Sliding Window Double Roller (789 Series)

Sliding Window Double Roller (789 Series)

Product Parameter

This sliding window double roller is a core hardware accessory for 789 series aluminum sliding windows and balcony sliding glass doors. It adopts a stainless steel stamped bracket with two green V-groove nylon wheels, riveted firmly for stable performance.

The nylon wheels are wear-resistant and silent, with built-in bearings to support heavy load. The stainless steel bracket delivers excellent rust resistance, making it ideal for humid and coastal building environments.

Installed at the bottom of aluminum sash panels, the rollers run smoothly on aluminum tracks to realize easy opening and closing of sliding windows. Widely used in residential balcony glazing, sunroom sliding systems and old window replacement projects.

Key Features

• Stainless steel bracket, corrosion-resistant for coastal use
• Green PA66 nylon V-groove wheels, low noise & long service life
• Double-wheel structure, strong load-bearing capacity
• Rivet fixed assembly, not easy to loosen
• Perfect match for 789 aluminum window profiles, easy installation & replacement

What does 789 mean?
789 is the model number of a classic aluminum sliding window profile.
The number 78 refers to its 78mm wide bottom track, and 9 is the version code.
This roller is specially designed to fit the 789 series aluminum sliding window sash.