... tractors, machine tools, motors, pumps, agricultural machinery, and textile machinery and other high speed facility.4. We supply: 606, 6000, 6200, 6300, 61900 and ... roller bearings. We Our bearings are made in all kinds of materials: ZrO2, Si3N4, stainless steel, chrome steel, etc. ... -85556568 Fax: 86-531-66685179 10.13 w Large supply of hot sale high quality deep groove ball bearings