Upgrade your MZ Magnum Xtreme spindle with this comprehensive bearing rebuild kit. This set includes six precision bearings specifically designed for the BY 037-2000-00 model, featuring the enhanced C3 clearance specification for improved performance and durability. These bearings are engineered to provide smooth, reliable operation while maintaining proper alignment and reducing friction in your spindle assembly. The C3 clearance upgrade offers greater tolerance for thermal expansion during operation, making these bearings ideal for demanding applications. Perfect for maintenance professionals and machine shop operators looking to restore or enhance their equipment's performance. Each bearing in this six-piece set is manufactured to exact specifications to ensure proper fit and function in your MZ Magnum Xtreme spindle system. MPNP:037-2050-00, 037200000, 037205000, Blade Bearings, Cutter, Deck, Mower