Southern Precision Bearings - Products Complete Bearing Selection Guide Aircraft A diverse series for applications where the motion is primarily oscillating. Many aircraft... bearings are either cadmium plated or stainless steel for corrosion resistance. In many cases the inner ring extends beyond the outer ring to eliminate a need for spacers. Some... rows of rollers which run on a common race, the bearings are self aligning and permit displacement of a shaft relative to the housing under extreme loads. Especially suitable...