Fortress Windows
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| Item No. | Plastic POM Ball Bearing |
| Dimensions | OEM ODM |
| Material | Bearing -Chrome steel, carbon steel, stainless steel Plastic part- POM/ Nylon6 /Nylon66 +GF/PU/Rubber Housing part - Plastic(Nylon)/ Steel/ Zinc alloy die casting / Aluminium profile/ alu. Alloy die casting |
| Color | Original/black/white/Red/ Green/ Orange, or per customers' requirement |
| Surface Treatment | Zinc plated/Nickle Plated/Black treatment/ Painting/Electrophoretic treatment |
| Features | heavy-duty, adjustable, low noise, easy installation, sliding smoothly, long life, standard, customized |
| Application | Sliding window and door, Sliding accessories, furniture accessories etc. |
| Packaging | Foil bag + Neutral Carton + Pallet, or per customers' requirement |
| MOQ | 1000 pcs |
| OEM & ODM | Technical drawing or sample is needed |
Our organization was established in 1996 and has dedicated itself to the research, development, and manufacture of high-quality bearings. We have evolved into a primary supplier offering a comprehensive range of bearings constructed from diverse materials, structures, shapes, and colors.
Our rollers feature stable quality with smooth rotation, long operational life, and advanced injection technology. The adjustable roller series offers wider adjustment ranges and easy installation, suitable for various aluminum profiles.



Sliding glass doors provide excellent views and natural lighting, but maintenance is key. Most rollers are generic across different manufacturers. As professional manufacturers, we use identifying characteristics to determine the best replacement for your door: