Product Details:

Top Hung Assembly
Steel Ball Bearing Inner-Race

This CRL Sliding Shower Door Roller Assembly features a 7/8 inch (22.2 millimeter) flat edge nylon wheel with steel ball bearing inner-race. The aluminum bracket is 1-1/8 inches (28.6 millimeters) high.
Multiple holes in bracket allows for adjustment.

Wheel Diameter: 7/8 in (22.2 mm)
Bracket Height:   1-1/8 in (28.6 mm)

Minimum Order: 1 Package
Two roller assemblies with installation screws per package.