Bosch Rexroth | AA11VO95DRS10R-NSD62K17
AA11VO95DRS/10R-NSD62K17
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The AA11VO95DRS/10R-NSD62K17 pump is manufactured by Bosch Rexroth and belongs to the A11V Variable Pumps series. It serves hydraulic automation by adjusting output via a pressure controller with load sensing that matches flow to circuit demand. At nominal speed and full displacement it delivers 220 l/min. The geometric displacement is 93.5 cm³ per revolution so each shaft turn transfers a predictable volume. Under standard load sensing the differential pressure setting is 18 bar, allowing the swash plate to respond quickly to varying loads. Maximum speed reaches 2780 rpm when the displacement is reduced, while operation at full displacement is limited to 2350 rpm to protect rotating parts. The pump supports a nominal pressure of 350 bar and tolerates peaks up to 400 bar. A moment of inertia of 0.0173 kg·m² limits drive motor strain during acceleration.
The housing contains 2.1 L of case volume to collect leakage oil and cool internal components. Rapid duty cycles are accommodated by a maximum angular acceleration of 13000 rad/s². At rated conditions of 350 bar the unit can transmit 128 kW of hydraulic power. The drive shaft must supply 521 Nm of torque to achieve this output. Fluid enters through a 3 in SAE J518 suction port that keeps inlet velocity low, and it exits through a 1 in SAE J518 pressure port sized for common manifolds. Dry weight without a through-drive is 53 kg, simplifying handling during installation. These features enable reliable performance in systems requiring responsive pressure and flow control.
Technical Specifications
Case Volume
2.1 L
Control Type
Pressure Controller With Load Sensing
Flow At Nnom, Vg Max
220 l/min
Geometric Displacement
93.5 cm³/rev
Ls Δp Standard Setting
18 bar
Max Angular Acceleration
13000 rad/s²
Max Speed (vg<=vg Max)
2780 rpm
Max Speed At Vg Max
2350 rpm
Maximum Pressure
400 bar
Moment Of Inertia (jtw)
0.0173 kg·m²
Nominal Pressure
350 bar
Power At Nnom (Δp=350 Bar)
128 kW
Pressure Port A Size
1 in (SAE J518)
Suction Port S Size
3 in (SAE J518)
Torque At Δp=350 Bar
521 Nm
Weight (without Through-drive)
53 kg
1620 Old Apex Road
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