Based on this product's specifications, here are some alternatives and similar models
Linear Guide for Y-Axis for BambuLab 3D Printers—BambuLab A1 Series
Summary description:
Replacement linear guide designed for the Y-axis of BambuLab A1 series 3D printers. This precision mechanical component restores smooth, accurate Y-axis motion and supports stable bed or gantry movement. Intended for maintenance or repair of BambuLab A1 machines, it helps reduce play and maintain print quality during repeated use.