The pillow block ball bearing is composed of a single row deep groove ball bearings with seals at both sides and spherical outside surface, and a housing, suitable for simple support, widely used in varieties of mechanical equipment, especially for agricultural, metallurgical, textile and printing machinery. All types bearings can be SS stainless steel bearings too.

Pillow block bearings are composed of the outers spherical ball bearings with double-seal and the casting pedestal(or pressed steel plate). The inside structure of the pillow block bearings is the same as deep groove ball bearings, however the outer ring of this type has the outer surface of section balls, it can be Self-aligning when fitted with concave of the bearing pedestal. Generally there are clearance between the inner bore and shaft,