Bosch Rexroth | AA10VM45HZ52W2-VRC60N000
AA10VM45HZ/52W2-VRC60N000
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The AA10VM45HZ/52W2-VRC60N000 motor is built by Bosch Rexroth and belongs to the A10VM Variable Motors series for hydraulic automation where adjustable speed and torque are required. Its displacement is 45 cm³ per revolution, giving the unit moderate flow capability for medium-power drives. At full displacement the rotor can run between 250 rpm and 4000 rpm, outlining the practical speed window for heavy duty cycles. The assembly tolerates a maximum pressure of 350 bar and is intended for continuous service at 280 bar, allowing stable operation in closed-loop circuits. When driven at nominal speed and full displacement, the motor draws 180 L/min from the pump, information necessary for circuit sizing. Under 280 bar the output shaft produces 200 Nm of torque, supplying mechanical energy to propel mobile equipment or rotate industrial machinery. A working port measuring 3/4 in on port plate 60 passes the main flow into the rotating group.
The internal case volume of 0.7 L stores leakage oil and cushions pressure pulses before fluid returns to tank. Mechanical power leaves the motor through a 1 in, 15-tooth 16/32DP splined drive shaft that couples directly to gearboxes or sprockets. Drain flow exits via a port tapped 7/8-14 UNF-2B, while pilot control oil enters through a 7/16-20 UNF-2B connection; pilot pressure may vary from 30 bar to a maximum of 280 bar, enabling accurate swashplate positioning. With displacement set to minimum, the permissible speed increases to 4600 rpm so travel drives can reach higher vehicle velocities. The working port is fastened with 3/8-16 UNC-2B bolts, securing the housing to the manifold and maintaining joint integrity during pressure cycling.
Technical Specifications
Case Volume
0.7 L
Displacement (vg Max)
45 cm3/rev
Drain Port Thread
7/8-14 UNF-2B
Drive Shaft (r)
1 in 15T 16/32DP
Inlet Flow At Nnom, Vg Max
180 L/min
Max Pilot Pressure (hz)
280 bar
Max Speed At Vg Max
4000 rpm
Max Speed At Vg Min
4600 rpm
Maximum Pressure
350 bar
Min Pilot Pressure (hz)
30 bar
Min Speed At Vg Max
250 rpm
Nominal Pressure
280 bar
Pilot Port Thread (x)
7/16-20 UNF-2B
Torque At 280 Bar, Vg Max
200 Nm
Working Port Fastening Thread
3/8-16 UNC-2B
Working Port Size (port Plate 60)
3/4 in
1620 Old Apex Road
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