Bosch Rexroth | AA10VO140DFR31L-PSD62K24
AA10VO140DFR/31L-PSD62K24
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The AA10VO140DFR/31L-PSD62K24 pump is produced by Bosch Rexroth and belongs to the A10VSO Variable Pumps series; it supplies regulated hydraulic flow for automation loops that require adaptable displacement. Each revolution moves 140 cm³ of fluid, and the unit is rated for a nominal pressure of 4000 psi (280 bar) to match common actuator demands. A differential pressure setting of 200 psi keeps the DFR regulator responsive to load changes. A suction port sized to SAE J518 2 1/2 in supports unrestricted inlet flow, while the pressure port uses the SAE J518 1 1/4 in interface for the high-pressure line. Installation relies on an SAE J744 152-4 (D) mounting flange that aligns the housing with standard power units. The case filling capacity of 0.79 gal allows proper lubrication at startup, and the shaft withstands up to 1080 lbf of axial force without overstressing the bearings.
The pump tolerates peak pressure surges up to 5100 psi (350 bar) during brief load spikes. Shaft bearings permit an overhang moment of 3319 lb-ft, enabling belt or gear drives, provided radial force stays below the 630 lbf limit. A flow deviation not exceeding 1.60 gpm keeps volumetric accuracy within circuit requirements. The stroking actuator moves to maximum displacement in 130 ms, and destroking back to minimum takes 60 ms, allowing quick command response. A drain port threaded 1 1/16-12 UN-2B returns case leakage to the reservoir and manages internal pressure. The through-drive hub with a 1 1/2 in, 17-tooth, 12/24 DP spline accepts an auxiliary pump so that multi-circuit systems can be assembled using a single prime mover.
Technical Specifications
Axial Force Max
1080 lbf (4800 N)
Destroking Time (dfr, 4000 Psi)
60 ms
Differential Pressure Setting
200 psi (14 bar)
Displacement
140 cm³/rev
Drain Port Thread
1 1/16-12 UN-2B
Filling Capacity
0.79 gal (3.0 L)
Flow Deviation Max
1.60 gpm (6.0 L/min)
Mounting Flange
SAE J744 152-4 (D)
Nominal Pressure
4000 psi (280 bar)
Overhang Moment Max
3319 lb-ft (4500 Nm)
Peak Pressure
5100 psi (350 bar)
Pressure Port Size
SAE J518 1 1/4 in
Radial Force Max
630 lbf (2800 N)
Stroking Time (dfr, 4000 Psi)
130 ms
Suction Port Size
SAE J518 2 1/2 in
Through-drive Hub
1 1/2 in 17T 12/24 DP
1620 Old Apex Road
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