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BOSCH REXROTH
R902148294

  • BOSCH REXROTH
  • Material:R902148294
  • Model:AA4VG71HD3DT1/32R-NSF52F021D *FNI*

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 AA4VG71HD3DT1/32R-NSF52F021D (R902148294) is a high-performance axial piston variable pump designed with advanced engineering for demanding hydraulic operations. This pump features an integrated boost pump that ensures consistent boost and pilot oil supply, which is critical for the smooth operation of hydraulic systems. The flow direction within the pump is engineered to change seamlessly as the swashplate moves through its neutral position, enhancing the operational efficiency and reliability of the equipment it powers. Built to handle high pressures, this model includes high-pressure relief valves that come with an integrated boost function, providing an additional layer of operational safety. The AA4VG71HD3DT1/32R-NSF52F021D also boasts an adjustable pressure cutoff as a standard feature, allowing for precise control over maximum system pressure to safeguard against potential overloads. The inclusion of a boost pressure relief valve further contributes to the pump's robust safety features. Its through-drive design is particularly versatile, accommodating the mounting of additional pumps up to the same nominal size, which allows for system expansion or redundancy without requiring additional space. Bosch Rexroth has equipped this model with a wide range of control options, ensuring that it can be tailored to meet specific application requirements. Its swashplate design is optimized for variable displacement applications, making it suitable for use in mobile and industrial applications where efficiency and adaptability are paramount. Overall, the Bosch Rexroth AA4VG71HD3DT1/32R-NSF52F021D axial piston variable pump stands out due to its integrated features that enhance performance and safety in high-pressure hydraulic systems.

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