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BOSCH REXROTH
R902127311

  • BOSCH REXROTH
  • Material:R902127311
  • Model:AA4VG71EZ1D1/32R-NSF52FXX1SH-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 AA4VG71EZ1D1/32R-NSF52FXX1SH-S (R902127311) is a state-of-the-art axial piston variable pump designed for high-efficiency hydraulic systems. This pump features an integrated boost pump that ensures a reliable supply of boost and pilot oil, which is critical for optimal operation. The transition of flow direction in this model is exceptionally smooth, even when the swashplate moves through the neutral position, allowing for precise control and operation. Equipped with high-pressure relief valves that incorporate a boost function, the AA4VG71EZ1D1/32R-NSF52FXX1SH-S offers enhanced safety and performance by limiting the maximum pressure within the hydraulic system. This is further complemented by an adjustable pressure cutoff as a standard feature, providing additional control over the operational parameters. The inclusion of a boost pressure relief valve ensures that the system maintains consistent performance even under varying load conditions. Moreover, this model boasts a through-drive capability, which permits the mounting of additional pumps up to the same nominal size directly to the unit without needing extra adapters or coupling hardware. This feature facilitates compact system design and simplifies installation processes. Furthermore, this Bosch Rexroth pump showcases versatility with its wide range of control options available to suit different application needs. Built on the robust swashplate design principle known for durability and reliability, it is engineered to meet demanding operational requirements while delivering consistent performance over time. In summary, with its advanced features such as integrated boosting capabilities, smooth flow direction changeover, high-pressure relief valves with boost functions, and versatile control options, the Bosch Rexroth AA4VG71EZ1D1/32R-NSF52FXX1SH-S (R902127311) stands out as an exceptional component suitable for advanced hydraulic systems requiring precise control and long-term reliability.

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