Rexroth A2F Series Motor | A2F12 A2F55 A2F107 A2F500 | Fixed Piston Pump & Motor | A2F55W2Z2

Rexroth A2F Series Fixed Displacement Bent Axis Piston Motors & Pumps

Product Overview: The Rexroth A2F Series is a premier fixed displacement axial piston unit featuring the iconic bent-axis design, versatile enough to function as either a hydraulic motor or a pump in hydrostatic drives. Due to the angle between the pistons and the drive shaft, the A2F series offers elite volumetric efficiency and superior self-priming capabilities. This category covers the full spectrum from the compact A2F12 to the heavy-duty A2F500, including the high-demand A2F55W2Z2. These units are the definitive choice for crane winches, excavator swings, heavy industrial presses, marine deck machinery, and construction equipment drives.

Key Technical Advantages:

• Superior Power-to-Weight Ratio: The bent-axis design facilitates higher speeds and pressures, delivering massive power within a compact, robust frame.

• Extreme Pressure Resilience: Rated for a continuous pressure of 350 Bar with peak capabilities reaching 400 Bar (5800 PSI), ensuring stability under severe shock loads.

• Excellent Self-Priming: When utilized as a pump, it features outstanding suction characteristics, reducing the demands on charge systems.

• Rugged Engineering: Equipped with high-quality bearings and precision-matched piston groups for extended service life under frequent reversals and heavy-duty cycles.

• Target Applications: Rotary drill rig heads, concrete pumping, rail maintenance vehicles, and windlasses.

Detailed Models & Parameters:

• Core Series: Rexroth A2F Series (Fixed Displacement).

• Full Displacement Spectrum:

  • Small Sizes: A2F12, A2F23, A2F28.

  • Medium Sizes: A2F55 (e.g., A2F55W2Z2, A2F56W2Z2), A2F63, A2F80, A2F107, A2F125, A2F160.

  • Heavy-Duty Sizes: A2F250, A2F500.

• Technical Spec Decoding (e.g., A2F55W2Z2):

  • A2F: Fixed displacement piston unit.

  • 55: Displacement class (54.8 cm³/rev).

  • W: Valve plate configuration.

  • 2Z2: Specific shaft end and porting standard.

• Core Performance Specs:

  • Max Pressure: 400 Bar (5800 PSI).

  • Speed Capability: Supports up to 5000+ RPM depending on frame size.