Rexroth A2F Series | A2F55, A2F80, A2F12 | Fixed Displacement Pump & Motor

Rexroth A2F Series Fixed Displacement Bent-Axis Pumps & Motors

Product Overview: The Rexroth A2F Series is one of the most reliable fixed displacement components in the global hydraulic industry. Utilizing a legendary bent-axis design, this series is versatile enough to operate as either a hydraulic pump or a hydraulic motor. This selection includes core industrial models: A2F55W2P2, A2F80W2P2, A2F12R4P4, and A2F80R6.1P5. Renowned for its exceptional volumetric efficiency and rugged construction, the A2F series is the premier choice for crane winches, injection molding machines, concrete mixers, excavator auxiliary circuits, and industrial power units.

Key Technical Advantages:

• Dual-Purpose Versatility: The fixed bent-axis architecture allows it to excel in both open and closed circuits, providing consistent flow as a pump or powerful torque as a motor.

• Bent-Axis Efficiency: The optimized 40° bent-axis piston layout ensures superior starting torque and mechanical efficiency, maintaining smooth operation even under maximum pressure.

• Peak Pressure & Durability: Rated for continuous operation at 350 Bar with peak capabilities up to 400 Bar (5800 PSI), featuring heavy-duty bearing systems built for strenuous duty cycles.

• Excellent Self-Priming: When used as a pump, the A2F offers superior suction characteristics, minimizing the risk of cavitation and extending equipment service life.

• Compact Power Density: Delivers massive power output within a minimal footprint, making it the ideal drive core for space-constrained applications.

• Target Applications: Heavy-duty winch drives, auxiliary propulsion units, hydrostatic transmissions, and machine tool hydraulic systems.

Detailed Models & Parameters:

• Core Series: Rexroth A2F Series (Bent-Axis Fixed Displacement).

• Model Keywords: A2F55, A2F80, A2F12, W2P2, R4P4, R6.1P5.

• Technical Specs Decoding:

  • A2F12 / A2F55 / A2F80: Refers to the nominal displacement (cm³/rev).

  • W / R: Distinguishes rotation direction (R for clockwise, W for bi-directional or specific configuration).

  • 2P2 / 4P4 / 6.1P5: Refers to the design series (Series 2, 4, 6) and specific shaft, mounting flange, and port standards.

• Pressure Specs: Nominal Pressure 350 Bar, Peak Pressure 400 Bar (5800 PSI).