Bosch Rexroth | AEAA10VSO71DR31R-VKC92N00
AEAA10VSO71DR/31R-VKC92N00
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The AEAA10VSO71DR/31R-VKC92N00 variable pump belongs to the A10VSO Variable Pumps series and is manufactured by Bosch Rexroth for regulated hydraulic power in automated machinery. A DR pressure controller adjusts outlet pressure, and a geometric displacement of 71 cm³ per revolution provides a fixed volume per shaft turn. When operating at the nominal speed of 2200 rpm, the circuit can sustain a nominal pressure of 4100 psi (280 bar). The shaft is designed for clockwise rotation, and an ISO 3019-1 two-hole C flange secures the housing to the prime mover. Fluid enters through a 2 in SAE suction port that follows ISO 6162-1 and exits the pressure line through a 1 in SAE working port of the same standard. Port arrangement 92 places the suction and working connections on opposite sides for straightforward hose routing.
With the swashplate set below maximum displacement, the drive speed can rise to 2600 rpm; at the rated 2200 rpm the pump supplies a maximum flow of 41.2 gpm. A peak system pressure of 5100 psi (350 bar) is available for short load events. Control signals reach the unit through a 7/16-20 UNF-2B pilot port, while case oil returns through a 7/8-14 UNF-2B drain connection, both meeting ISO 11926. No auxiliary pump can be coupled because the model is built without a through drive, identified by the N00 code. These features support stable pressure regulation and high-speed operation within compact hydraulic installations.
Technical Specifications
Control Type
DR Pressure Controller
Direction Of Rotation
Clockwise (R)
Drain Port (l)
7/8-14 UNF-2B (ISO 11926)
Geometric Displacement
71 cm³/rev (4.33 in³/rev)
Max Flow (at 2200 Rpm)
41.2 gpm
Max Speed (at Vg < Vg Max)
2600 rpm
Maximum Pressure
5100 psi (350 bar)
Mounting Flange
ISO 3019-1 2-Hole (C)
Nominal Pressure
4100 psi (280 bar)
Nominal Speed (at Vg Max)
2200 rpm
Pilot Port (x)
7/16-20 UNF-2B (ISO 11926)
Port Plate
92 (Laterally Opposite Ports)
Suction Port (s)
2 in SAE (ISO 6162-1)
Through Drive
N00 (Without Through Drive)
Working Port (b)
1 in SAE (ISO 6162-1)
1620 Old Apex Road
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