71.030.258 HD Water Roller Gear Bearing The 71.030.258 HD Water Roller Gear Bearing is a high-quality replacement component engineered specifically for Heidelberg offset printing machines. Designed for precision and durability, this part ensures optimal performance for your printing equipment. Key Benefits & Applications Compatibility: Perfectly suited for Heidelberg SM102 and CD102 models. Reliability: Professional-grade replacement part to maintain machine efficiency.