... -speed,silence. 4)good Quality Taper roller bearing1)supply high tempreture and high pressure 2)easy to maintain 3)high-speed ... used in metallurgy, milling, rolling mills, automobiles, machines, plastics and other industries. Features:1)Series:30202-30226,30302-30320,32004 ... your requirements. Following are the main products we can supply:1.spherical roller bearings(21000,22000,23000,24000,29000 series ...