Bosch Rexroth | AA10VSO10DR52R-VKC64N00E-SO275
AA10VSO10DR/52R-VKC64N00E SO275
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The AA10VSO10DR/52R-VKC64N00E SO275 pump belongs to the A10VSO Variable Pumps series from Bosch Rexroth and is used to vary flow and pressure in hydraulic automation systems. It turns clockwise, and each shaft rotation displaces 10.5 cm³ of fluid. A DR pressure controller modulates outlet pressure to the set point. The unit operates at a nominal pressure of 250 bar while the upper limit reaches 315 bar. At full displacement the shaft can run at 3600 rpm, delivering up to 37 l/min to the circuit. Drive requirements are defined by a torque demand of 42 Nm at 250 bar, enabling correct motor sizing.
The pump accepts a maximum speed of 4320 rpm for short-term duty, supporting rapid actuator cycles. Suction conditions range from 0.8 bar abs minimum to 5 bar abs maximum, and case pressure must stay below 2 bar to protect internal seals. Installation uses an ISO 3019-1 (SAE) two-bolt flange, and FKM seals provide chemical resistance. There is no through drive, so the shaft cannot be used to power an auxiliary pump. Weight without the through-drive option is 8 kg, allowing single-person handling during maintenance. Together these specifications define performance limits and mounting requirements for dependable service in industrial hydraulic circuits.
Technical Specifications
Control Type
DR Pressure Controller
Direction Of Rotation
Clockwise
Geometric Displacement
10.5 cm³/rev
Max Case Pressure (pl Max)
2 bar
Max Flow (nnom, Vg Max)
37 l/min
Max Speed (vg<vg Max)
4320 rpm
Max Suction Pressure (ps Max)
5 bar abs
Maximum Pressure
315 bar
Min Suction Pressure (ps Min)
0.8 bar abs
Mounting Flange
ISO 3019-1 (SAE) 2-bolt
Nominal Pressure
250 bar
Nominal Speed At Vg Max
3600 rpm
Sealing Material
FKM
Through Drive
None
Torque At 250 Bar (vg Max)
42 Nm
Weight (without Through Drive)
8 kg
1620 Old Apex Road
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