Replacement Spindle Assembly With Self Tapping Mounting Bolts for Cub Cadet (MTD) 918-04123, 618-04123, 918-04123B. Has grease zerk. One complete spindle assembly with 4 self tapping mounting bolts. Includes housing, shaft, bearings, pulley, blade bolt, mounting bolts. Mounting holes not tapped, 4 self tapping bolts included,. aftermarket for MTD 710-1260A This spindle is for blades with 3/4" round holes, not the star blades. Has grease fitting on side of housing.