Bosch Rexroth | AA10VSO140DR31R-PKD62K40
AA10VSO140DR/31R-PKD62K40
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The AA10VSO140DR/31R-PKD62K40 pump belongs to the A10VSO Variable Pumps series and is manufactured by Bosch Rexroth for hydraulic automation that requires adjustable flow under pressure. It delivers 140 cm³ per revolution, so the geometric displacement establishes how much oil is moved each shaft turn. A nominal pressure rating of 280 bar lets the unit operate continuously in high-demand circuits, while the 350 bar peak pressure rating permits short overload events without damage. Clockwise rotation matches engines or electric motors that turn in the same direction, and the parallel-keyed ISO 3019-1 44-1 shaft simplifies rigid coupling to those prime movers. The SAE J744 152-4 mounting flange pattern aligns with common pump pads, ensuring straightforward installation, and the shaft can accept up to 875 lb-ft of input torque, defining the mechanical limit before slippage or failure. A dry weight of 132 lb informs lifting choices and frame design, and the internal case volume of 0.79 gal provides space for leakage oil that cools and lubricates moving parts.
An SAE J518 2 1/2 in inlet port allows unrestricted oil supply, and an SAE J518 1 1/4 in pressure port delivers the pumped flow to the system with matching flanges for hoses or pipes. The 1 1/16-12 UNF-2B case drain thread complies with ISO 11926 so the drain line can be connected with standard fittings. Service ports are positioned on the side in Version 62, which aids plumbing in compact power units. The pump tolerates fluid temperatures up to 230 °F, letting it run with mineral oils that operate at elevated heat levels. DR control hysteresis is limited to 45 psi, keeping pressure regulation precise when load changes occur, and pilot oil consumption stays below 0.8 gpm to minimize energy loss in the control loop. Together, these features support stable, efficient pressure and flow control in mobile and industrial hydraulic equipment.
Technical Specifications
Case Drain Port Thread
1 1/16-12 UNF-2B (ISO 11926)
Case Volume
0.79 gal (3.0 L)
Dr Control Hysteresis
45 psi (3 bar) Max
Dr Pilot Oil Consumption Max
0.8 gpm (3 L/min)
Drive Shaft Type
Parallel Keyed ISO 3019-1 44-1 (K)
Geometric Displacement
140 cm³/rev (8.54 in³/rev)
Inlet Port Size
SAE J518 2 1/2 in
Max Fluid Temperature
+230 °F (+110 °C)
Max Input Torque (shaft K)
875 lb-ft (1186 Nm)
Mounting Flange Pattern
SAE J744 152-4 (D)
Nominal Pressure
280 bar (4100 psi)
Peak Pressure
350 bar (5100 psi)
Pressure Port Size
SAE J518 1 1/4 in
Rotation Direction
Clockwise (R)
Service Ports Orientation
Side (Version 62)
Weight (without Fluid)
132 lb (60 kg)
1620 Old Apex Road
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