2011 high precision Friend pillow block bearing are designed in almost the same way as deep groove ball bearings, except that the outer ring is spherical. Their design allows the bearings to be easily mounted in a housing block and be self-aligning. Features : 1) Thepillow block bearing are the deep groove ball bearings with wide inner rings 2) It inserts in housing work as a unit bearing 3) The housing is mainly casting or pressed steel 4) The bearing units are compact in design with perfect sealing devices 5) They can align with ease during operation and can be conveniently mounted or dismounted Applications : used in motors, chain belts, chain wheels, and automobiles 2011 high precision Friend pillow block bearing