Taper roller thrust bearings enable axially very compact bearing arrangements to be produced which can carry very heavy axial loads,are insensitive to shock loads and are stiff ZWHZZ produces single direction taper roller thrust bearing and double direction taper roller thrust bearings.The screw-down bearings constitute a special design of single direction taper roller thrust bearing and have a full complement of rollers.They are used for rolling mill screw-down arrangements.