Bosch Rexroth | AA11VLO145LG1H111L-NSD62K02
AA11VLO145LG1H1/11L-NSD62K02
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The AA11VLO145LG1H1/11L-NSD62K02 variable pump is produced by Bosch Rexroth as part of the A11V Variable Pumps series for hydraulic automation systems that need adjustable flow and pressure. A geometric displacement of 145.0 cm³ per revolution defines the fluid volume moved each shaft turn, and a nominal speed limit of 2500 rpm combines with that displacement to supply 363 l/min for large actuator circuits. The unit carries a nominal pressure rating of 350 bar so it can support common industrial load demands, while 211 kW of power at that pressure meets high energy requirements. Output torque reaches 808 Nm at 350 bar, matching heavy-duty drive trains, and the shaft must spin counter-clockwise to align with this specification. A moment of inertia of 0.036 kg·m² minimizes stored kinetic energy, and a maximum angular acceleration of 9000 rad/s² allows rapid speed changes during fast cycle operations.
The pump housing holds 2.9 L of case oil to lubricate and cool internal parts, and case pressure must stay below 2 bar to protect seals. Charge-pump inlet pressure has to remain between 0.6 bar absolute and 2 bar absolute so the main pumping elements avoid cavitation or overload during start-up and transient conditions. For brief overloads the pump can withstand 400 bar, offering reserve strength above the nominal rating. Mechanical stacking is possible through a 7/8 in 13T 16/32DP through-drive hub, which transmits torque to an auxiliary pump when tandem circuits are needed. The assembly weighs 73 kg without a through-drive, influencing bracket design and lifting provisions. These limits and mechanical features, combined with the generous case volume and controlled inlet range, complete the data needed to integrate the AA11VLO145LG1H1/11L-NSD62K02 in automated hydraulic installations.
Technical Specifications
Case Volume
2.9 L
Direction Of Rotation
Counter-Clockwise
Flow At Nominal Speed
363 l/min
Geometric Displacement
145.0 cm³/rev
Max Angular Acceleration
9000 rad/s²
Max Case Pressure
2 bar
Max Inlet Pressure (charge Pump)
2 bar abs
Maximum Pressure
400 bar
Min Inlet Pressure (charge Pump)
0.6 bar abs
Moment Of Inertia (jtw)
0.036 kg·m²
Nominal Pressure
350 bar
Nominal Speed (vg Max)
2500 rpm
Power At 350 Bar (nnom)
211 kW
Through-drive Hub
7/8 in 13T 16/32DP
Torque At 350 Bar (vg Max)
808 Nm
Weight (without Through-drive)
73 kg
1620 Old Apex Road
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