The MTD 7381128 Blade Bearing Shaft is an authentic OEM replacement component designed for various MTD, Cub Cadet, Troy-Bilt, and Craftsman lawn and garden equipment. This critical shaft supports the blade bearing within the spindle assembly, ensuring smooth and efficient blade rotation for optimal cutting performance. Made from durable materials, it provides reliable operation and extends the life of your mower deck. It measures 127 mm in length and has a diameter of 15.9 mm.