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BOSCH REXROTH
R902125318

  • BOSCH REXROTH
  • Material:R902125318
  • Model:AA4VG125HD3D1/32R-NTF52F021P

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 AA4VG125HD3D1/32R-NTF52F021P (R902125318) is a state-of-the-art high-pressure pump designed for demanding applications in closed circuits. This robust pump features an integrated boost pump, which ensures a reliable supply of boost and pilot oil. The design allows for smooth directional changes when adjusting the swashplate from the neutral position, enhancing the operational flexibility and precision of the equipment it serves. Engineered with high-pressure relief valves that include an integrated boost function, this pump guarantees safety and reliability under varying pressure conditions. It also comes with an adjustable pressure cutoff as a standard feature, providing additional control over the operation parameters to suit specific application needs. The Bosch Rexroth AA4VG125HD3D1/32R-NTF52F021P is equipped with a boost pressure relief valve and offers through-drive capability. This feature permits the mounting of additional pumps up to the same nominal size, facilitating a modular approach to system design and expansion without compromising performance. This model is tailored specifically for the US market with its SAE version, adhering to industry standards and ensuring compatibility within a wide range of hydraulic systems. With its swashplate design, this high-pressure pump is capable of handling nominal pressures up to bar levels specified by the manufacturer and can endure maximum pressures that peak even higher, signifying its resilience in strenuous environments. Ideal for heavy-duty applications that demand consistent performance and reliability, the Bosch Rexroth AA4VG125HD3D1/32R-NTF52F021P stands out as a versatile component in hydraulic systems requiring precise control and long-term durability.

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