A spherical roller bearing allows rotation with low friction and allows angular misalignment. Typically, these bearings support a rotating shaft in an inner race that may be misaligned with the outer race. A spherical inner shape of the outer ring and spherical rollers may cause misalignment. Spherical roller bearings are not really spherical, despite their name. 23060CC/W33 300*460*118mm high precision... Read More about Best rotating table bearing Roller Bearing Manufacturer