Bosch Rexroth | AA10VO100DR31L-VUC61N00-TEST-CODE-001
AA10VO100DR/31L-VUC61N00 Test Code 001
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The AA10VO100DR/31L-VUC61N00 Test Code 001 variable pump is produced by Bosch Rexroth as part of the A10VSO Variable Pumps series. It supplies hydraulic actuators with variable flow for closed or open circuit automation loops. The unit delivers a displacement of 100 cm³ per revolution so flow can be set proportional to swashplate angle. When driven at 1800 rpm it supplies 180 L/min, while the rated shaft speed supports a maximum flow of 200 L/min at the nominal speed, allowing machinery to meet steady demand. System working limits are defined by a nominal pressure of 280 bar and a maximum pressure of 350 bar to accommodate brief overloads. Fluid enters through a SAE J518 2 1/2 in inlet port and exits the pressure gallery through a SAE J518 1 1/4 in pressure port. Excess leakage oil returns to tank through an ISO 11926 1 1/16-12 UN-2B case drain port to prevent housing overpressure. At 100 bar the rotating group produces 159 Nm of torque, providing predictable drive sizing for low-load operation.
The pump withstands higher demands by generating 445 Nm of shaft torque at 280 bar. Continuous service is possible up to 2000 rpm at maximum displacement, and speed can be increased to 2400 rpm when the swashplate is reduced, offering flexibility between pressure and flow priorities. Mechanical loading limits are set at 4000 N axial and 2300 N radial shaft loads so belt or gear drives can be selected without exceeding bearing capacity. The internal housing stores 2.2 L of fluid, which acts as both lubrication and a thermal buffer for rotating parts. Despite its output capability, the assembly weighs 45 kg, permitting direct mounting on machine frames without special lifting equipment. These characteristics support reliable performance in hydraulic automation circuits where high flow variability, speed flexibility, and defined mechanical limits are required.
Technical Specifications
Case Drain Port
ISO 11926 1 1/16-12 UN-2B
Case Volume
2.2 L
Displacement
100 cm³/rev
Flow At 1800 Rpm
180 L/min
Inlet Port
SAE J518 2 1/2 in
Max Flow At Nnom
200 L/min
Max Speed At Reduced Vg
2400 rpm
Max Speed At Vg Max
2000 rpm
Max Torque At 280 Bar
445 Nm
Maximum Pressure
350 bar
Nominal Pressure
280 bar
Permissible Axial Shaft Load
4000 N
Permissible Radial Shaft Load
2300 N
Pressure Port
SAE J518 1 1/4 in
Torque At 100 Bar
159 Nm
Weight (dry)
45 kg
1620 Old Apex Road
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