Bosch Rexroth | AA11VO75DRS10L-NSD62K07-TEST-CODE-001
AA11VO75DRS/10L-NSD62K07 Test Code 001
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The AA11VO75DRS/10L-NSD62K07 Test Code 001 pump belongs to the A11V Variable Pumps series from Bosch Rexroth and is intended to supply controlled oil flow in hydraulic automation circuits. It contains a geometric displacement of 74.0 cm³ per revolution, enabling predictable volume delivery with each shaft turn. At the nominal speed of 2550 rpm and with the displacement set to maximum, the pump provides a flow of 189 L/min for medium-to-high demand systems. Under the same operating point and a differential pressure of 350 bar, it transfers 110 kW of hydraulic power while generating 412 Nm of shaft torque. The housing holds 1.85 L of case oil to lubricate internal components, and the design supports continuous service at a nominal pressure of 350 bar. Rotation is specified as counter-clockwise, matching drive arrangements that follow left-hand orientation.
For additional performance margins, the pump is cleared for a maximum pressure of 400 bar and can run up to 3000 rpm when the displacement does not exceed its rated maximum. The rotary group has a moment of inertia of 0.0115 kg·m², helping the drive accelerate and decelerate without excessive energy loss, while a rotary stiffness of 101.9 kNm/rad maintains shaft alignment under load. The shaft end uses a 1 1/4-inch, 14-tooth, 12/24 DP spline, providing a positive mechanical connection to standard prime movers. Load-sense operation relies on a differential pressure setting of 18 bar, allowing the control valve to adjust flow according to circuit demand. An NBR shaft seal with an FKM ring keeps oil contained and protects against contamination. The assembly weighs 45 kg without a through-drive adapter, which guides mounting and support considerations.
Technical Specifications
Case Volume
1.85 L
Direction Of Rotation
Counter-Clockwise
Drive Shaft Spline
1 1/4 in 14T 12/24 DP
Flow At Nominal Speed (vg Max)
189 L/min
Geometric Displacement
74.0 cm³/rev
Ls Differential Pressure (standard)
18 bar
Max Speed At Vg≤vg Max
3000 rpm
Maximum Pressure
400 bar
Moment Of Inertia Of Rotary Group
0.0115 kg·m²
Nominal Pressure
350 bar
Nominal Speed At Vg Max
2550 rpm
Power At Nominal Speed (Δp 350 Bar)
110 kW
Rotary Stiffness (s Shaft)
101.9 kNm/rad
Sealing Material
NBR (FKM Shaft Seal Ring)
Torque At Vg Max (Δp 350 Bar)
412 Nm
Weight (without Through-drive)
45 kg
1620 Old Apex Road
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