This genuine John Deere Blade Shaft, part number SB1134505203, is an essential component for maintaining the cutting deck of John Deere ride-on mowers. Designed for durability and precise fit, it ensures optimal blade rotation and efficient mowing. Key dimensions include a total length of 178 mm, a pulley outer diameter of 50 mm, a blade outer diameter of 22 mm, and a bearing inner diameter of 17 mm. It is compatible with a wide range of John Deere models, including the 100, D, E, L, LA, S, X, and Z series lawn tractors and zero-turn mowers.