Bosch Rexroth | AA10VO60DFR52R-VSD62N00
AA10VO60DFR/52R-VSD62N00
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The AA10VO60DFR/52R-VSD62N00 pump belongs to the A10VSO Variable Pumps series from Bosch Rexroth and supplies pressurized fluid to hydraulic actuators. A pressure-flow control arrangement, identified as DFR, varies displacement to meet system demand. The control loop maintains a differential of 200 psi (14 bar) between the load signal and the internal spring, stabilizing flow under changing loads. Clockwise rotation turns internal groups so that oil moves from port S to port B, matching the specified direction of flow. The inlet at port S can accept absolute pressures from 12 psi (0.8 bar) up to 435 psi (30 bar), allowing either flooded or boosted suction lines. Fluid temperatures may reach 115 °C (239 °F) without requiring derating, supporting high-temperature hydraulic circuits.
An SAE J744 mounting flange fixes the housing to the prime mover, while side-oriented port flanges built to SAE J518 simplify rigid pipe connections. A pilot port threaded 7/16-20 UNF-2B provides a tap for external control lines. Continuous service pressure at port B is 4000 psi (280 bar) and short peaks can rise to 5100 psi (350 bar), matching heavy-duty mobile and industrial systems. Two case drain ports let the installer choose the most convenient return path, and case pressure must stay below 29 psi (2 bar) to protect shaft seals. The design omits a through drive, so the pump cannot be tandem-mounted with additional units.
Technical Specifications
Case Drain Abs Pressure Max
29 psi (2 bar)
Case Drain Ports
2
Control Type
Pressure-Flow Control (DFR)
Dfr Differential Pressure
200 psi (14 bar)
Direction Of Flow
S to B
Direction Of Rotation
Clockwise
Inlet Abs Pressure Max (port S)
435 psi (30 bar)
Inlet Abs Pressure Min (port S)
12 psi (0.8 bar)
Max Fluid Temperature
115°C (239°F)
Mounting Flange Standard
SAE J744
Nominal Pressure (port B)
4000 psi (280 bar)
Peak Pressure (port B)
5100 psi (350 bar)
Pilot Port Thread (x)
7/16-20 UNF-2B
Port Flanges Standard
SAE J518
Port Orientation
Side
Through Drive
None
1620 Old Apex Road
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