Roller Manufacturing Factory is the largest professional factory in China which can produce more than 800 types of rollers for the taper bearings cylindrical bearings spherical bearings and other products with the bearing precision of P0 P2、P4、P5、P6 over P2. The outer diameter range of rollers is from 5mm to 80mm. It can meet customers’ personal requirements for rollers with special shape. The products can be applied to automobile machine tool electrical machinery railway mines and metallurgy precision instrument and other industries.