing with rear adjustment. The housing is 1-13/16 in. tall and 1-1/8 in. wide and is held in place by screws from the top as well as the end.
- Used by Kawneer Patio Doors
- 1/4-20 machine screw mounting on top of housing
- 1-1/2 in. diameter concave steel roller
- Diecast housing construction with ball bearing roller
- Features rear screw adjustment
- Easy to install
- A Phillips head screwdriver is required for installation
- For further dimensional information, please see the line drawing













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