... bearing,cylindrical roller bearing,entity bushed needle roller bearing,tapered roller bearing,spherical roller bearing ,thrust cylindrical roller ... bearing,thrust needle roller bearing,thrust tapered roller bearing,spherical thrust roller bearing,clutch bearing,etc ... ISO9000,bearing steel5 delivery:great stock and ready goods6 Bore diameter: 20-100mm7 Precision level: P4, P5, P6, P0 ...