Bosch Rexroth | AA10VO60DR52R-VSC61N00
AA10VO60DR/52R-VSC61N00
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The AA10VO60DR/52R-VSC61N00 pump is part of the A10VSO Variable Pumps series produced by Bosch Rexroth for hydraulic automation where adjustable flow and sustained pressure are required. Its open-circuit design lets fluid move directly from reservoir to actuator without a closed loop, simplifying plumbing. Rotation is clockwise when viewed at the shaft so it pairs with standard diesel or electric prime movers, and flow is directed from port S to port B to define the pressure line. Continuous duty is supported by a nominal pressure of 4000 psi, while a 5100 psi peak rating tolerates brief overloads. The inlet may be boosted to 435 psi to suppress cavitation during high-speed operation. An SAE J744 mounting flange fits common motor faces, and SAE J518 port flanges accept industry standard hose fittings. Port location version 61 N00 fixes the suction and pressure outlets in predictable positions to aid compact manifold layout.
Two case drain ports allow flexible routing of return oil and help limit housing pressure; this pressure must stay below 29 psi to protect bearings and seals. Internal leakage is further controlled by restricting pressure rise above the inlet to 7 psi, which minimizes heating and power loss. The pump works with hydraulic oil up to 239 °F, yet can start at temperatures as low as ‑40 °F, allowing year-round service in mobile or industrial equipment. A minimum cleanliness level of ISO 4406 20/18/15 is required to prevent wear on pistons and slipper pads. Bosch Rexroth specifies a viscosity grade of VG 68 so the oil film remains stable across the full temperature window. FKM seals resist heat and petroleum-based fluids, extending service intervals under demanding conditions.
Technical Specifications
Case Drain Ports
2
Circuit Type
Open Circuit
Cleanliness Class Minimum
ISO 4406 20/18/15
Cold Start Min Temperature
-40 °F (-40 °C)
Direction Of Flow
S To B
Leakage Pressure Above Inlet, Max
7 psi (0.5 bar)
Max Case Drain Pressure (abs)
29 psi (2 bar)
Max Fluid Temperature
239 °F (115 °C)
Max Inlet Pressure (abs)
435 psi (30 bar)
Mounting Flange Standard
SAE J744
Nominal Pressure
4000 psi (280 bar)
Peak Pressure
5100 psi (350 bar)
Port Flange Standard
SAE J518
Port Location Version
61 N00
Recommended Viscosity Grade
VG 68
Rotation (viewed At Shaft)
Clockwise
Seal Material
FKM (Code V)
1620 Old Apex Road
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