The Exmark 109-2064 Lawn Mower Spindle Bearing W/ O-Rings supports smooth spindle rotation and helps maintain reliable mower deck operation. This replacement bearing fits within the spindle assembly, allowing the spindle and connected blade components to rotate with reduced friction. The included O-rings help support proper sealing around the bearing area. Replacing worn or damaged co... https://www.wholetoolbox.com/exmark-109-2064-lawn-mower-spindle-bearing-w-o-rings/109-2064.html