Bosch Rexroth | AA10VO45DFR52R-VUC62N00
AA10VO45DFR/52R-VUC62N00
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The AA10VO45DFR/52R-VUC62N00 pump belongs to the A10VSO Variable Pumps series and is manufactured by Bosch Rexroth. It uses DFR pressure and flow control to regulate delivery rate and maintain system pressure without external electronics. A displacement of 45 cm³ per revolution defines the volume moved each shaft turn, while clockwise rotation aligns with standard right-hand drive layouts. Continuous operation is allowed up to 280 bar nominal pressure, and brief transients may reach 350 bar peak without harming internal parts. At 2600 rpm and full displacement the unit supplies 30.9 gpm, supporting medium hydraulic circuits. Maximum shaft speed remains 2600 rpm at full swashplate angle and rises to 3100 rpm when the displacement is reduced, providing flexibility during low-flow tasks. A minimum inlet pressure of 0.8 bar absolute is required to avoid cavitation at the suction port.
The housing filling capacity is 0.26 gal to keep internal components lubricated and to simplify venting after service. Case drain pressure must stay below 2 bar absolute so shaft seals are not overloaded. The pilot port X uses a 7/16-20 UNF-2B thread, allowing direct connection of test equipment or control lines. Service ports are positioned on the side in version 62 N00 to simplify piping in cramped installations. Output torque reaches 72 Nm at 100 bar and rises to 200 Nm at 280 bar, figures needed when sizing couplings and drive shafts. The dry weight of 46 lb influences mounting hardware selection and handling procedures during maintenance.
Technical Specifications
Control Type
DFR Pressure/Flow Control
Displacement
45 cm3/rev
Filling Capacity
0.26 gal
Max Case Drain Pressure (abs)
2 bar
Max Flow (at 2600 Rpm)
30.9 gpm
Max Speed At Reduced Vg
3100 rpm
Max Speed At Vg Max
2600 rpm
Min Inlet Pressure (abs)
0.8 bar
Nominal Pressure
280 bar
Peak Pressure
350 bar
Pilot Port X Thread
7/16-20 UNF-2B
Rotation
Clockwise
Service Port Orientation
Side (Version 62 N00)
Torque At 100 Bar
72 Nm
Torque At 280 Bar
200 Nm
Weight (without Fluid)
46 lb
1620 Old Apex Road
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