... speed but lower impact 3. Widely used in automobiles, tractors, machine tools, motors, pumps, agricultural machinery, and textile machinery and other ... high speed facility.4. We supply: 6000, 6200, 6300, 6700,6800,6900 and other series, with ... ,stainless steel,chrome steel,carbon steel etc.We can also supply various types of bearings according to your sample and design ...