Heidelberg Cam for Impression (43.012.55) The Heidelberg Cam for Impression (43.012.55) is a high-precision spare part engineered specifically for Heidelberg MO series offset printing machines. As a critical component in the bearing and cam follower assembly, it ensures the mechanical reliability and print quality required in professional printing environments. Key Advantages ✅ Precision Engineering: Designed for exact compatibility with Heidelberg MO series. ✅ Reliable