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BOSCH REXROTH
R902122900

  • BOSCH REXROTH
  • Material:R902122900
  • Model:AA4VG90HD3D1/32R-NUF52F001D

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 AA4VG90HD3D1/32R-NUF52F001D (R902122900) is a sophisticated axial piston variable pump that stands out for its integrated boost pump feature, which is essential for boost and pilot oil supply. The design of this pump ensures that the flow direction can be changed smoothly as the swashplate moves through the neutral position, enhancing operational efficiency and control. It is equipped with high-pressure relief valves that incorporate a boost function, providing an additional layer of safety and performance. This model comes with an adjustable pressure cutoff as a standard feature, allowing for precise control over the maximum pressure limit during operation. The boost pressure relief valve further contributes to the pump's ability to maintain optimal performance even under varying pressure conditions. Additionally, the AA4VG90HD3D1/32R-NUF52F001D offers versatility through its through-drive capability; this allows for the mounting of further pumps up to the same nominal size, facilitating complex hydraulic systems or upgrades without significant modifications. The variety of controls available with this pump makes it adaptable to a wide range of application requirements. Its swashplate design is indicative of Bosch Rexroth's commitment to producing durable and reliable hydraulic components. This particular model is designed to meet the demanding needs of various applications where precise hydraulic fluid control and delivery are paramount. Its robust construction and advanced features make it suitable for high-performance operations in numerous fields requiring meticulous fluid power management.

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