Bosch Rexroth | AA10VO60DFR52R-VSD62K04
AA10VO60DFR/52R-VSD62K04
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The AA10VO60DFR/52R-VSD62K04 variable displacement pump belongs to the A10VSO Variable Pumps series manufactured by Bosch Rexroth for hydraulic automation that requires adjustable flow and pressure. It supplies circuits at a maximum working pressure of 4100 psi (280 bar), while a peak pressure capability of 5100 psi (350 bar) accommodates short overloads. During idle operation the unit holds a standby pressure of 290 psi (20 bar) so actuators stay primed with minimal energy use. The integrated DFR control sustains a 200 psi (14 bar) differential to maintain responsive flow regulation. It is designed for HLP mineral oil, and it safely handles fluid temperatures up to 239 °F (115 °C) to prevent thermal thinning. An inlet pressure limit of 435 psi (30 bar absolute) allows the pump to accept charge pressure without damage, and it can also lift fluid from a suction height of 31.5 in (800 mm) when operating under reservoir head.
Two case drain ports let installers choose the most direct return line and simplify hose routing, provided drain pressure stays below 29 psi (2 bar absolute) to protect seals. The design tolerates viscosities from 10 cSt during cold starts up to 1600 cSt for brief heavy-oil conditions, giving wide fluid flexibility. A mounting flange that follows the SAE J744 pattern matches standard power-unit pads, while the pressure outlet built to SAE J518 supports common high-pressure fittings. A pilot port threaded 7/16-20 UNF-2B offers a connection for external control signals. The through-drive interface sized at 1 in SAE B-B (K04) transmits residual torque to an auxiliary pump in tandem arrangements, allowing compact multi-pump modules within mobile or industrial hydraulic systems.
Technical Specifications
Case Drain Ports
2
Dfr Differential Pressure (std)
200 psi (14 bar)
Hydraulic Fluid Type
HLP Mineral Oil
Max Case Drain Pressure (abs)
29 psi (2 bar)
Maximum Fluid Temperature
239 F (115 C)
Maximum Inlet Pressure (abs)
435 psi (30 bar)
Maximum Suction Height
31.5 in (800 mm)
Maximum Viscosity (short Term)
1600 cSt
Maximum Working Pressure
4100 psi (280 bar)
Minimum Viscosity (short Term)
10 cSt
Mounting Flange Standard
SAE J744
Peak Pressure
5100 psi (350 bar)
Pilot Port X Thread
7/16-20 UNF-2B
Pressure Port Standard
SAE J518
Standby Pressure
290 psi (20 bar)
Through-drive Interface
1 in SAE B-B (K04)
1620 Old Apex Road
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