Bosch Rexroth | AA10VSO100DR31R-PKC62K03
AA10VSO100DR/31R-PKC62K03
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The AA10VSO100DR/31R-PKC62K03 variable pump belongs to the A10VSO Variable Pumps series from Bosch Rexroth and supplies regulated hydraulic flow for closed-loop automation circuits. It turns clockwise, a configuration that matches powertrains laid out for right-hand rotation. A parallel keyed shaft transmits torque from the prime mover without slip, while the geometric displacement of 100 cm³ per revolution sets the base volume moved each cycle. At a standard speed of 1800 rpm the pump delivers 47.6 gpm (180 L/min), giving designers a reference point for sizing system components. The unit sustains continuous operation at 4100 psi (280 bar) and can withstand up to 5100 psi (350 bar) for transient spikes, providing a wide pressure window for mobile or industrial drives. An ISO 3019-1 two-hole flange supports rigid mounting to common housings, and the working ports follow ISO 6162 SAE flange dimensions so hose assemblies connect without adapters.
With the swashplate set to maximum displacement the pump is rated for 2000 rpm, yet it can run up to a permissible limit of 2400 rpm when the displacement is reduced. At nominal speed it reaches a peak flow of 52.8 gpm (200 L/min), enabling higher actuator velocities when required. The drive train must accommodate 125 HP (93 kW) at that same speed, and 328 lb-ft (445 Nm) of torque is needed when system pressure reaches 280 bar. A through-drive rated for 100 percent of the same size pump allows a second unit to be piggy-backed for multi-circuit arrangements. Weight is 109 lb (49.5 kg) without the auxiliary stage and rises to 122 lb (55.4 kg) when the through-drive adapter is fitted, figures that aid in determining support structure and lifting equipment.
Technical Specifications
Direction Of Rotation
Clockwise
Drive Shaft Type
Parallel Keyed Shaft
Flow At 1800 Rpm
47.6 gpm (180 L/min)
Geometric Displacement
100 cm3/rev (6.10 in3/rev)
Max Flow At Nnom
52.8 gpm (200 L/min)
Max Permissible Speed
2400 rpm
Max Power At Nnom
125 HP (93 kW)
Max Torque At 280 Bar
328 lb-ft (445 Nm)
Maximum Pressure
5100 psi (350 bar)
Mounting Flange
ISO 3019-1 2-hole
Nominal Pressure
4100 psi (280 bar)
Speed At Vg Max
2000 rpm
Through-drive Capability
100% same size
Weight With Through Drive
122 lb (55.4 kg)
Weight Without Through Drive
109 lb (49.5 kg)
Working Port Standard
ISO 6162 (SAE Flange)
1620 Old Apex Road
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