Bosch Rexroth | AA10VO45DFR31L-PUC61N00
AA10VO45DFR/31L-PUC61N00
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The AA10VO45DFR/31L-PUC61N00 variable pump is part of the A10VSO Variable Pumps series manufactured by Bosch Rexroth for hydraulic automation where adjustable flow is required. Its displacement is 45 cm³ per revolution, and this produces 21.4 gpm at 1800 rpm for steady actuator supply. The rotating group turns counter-clockwise when observed from the shaft end, and it can reach 2600 rpm at full displacement for rapid response. Maximum working pressure is limited to 350 bar, while 280 bar is the nominal continuous rating, generating 148 lb-ft of drive torque at that level. Internal lubrication is supported by a 0.26 gal case volume that also provides heat dissipation during prolonged duty cycles.
All service ports are positioned on the rear to aid compact manifold mounting. The inlet uses a 1 1/2 in SAE J518 flange, and the pressure outlet is a 1 in SAE J518 flange. A 7/16-20 UNF-2B pilot port carries control pressure, and housing fluid is directed back to tank through a 7/8-14 UNF-2B drain connection to prevent case overpressure. This model offers no through-drive capability, so it is installed as the final element on the prime mover shaft. Dry mass is 46 lb, an important figure for bracket sizing and mobile equipment balance.
Technical Specifications
Case Volume
0.26 gal (1.0 L)
Displacement
45 cm3/rev (2.75 in3)
Drain Port (l/l1)
7/8-14 UNF-2B
Flow At 1800 Rpm
21.4 gpm (81 L/min)
Inlet Port (s)
SAE J518 1 1/2 in
Max Speed At Vg Max
2600 rpm
Maximum Pressure
350 bar (5100 psi)
Nominal Pressure
280 bar (4000 psi)
Pilot Port (x)
7/16-20 UNF-2B
Ports Orientation
Rear
Pressure Port (b)
SAE J518 1 in
Rotation (viewed On Shaft)
Counter-clockwise
Through Drive
None
Torque At 280 Bar
148 lb-ft (200 Nm)
Weight (without Fluid)
46 lb (21 kg)
1620 Old Apex Road
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