1-1/4 inch Precision bearing roller with stainless steel outer rim for sliding glass patio door roller assembly.
Completely new design that establishes a new level of quality for Patio Door Rollers.
Design Highlights:
Extremely smooth rolling
Less operating force (motion to open/close)
Less noise and vibrations
Better corrosion resistance
The Precision Bearing is factory greased and completely sealed
The outer ring, that is the rolling surface of the wheel, is made of Stainless Steel to avoid any rust formation between the wheel and the track
Using composite nylon, the Precision Bearing is assembled with the outer ring by an injection molding process