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BOSCH REXROTH
R902122899

  • BOSCH REXROTH
  • Material:R902122899
  • Model:AA4VG90HD3DT1/32R-NSF52F001D

Due to extremely high demand, please call 877-366-7226 for availability

***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Bosch Rexroth directly.***
The Bosch Rexroth AA4VG90HD3DT1/32R-NSF52F001D (R902122899) is a highly efficient axial piston variable pump designed for hydrostatic drives in an open circuit. This advanced pump features an integrated boost pump which ensures the supply of boost and pilot oil, critical for maintaining the system's efficiency and reliability. The smooth flow direction transition when the swashplate moves through the neutral position highlights the precision engineering of this model. It is equipped with high-pressure relief valves that incorporate a boost function, enhancing its operational safety. The AA4VG90HD3DT1/32R-NSF52F001D comes standard with an adjustable pressure cutoff, providing additional control to suit various application requirements. A boost pressure relief valve is also included, further ensuring protection against pressure spikes. This model offers versatility through its through-drive capability, allowing for the mounting of additional pumps up to the same nominal size, which can be particularly beneficial in complex hydraulic systems requiring multiple pump configurations. Furthermore, this pump boasts a wide range of control options to meet diverse application needs and ensure optimal performance. The swashplate design is a testament to Bosch Rexroth's commitment to delivering durable and reliable hydraulic components. Its robust construction makes it suitable for heavy-duty applications that demand consistent power and performance over extended periods. The AA4VG90HD3DT1/32R-NSF52F001D represents state-of-the-art hydraulic engineering that delivers both functionality and efficiency for demanding applications.

Table of values

Size

28 40 56 71 90 125

Displacement
geometric, per revolution

Vg max

cm³

28 40 56 71 90 125

Nominal pressure

pnom

bar

400 400 400 400 400 400

Maximum pressure

pmax

bar

450 450 450 450 450 450

Maximum speed

at Vg max

nnom

rpm

4250 4000 3600 3300 3050 2850

Intermittent 1)

nmax

rpm

5000 5000 4500 4100 3800 3450

Flow

at Vg max and nnom

qV nom

l/min

119 160 202 234 275 356

Power

at qV nom and Δpnom 2)

P

kW

79 107 134 156 183 238

Torque

at Vg max and Δpnom

M

Nm

178 255 357 452 573 796

Weight (approx.)

m

kg

29 31 38 50 60 80
1) At Δp = 70 … 150 bar or Δp < 300 bar and t < 0.1 s
2) Δpnom = 400 bar