... Roller Bearings (21000, 22000 and 23000 series)3. Tapered Roller Bearings (30000 series and Inch series)4. Pillow Block Ball Bearings (UCP ... of friction, these bearings have very good capacity of radial load, suitable for electric metors, automobiles, transmission shafts, gear shafts ... Cylindrical roller bearing N,NN,NJ.NU.NF etc series/China bearing,lower nosie and high quality bearing Guangzhou ...