Replacement Spindle Fits Toro 74330-74399 & 74820 / Fits Toro Z5000 TimeCutterOne New Aftermarket Replacement Spindle Assembly for Toro TimeCutter Zero Turn Mowers This blade spindle housing assembly with short shaft replaces worn or damaged spindle assemblies on Toro TimeCutter and Titan zero turn riding mowers with 42" and 50" mower decks. The assembly installs into the deck and supports the blade shaft, keeping blades running true for a clean, consistent cut. Specifications Bearing ID: 1 1 2" Housing OD: 6 1 4" Housing