Bosch Rexroth | AA10VM45DG52W2-VRC66N007
AA10VM45DG/52W2-VRC66N007
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The AA10VM45DG/52W2-VRC66N007 variable displacement motor belongs to the A10VM Variable Motors series from Bosch Rexroth and converts hydraulic energy into controlled rotary motion for automation systems. Its maximum displacement is 45 cm³ per revolution, establishing how much fluid is moved for each shaft turn at full swashplate angle. At this displacement the motor admits up to 180 L/min of flow at rated speed, supporting circuits that need moderate throughput. A peak speed of 4000 rpm can be maintained at full displacement without breaching mechanical limits. The housing endures a maximum pressure of 350 bar for transient peaks. At the nominal working level of 280 bar the shaft produces 200 Nm of torque to drive connected machinery. A rotary group moment of inertia of 0.0033 kg·m² promotes quick acceleration and deceleration, while the 1-inch, 15-tooth 16/32DP spline shaft links directly to standard hydromechanical couplings.
The internal case volume of 0.7 L accommodates leakage oil and contributes to heat removal from the rotating group. A boost pressure setting of 16 bar sustains positive inlet pressure, preventing cavitation during high-speed operation. Displacement control begins to actuate at 40 bar and reaches its upper switching point at 280 bar, allowing proportional adjustment across the entire swashplate range. The control port is threaded 7/16-20 UNF-2B for the pilot line, the working ports use 1 1/16-12 UN-2B threads for the main flow path, and the case drain employs a 7/8-14 UNF-2B connection to return oil to tank. When the swashplate is shifted to minimum displacement the motor speed can rise to 4600 rpm, giving higher rotational output with reduced flow demand. These pressure thresholds and port interfaces aid straightforward integration into hydraulic drive assemblies.
Technical Specifications
Boost Pressure Setting (n007)
16 bar
Case Volume
0.7 l
Control Port Thread (g/g1)
7/16-20 UNF-2B
Dg Max Switching Pressure
280 bar
Dg Min Switching Pressure
40 bar
Displacement (vg Max)
45 cm3/rev
Drain Port Thread
7/8-14 UNF-2B
Drive Shaft Spline
1 in 15T 16/32DP
Max Flow @ Nnom, Vg Max
180 l/min
Max Speed @ Vg Max
4000 rpm
Max Speed @ Vg Min
4600 rpm
Maximum Pressure
350 bar
Moment Of Inertia (rotary Group)
0.0033 kg m^2
Nominal Pressure
280 bar
Torque @ Vg Max, 280 Bar
200 Nm
Working Port Thread
1 1/16-12 UN-2B
1620 Old Apex Road
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