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BOSCH REXROTH
R902111779

  • BOSCH REXROTH
  • Material:R902111779
  • Model:AA4VG56EP3D1/32L-NSC52F003DH-S

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 AA4VG56EP3D1/32L-NSC52F003DH-S (R902111779) is a state-of-the-art axial piston variable pump that features an integrated boost pump for both boost and pilot oil supply, ensuring reliable performance and efficiency in its operation. Designed with a swashplate system, the flow direction of this pump changes smoothly as the swashplate is moved through its neutral position, providing precise control and functionality for various applications. This particular model includes high-pressure relief valves that come with an integrated boost function, enhancing the safety and durability of the pump under demanding conditions. Furthermore, it is equipped with an adjustable pressure cutoff as a standard feature, allowing for customization according to specific operational requirements. The AA4VG56EP3D1/32L-NSC52F003DH-S also incorporates a boost pressure relief valve to further protect the hydraulic system from potential overpressure scenarios. Its through-drive capability is noteworthy as it permits the mounting of additional pumps up to the same nominal size, which can be invaluable in complex hydraulic systems requiring multiple pump setups. Bosch Rexroth has designed this model to offer a large variety of controls, thereby providing flexibility to integrate with different systems and applications seamlessly. The robust swashplate design of this axial piston variable pump ensures reliability and longevity, making it suitable for heavy-duty operations. In summary, this Bosch Rexroth axial piston variable pump stands out for its integrated boosting capabilities, smooth operation across flow directions, customizable pressure settings, and versatile control options. Its robust construction and thoughtful design make it an ideal choice for demanding hydraulic applications where precision and durability are paramount.

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