Helpful DIY instructions: Installation guide and video.
Special details: The housing mounting holes for mandrel assembly 580862601 aren't threaded; order self-tapping bolt part number 584953901 separately to attach the mandrel to the tractor deck.
This mandrel assembly (part number 580862601) is for lawn tractors.
Mandrel assembly 580862601 attaches to the mower deck and spins the blades. The assembly includes the mandrel housing, mandrel shaft and bearing.
Wear work gloves to protect your hands when installing this part.