DMS8 Vacuum Pump Shaft Collar & Pump Bearing Retainer Plate The DMS8 Vacuum Pump Shaft Collar & Pump Bearing Retainer Plate is a precision-engineered assembly designed to provide secure shaft positioning , reliable bearing support , and long-lasting protection within the DMS8 vacuum pump system . Manufactured to exact tolerances, this essential component set ensures smooth operation , reduced vibration , and extended pump life , making it ideal for maintaining optimal performance in demanding dairy environments. Constructed from high-quality, corrosion-resistant materials , both the shaft collar and bearing retainer plate are built for strength, durability, and precision alignment. The shaft collar provides a firm, adjustable grip that locks the shaft securely in place, while the retainer plate supports and protects the bearing assembly, maintaining accurate alignment under continuous operation. Together, they help to minimise wear, reduce maintenance requirements, and enhance pump reliability. When correctly fitted, the DMS8 Vacuum Pump Shaft Collar & Pump Bearing Retainer Plate helps to: Maintain precise shaft alignment and smooth rotation Reduce vibration and mechanical stress w