Bosch Rexroth | AA10VSO140DFR131RPKD62K02S355
AA10VSO140DFR1/31RPKD62K02S355
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The AA10VSO140DFR1/31RPKD62K02S355 variable pump is produced by Bosch Rexroth within the A10VSO Variable Pumps series and supplies adjustable hydraulic flow for automated machinery. It displaces 140 cm³ per revolution, establishing the volume transferred each shaft turn, and requires clockwise rotation to match its internal porting. Continuous operation is rated at 280 bar, while brief load spikes can reach 350 bar without damage. An SAE J518 2-1/2 in inlet port links to the suction line, and inlet absolute pressure must stay below 30 bar to avoid cavitation. Case oil leaves through a 1 1/16-12 UN-2B drain port, and the internal case holds 3.0 L of fluid for lubrication.
The pump can turn at up to 1800 rpm, giving a maximum flow of 252 L/min when set to full displacement. Supplying this flow at 280 bar calls for 118 kW of mechanical power and generates 623 Nm of drive-shaft torque. System pressure exits through an SAE J518 1-1/4 in port, while control signals enter a 9/16-18 UNF-2B pilot connection. The case drain line must remain below an absolute pressure of 2 bar to protect bearings. The unit weighs 60 kg without fluid, which influences mounting and handling inside hydraulic power packs.
Technical Specifications
Case Drain Port Size
1 1/16-12 UN-2B
Case Drain Pressure Abs Max
2 bar (29 psi)
Case Volume
3.0 L (0.79 gal)
Direction Of Rotation
Clockwise (R)
Displacement Per Rev
140 cm³
Inlet Port
SAE J518 2-1/2 in
Inlet Pressure Abs Max
30 bar (435 psi)
Max Flow At Nmax
252 L/min (66.6 gpm)
Max Speed At Vg Max
1800 rpm
Nominal Pressure
280 bar (4000 psi)
Peak Pressure
350 bar (5100 psi)
Pilot Port X Thread
9/16-18 UNF-2B
Power At 1800 Rpm (280 Bar)
118 kW (158 HP)
Pressure Port
SAE J518 1-1/4 in
Torque At 280 Bar
623 Nm (453 lb-ft)
Weight (without Fluid)
60 kg (132 lb)
1620 Old Apex Road
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