Bosch Rexroth | AEAA10VSO28DR31R-PKC62N00
AEAA10VSO28DR/31R-PKC62N00
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The AEAA10VSO28DR/31R-PKC62N00 pump is manufactured by Bosch Rexroth as part of the A10VSO Variable Pumps series. It supplies pressurized hydraulic fluid in automation systems where flow must adapt to changing load demands. The unit delivers 28 cm³ of fluid per revolution so controllers can match displacement to actuator requirements, while its nominal speed rating of 3000 rpm defines a stable continuous-duty point. At 1800 rpm and full displacement it outputs 13.3 gpm, providing steady motion in moderate-speed circuits. A case volume of 0.185 gal stores leakage oil so heat and air can separate before return. Clockwise rotation aligns with right-hand prime movers, and a parallel keyed 22-1 drive shaft simplifies coupling to standard electric motors. The suction port is sized at SAE 1 1/4 in to minimize inlet losses, whereas the working port uses an SAE 3/4 in interface for pressure delivery. Service lines attach through a 3/4-16 UNF-2B drain port and a 7/16-20 UNF-2B pilot port to handle case drainage and control signals.
The pump handles circuit demands up to 22 gpm at rated conditions, and it can accelerate to 3600 rpm for brief overspeed operation without cavitation. Designers may load the housing to 280 bar during normal duty cycles, while a 350 bar ceiling provides margin for short pressure peaks. Shaft torque is 33 lb-ft at 100 bar, letting small motors drive the unit efficiently; the requirement rises to 92 lb-ft at 280 bar so couplings and drivetrains can be sized for heavier loads. These flow, speed, pressure, and torque limits define the operating envelope that hydraulic machinery relies on for lifting, steering, and propulsion tasks, and the variable displacement design lets energy usage track real-time demand rather than fixed output delivery.
Technical Specifications
Case Volume
0.185 gal (0.7 L)
Direction Of Rotation
Clockwise (R)
Displacement Per Rev
28 cm3 (1.71 in3)
Drain Port Thread
3/4-16 UNF-2B
Drive Shaft Type
Parallel Keyed (22-1)
Flow At 1800 Rpm (vg Max)
13.3 gpm (50 L/min)
Max Flow (nnom, Vg Max)
22 gpm (84 L/min)
Max Speed (vg<max)
3600 rpm
Maximum Pressure
350 bar (5100 psi)
Nominal Pressure
280 bar (4100 psi)
Nominal Speed (vg Max)
3000 rpm
Pilot Port Thread
7/16-20 UNF-2B
Suction Port Size
SAE 1 1/4 in (ISO 6162-1)
Torque At 100 Bar (vg Max)
33 lb-ft (45 Nm)
Torque At 280 Bar (vg Max)
92 lb-ft (125 Nm)
Working Port Size
SAE 3/4 in (ISO 6162-1)
1620 Old Apex Road
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