igubal® Spherical Bearings igubal® Spherical Bearings are very durable, high-performance, self-aligning, maintenance-free polymer bearings that are insensitive to dirt. They are suitable for use within a wide variety of applications where light-weight, corrosion-resistant bearings may be installed. The bearings may be installed for use within environments that include running them dry, within chemicals or other liquids, and offer excellent dampening properties.