Tandem Bearings for extruder gearboxes consist of several single row thrust cylindrical roller bearings, outer spacers, inner spacers and shaft. They have simple and compact structures, save installation space, are easy to install and using, they are eual loaded, wear-resistant, and have low vibration, low noise, long life and large axial load capacity. They have been used in most paralleltwin screw extruder gearboxes and have become the key components of twin screw extruders. Our company can provide two-row, three-row, four-row, five-row, six-row, seven-row, eight-row, shaft type and sleeve type tandem bearings, wecan be processed and designed according to customer size requirements. Youcan choose the required bearing according to the screw center distance, space size and load rate.