Rexroth R909921788 Port Plate M

Key Specifications

• Manufacturer: Bosch Rexroth
• Part Number (MNR): R909921788
• Model Code: CONTROL LENS 'R' 20125.2090
• Common Industry Description: Port Plate M / Control Lens R
• Component Type: Port Valve Control Plate / Control Lens
• Rotation Direction: Right-Hand / Clockwise Rotation ("R")

Product Overview

The Bosch Rexroth R909921788 Port Plate M is a genuine, high-precision OEM fluid distribution lens engineered for heavy-duty variable displacement axial piston units. Also classified as a valve control plate or control lens, this component functions as the primary interface regulating fluid timing between internal suction and discharge chambers. Configured for right-hand rotation ("R"), it forms a micro-precise pressure seal against the rotating cylinder group to eliminate internal pressure bypass and ensure optimal volumetric efficiency.