processing precision: The integrated design of the bearing hole and motor mounting stopper provides exceptional coaxiality, reducing misalignment and operational errors during rotation. Robust and durable: Made from 45 steel with 6001 bearings, this mounting bracket is built to withstand rigorous use while maintaining stability. Easy motor fixation: Compatible with standard nuts and screws for quick, hassle motor installation, helping to speed up your assembly process. Replacement for BK15 support: Serves as a reliable replacement option for BK15 type support, expanding your choices for stepper motor applications. Practical applications: Upgrading BK15based CNC routers or 3D printer gantries to improve motor alignment and simplify maintenance. Replacing worn BK15 brackets in existing machines to restore stability and performance. Use in automated stages or robotic projects where stable, repeatable stepper motor mounting is critical.