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A4FO

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October 24, 2025
Category Connection: Hydraulic Piston Pump
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Tags:
#Axial Piston Variable Pump #Axial Piston Hydraulic Pump #Variable Displacement Piston Pump
Brief: Discover the Rexroth A4FO Hydraulic Piston Pump R902228114 A4fo28/32r-Nsc12K02, a high-performance fixed displacement axial piston unit designed for industrial and mobile hydraulics. Learn about its dual functionality, robust construction, and versatile applications.
Related Product Features:
  • Dual functionality: operates as both a hydraulic pump and motor for flexible system design.
  • High power density: compact design delivers maximum performance in minimal space.
  • Excellent efficiency: optimized hydraulics ensure high volumetric and mechanical efficiency.
  • Robust construction: heavy-duty bearings and hardened components for long service life.
  • Multiple configurations: available in various displacements, shaft types, and porting options.
  • High pressure capability: up to 400 bar continuous as a pump and 450 bar intermittent as a motor.
  • Wide speed range: operates up to 3,600 rpm depending on displacement size.
  • Standard mounting: compatible with SAE and ISO flange mounts for easy installation.
Faqs:
  • Can the A4FO unit be used as both a pump and a motor?
    Yes, the A4FO is designed to operate efficiently as either a hydraulic pump or motor, providing excellent flexibility in system design.
  • What is the maximum speed for the A4FO units?
    Maximum speed depends on displacement size, ranging from 1,800 rpm for larger units (500 cm³) to 3,600 rpm for smaller units (28 cm³).
  • Are there special requirements for using the A4FO as a motor?
    When used as a motor, consider case drain flow requirements and ensure proper flushing flow for optimal bearing life.
  • Where can I find installation dimensions for the A4FO unit?
    Complete dimensional drawings are available in the product documentation. Contact us for specific dimension sheets.
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