Bosch Rexroth | AA2FO1661R-VSC56
AA2FO16/61R-VSC56
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The AA2FO16/61R-VSC56 motor is part of the A2FM Fixed Motors series from Bosch Rexroth and is intended to convert hydraulic energy into rotational motion in automated systems. It has a geometric displacement of 16 cm³ per revolution, defining the volume of oil transferred each shaft turn. At the nominal speed of 3150 rpm the motor delivers a flow of 50 L/min, allowing stable circuit supply in medium-flow drives. Rotation is fixed in the clockwise direction so plumbing can be arranged accordingly. A case volume of 0.20 L provides internal space for oil circulation and heat dissipation, while a mass of 6 kg simplifies handling during installation. The inlet port tolerates pressures down to 0.8 bar absolute to prevent cavitation on start-up, and up to 30 bar absolute so boost pressure remains within safe limits.
The working section is rated for a nominal pressure of 400 bar to support continuous heavy-duty operation, and it can withstand a maximum of 450 bar for short load peaks. Mechanical output at 350 bar reaches 29 kW, rising to 34 kW when the supply is increased to 400 bar, enabling compact power density in mobile or industrial drives. Corresponding torque values are 89 Nm at 350 bar and 102 Nm at 400 bar, giving predictable shaft load characteristics for gearbox selection. The shaft may accelerate at up to 5000 rad/s² for rapid duty cycles, and the maximum speed limit is 6000 rpm to protect bearings and rotating group integrity under high-flow conditions.
Technical Specifications
Case Volume
0.20 L
Flow At Nnom
50 L/min
Geometric Displacement
16 cm3/rev
Mass
6 kg
Max Angular Acceleration
5000 rad/s2
Max Inlet Pressure
30 bar (abs)
Max Speed (nmax)
6000 rpm
Maximum Pressure
450 bar
Min Inlet Pressure
0.8 bar (abs)
Nominal Pressure
400 bar
Power At 350 Bar
29 kW
Power At 400 Bar
34 kW
Rotation Direction
Clockwise
Speed (nnom)
3150 rpm
Torque At 350 Bar
89 Nm
Torque At 400 Bar
102 Nm
1620 Old Apex Road
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