Bosch Rexroth | AA2FM16061WVSD520
AA2FM160/61WVSD520
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The AA2FM160/61WVSD520 fixed motor belongs to the A2FM Fixed Motors series and is produced by Bosch Rexroth for hydraulic automation. It delivers a displacement of 160.4 cm³ per revolution, which defines the volume of hydraulic fluid moved each cycle. At its nominal speed of 3600 rpm the motor draws an inlet flow of 577 l/min, allowing consistent fluid supply in high-power circuits. Operation at a nominal pressure of 400 bar yields a torque of 1021 Nm, providing predictable output for drive functions. The design tolerates a maximum pressure of 450 bar, while the high-pressure side must remain above 25 bar to maintain bearing load capacity. System cleanliness must be kept at ISO 4406 class 20/18/15 to protect internal surfaces and sustain service life.
For more demanding duty the motor can experience a total pressure of 700 bar without structural failure. The case is limited to a continuous differential pressure of 2 bar and can see brief peaks up to 10 bar, so drain lines must be sized accordingly. A case volume of 1.1 l permits adequate oil exchange for cooling. Dynamic performance is influenced by a rotating group inertia of 0.022 kg·m² and a rotary stiffness of 17.4 kNm/rad, parameters that set acceleration response. The mechanical design endures angular accelerations up to 3500 rad/s², enabling rapid load changes in closed-loop drives. These characteristics combine to keep the AA2FM160/61WVSD520 reliable in hydraulic systems that require steady speed, high torque, and controlled pressure limits.
Technical Specifications
Case Differential Pressure (cont.)
2 bar
Case Pressure Peak
10 bar
Case Volume
1.1 l
Displacement
160.4 cm³/rev
Fluid Cleanliness Level
ISO 4406 20/18/15
Inlet Flow At Nominal Speed
577 l/min
Max Angular Acceleration
3500 rad/s²
Maximum Pressure
450 bar
Minimum High-pressure Side
25 bar
Nominal Pressure
400 bar
Nominal Speed
3600 rpm
Rotary Stiffness
17.4 kNm/rad
Rotating Group Inertia
0.022 kg·m²
Torque At Nominal Pressure
1021 Nm
Total Pressure
700 bar
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