The Exmark 1-653346 Lawn Mower Bumper Bearing helps support smooth movement between compatible bumper and mounting components. Positioned within the related assembly, the bearing helps reduce friction and allows connected parts to move with less resistance during mower operation. Proper bearing function can help minimize unwanted play, noise, and wear on surrounding components. Replac... https://www.wholetoolbox.com/exmark-1-653346-lawn-mower-bumper-bearing/1-653346.html