The NL-8H is an 8mm miniature nylon ball transfer bearing. It features an omnidirectional design allowing for 360-degree rotation and smooth, low-friction movement. Model NL-8H Brand ZH Material Chrome Steel precision P0 P6 P5 P4 Product Description The NL-8H bearing is a miniature, omnidirectional ball transfer unit (also called a "bull's eye wheel") made primarily of engineering plastics like POM (polyoxymethylene), ABS, and nylon. Rather than a traditional radial ball