Heidelberg Bearing Bush 53.005.303 The Heidelberg Bearing Bush 53.005.303 is a high-precision spare part engineered for Heidelberg offset printing machines. Designed specifically for MO models, this component is supplied by GUANGZHOU XIANGCHEN PRINTING EQUIPMENT CO., LTD. to ensure optimal machine performance, reliability, and cost-efficiency for printing professionals worldwide. Key Benefits & Applications Precision Engineering: Specifically designed for Heidelberg MO series