Bosch Rexroth | AA2FO35560R-VPH11
AA2FO355/60R-VPH11
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The AA2FO355/60R-VPH11 motor is produced by Bosch Rexroth within the A2FM Fixed Motors series and serves as a constant-displacement unit for hydraulic automation circuits. Its geometric displacement is 355 cm³ per revolution, so each turn moves a fixed volume of fluid for predictable flow output. The housing tolerates continuous operation at 350 bar and peaks up to 400 bar, allowing it to handle both steady-state and transient loads. The rotation direction is clockwise, permitting direct replacement in drives that require right-hand shaft rotation. Rated torque reaches 1978 Nm at 350 bar, providing high mechanical output for propel or swing functions. Service life is supported by a speed limit of 1600 rpm, preventing excessive centrifugal loads on rotating parts. Installation aligns with an ISO 3019-2 eight-bolt flange, ensuring compatibility with common pump frames.
At 1500 rpm the motor can deliver a maximum flow of 469 L/min, supplying ample oil volume for large displacement circuits. Initial filling needs 3.5 L of case oil to ensure internal lubrication before startup. A mass moment of inertia of 0.102 kg·m² limits acceleration forces, allowing responsive speed changes from the drive. Case drain pressure must stay below 3 bar absolute to avoid seal deformation and bearing overload. All dynamic seals are made from FKM, providing resistance to high-temperature hydraulic fluids. Pressure ports A and B, along with the S drain port, are positioned on the rear according to code 11, simplifying manifold plumbing. The assembled unit weighs 110 kg, so lifting equipment is recommended during installation.
Technical Specifications
Case Fill Capacity
3.5 L
Geometric Displacement
355 cm³/rev
Mass Moment Of Inertia
0.102 kg·m²
Max Case Drain Pressure
3 bar (abs)
Maximum Flow
469 L/min
Maximum Pressure
400 bar
Mounting Flange
ISO 3019-2 (8-bolt)
Nominal Pressure
350 bar
Rotation Direction
Clockwise (R)
Seal Material
FKM
Service Ports
A,B rear; S rear (Code 11)
Speed Limit
1600 rpm
Torque At 350 Bar
1978 Nm
Weight
110 kg
1620 Old Apex Road
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