Bosch Rexroth | AA10VM45DG52W2-VRC60N000
AA10VM45DG/52W2-VRC60N000
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The AA10VM45DG/52W2-VRC60N000 belongs to the A10VM Variable Motors series from Bosch Rexroth and serves as a variable-displacement axial piston unit for hydraulic automation loops. A maximum displacement of 45 cm³ per revolution lets the control system adjust output flow to match changing load demands. With a nominal speed rating of 4000 rpm, the motor maintains steady performance in typical circuit duty cycles, while a peak speed of 4600 rpm at minimum displacement covers brief high-velocity events. At 280 bar nominal pressure the unit delivers continuous power, and an inlet flow capacity of 180 l/min ensures sufficient oil supply at that setting. The motor can start turning at only 250 rpm when running at full displacement, aided by a starting torque of 149 Nm that overcomes static load. Power is transmitted through a 1 in 15T 16/32DP splined shaft that matches common pump couplings, and hydraulic lines connect to a 3/4 in ISO 6162-2 port that fits standard SAE flange hardware.
For short-term overload events the motor tolerates 350 bar maximum pressure without permanent deformation. A minimum switching pressure of 40 bar is required for the displacement control mechanism to move the swashplate reliably. The internal case volume of 0.7 l provides space for leakage oil collection and temperature equalization before the fluid returns to tank. Dynamic behavior is influenced by a 0.0033 kg·m² moment of inertia, allowing fast changes in speed when the drive train commands it. The rotating group withstands angular accelerations up to 4000 rad/s² so rapid reversals do not exceed mechanical limits. Under sustained 280 bar load the motor produces 200 Nm of running torque for steady work. Overall weight is 18 kg, permitting installation on mobile equipment frames without excessive structural reinforcement.
Technical Specifications
Case Volume
0.7 l
Displacement (vg Max)
45 cm³/rev
Drive Shaft Spline
1 in 15T 16/32DP
Inlet Flow (nnom × Vg Max)
180 l/min
Max Angular Acceleration
4000 rad/s²
Max Speed (vg Min)
4600 rpm
Maximum Pressure
350 bar
Min Speed (vg Max)
250 rpm
Min Switching Pressure (dg)
40 bar
Moment Of Inertia
0.0033 kg·m²
Nominal Pressure
280 bar
Nominal Speed (vg Max)
4000 rpm
Starting Torque (280 Bar)
149 Nm
Torque (280 Bar)
200 Nm
Weight
18 kg
Working Port Size (port Plate 60)
3/4 in (ISO 6162-2)
1620 Old Apex Road
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