Bosch Rexroth | AA10VO60DFR52R-VUC61N00
AA10VO60DFR/52R-VUC61N00
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The AA10VO60DFR/52R-VUC61N00 axial piston unit belongs to the A10VSO Variable Pumps series and is produced by Bosch Rexroth for hydraulic automation tasks that require adjustable flow. It works continuously up to a nominal pressure of 4000 psi (280 bar), while a peak pressure rating of 5100 psi (350 bar) covers short-lived load spikes. A minimum inlet absolute pressure of 12 psi (0.8 bar) prevents cavitation, and a maximum inlet absolute pressure of 435 psi (30 bar) allows boosted charge conditions. Case drain pressure is limited to 29 psi (2 bar) so the housing seals remain within their design margin. Direction of flow is specified from port S to port B, giving installers a fixed line layout for circuit design.
A differential pressure setting of 200 psi (14 bar) governs the dFR control response, and a hysteresis band up to 60 psi (4 bar) shows the allowable swing before the control resets. Hydraulic fluid must stay cleaner than ISO 4406 20/18/15 to protect the rotating group. Operating fluid temperatures can reach 239 °F (115 °C) without damage, while short-term viscosity limits span from 10 mm²/s to 1600 mm²/s so the pump maintains adequate lubrication and volumetric efficiency across cold starts and warm running. Together these constraints define reliable service in automated oil circuits.
Technical Specifications
Case Drain Pressure Max
29 psi (2 bar)
Cleanliness Class Min
ISO 4406 20/18/15
Dfr Hysteresis Max
60 psi (4 bar)
Differential Pressure (dfr) Standard
200 psi (14 bar)
Direction Of Flow
S To B
Inlet Abs Pressure Max
435 psi (30 bar)
Inlet Abs Pressure Min
12 psi (0.8 bar)
Max Fluid Temperature
239 °F (115 °C)
Max Viscosity (short-term)
1600 mm²/s
Min Viscosity (short-term)
10 mm²/s
Nominal Pressure
4000 psi (280 bar)
Peak Pressure
5100 psi (350 bar)
1620 Old Apex Road
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