Bosch Rexroth | AA10FM4552W-VRC66N000-SO481
AA10FM45/52W-VRC66N000-SO481
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The AA10FM45/52W-VRC66N000-SO481 axial piston motor belongs to the A10FM Piston Motors series from Bosch Rexroth and functions as a variable-displacement drive for hydraulic automation. Its displacement of 44.5 cm³ per revolution determines the oil volume moved each shaft turn. Because the direction of rotation is alternating, the motor can run in either direction without modifications. A maximum rotational speed of 4000 rpm defines the speed limit for continuous duty. Installation is supported by an ISO 3019-1 two-hole mounting flange that aligns with standard pump frames. The drive shaft uses a 1 in 15-tooth 16/32DP spline for secure mechanical coupling. System piping attaches through a 1 1/16-12 UN-2B working port thread, while a 7/8-14 UNF-2B drain port thread routes leakage oil back to tank. A nominal pressure of 280 bar establishes the continuous operating limit.
The motor withstands a maximum pressure of 350 bar for short-term overloads. At nominal speed, the inlet flow is 178 l/min, indicating the pump capacity needed to supply the circuit. Output power reaches 83.1 kW at 280 bar, matching medium-power drive requirements. The shaft can deliver up to 198 Nm of torque at 280 bar, and starting torque is 170 Nm for reliable breakaway under load. Axial forces up to 1500 N are permissible along the shaft, and the same 1500 N limit applies to radial forces measured at half the shaft length. The unit weighs about 17 kg, which simplifies manual handling during installation.
Technical Specifications
Direction Of Rotation
Alternating
Displacement
44.5 cm³/rev
Drain Port Thread
7/8-14 UNF-2B
Drive Shaft Spline
1 in 15T 16/32DP
Inlet Flow At Nnom
178 l/min
Max Axial Force
1500 N
Max Radial Force At A/2
1500 N
Max Rotational Speed
4000 rpm
Max Torque (280 Bar)
198 Nm
Maximum Pressure
350 bar
Mounting Flange
ISO 3019-1 (2-Hole)
Nominal Pressure
280 bar
Power At Nnom (280 Bar)
83.1 kW
Starting Torque (280 Bar)
170 Nm
Weight Approx.
17 kg
Working Port Thread
1 1/16-12 UN-2B
1620 Old Apex Road
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