... Bearings (21000, 22000 and 23000 series)3. Tapered Roller Bearings (30000 series and Inch series)4. Pillow Block Ball Bearings (UCP ... at the spindles of machine tools. Cylindrical roller bearing N,NN,NJ.NU.NF etc series/China bearing,lower ... Cage material: Nylon steel brass8.Application: Auto, tractor, machine tool, electric machine, water pump, agricultural machinery and textile machinery9.High-speed ...