Bosch Rexroth | AA2FO10761L-VBD55
AA2FO107/61L-VBD55
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The AA2FO107/61L-VBD55 motor belongs to the A2FM Fixed Motors series from Bosch Rexroth and provides constant displacement hydraulic power for automation circuits. The fixed displacement of 106.7 cm³ per revolution sets a predictable volume output, and a rated speed of 1600 rpm is the primary operating point. At this speed the unit supplies 171 L/min of oil to actuators, while a nominal pressure of 400 bar allows continuous duty. Torque reaches 679 N·m at that pressure, and the corresponding shaft power is 114 kW. Shaft rotation is counterclockwise, so circuit layout must match this direction. An overall weight of 32 kg influences the design of mounting brackets and supports.
The motor permits a maximum pressure of 450 bar and a limiting speed of 3000 rpm for short-term overload conditions. A moment of inertia of 0.0116 kg·m² helps the drive accelerate and decelerate quickly, and a rotary stiffness of 11.2 kN·m/rad restricts torsional deflection under load. Internal leakage is collected within a 0.8 L case volume, and two M18 × 1.5 drain ports allow controlled venting. Working fluid enters through a suction port in the SAE J518 1 ½ in pattern, while pressure lines attach to service ports A and B sized to SAE J518 1 in. These interface dimensions, together with the performance limits noted earlier, define how the AA2FO107/61L-VBD55 integrates into hydraulic drive loops.
Technical Specifications
Case Volume
0.8 L
Direction Of Rotation
Counterclockwise (L)
Displacement
106.7 cm³/rev
Drain Ports T1/t2
M18 x 1.5
Flow At Rated Speed
171 L/min
Limiting Speed
3000 rpm
Maximum Pressure
450 bar
Moment Of Inertia
0.0116 kg·m²
Nominal Pressure
400 bar
Power At 400 Bar
114 kW
Rated Speed
1600 rpm
Rotary Stiffness
11.2 kNm/rad
Service Ports A/b
SAE J518 1 in
Suction Port S
SAE J518 1 1/2 in
Torque At 400 Bar
679 Nm
Weight
32 kg
1620 Old Apex Road
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