Bearings are essentially small pieces of mechanical tools that allow the internal parts of a machine to work properly. They will confine and separate various things inside the appliance that could cause damage, friction or prevent any movement to other internal parts. There are plenty different types of bearings that are used for a variety of purposes. These include the roller bearings, ball bearings, ball thrust, roller thrust and tapered roller thrust bearings. Learning more from http://www.topbearing-sale.com/98553-SKF6319M-C3VL0241-Bearing/