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BOSCH REXROTH
R902122953

  • BOSCH REXROTH
  • Material:R902122953
  • Model:AA4VG90HD3D1/32L-NSF52F041D

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 AA4VG90HD3D1/32L-NSF52F041D (R902122953) is a high-performance axial piston variable pump that features an integrated boost pump for both boost and pilot oil supply. This advanced engineering allows for the flow direction to change smoothly when the swashplate is moved through the neutral position, ensuring efficient operation and control. The design incorporates high-pressure relief valves with an integrated boost function, providing additional safety and reliability for the system. Equipped with adjustable pressure cutoff as a standard feature, this model offers precise control over the operational parameters, suitable for various applications requiring meticulous pressure adjustments. The presence of a boost pressure relief valve further enhances the pump's functionality by maintaining optimal pressure levels within the system. The AA4VG90HD3D1/32L-NSF52F041D is also designed with versatility in mind, featuring a through-drive capability that allows for the mounting of additional pumps up to the same nominal size. This flexibility makes it an ideal choice for systems requiring multiple pumps in tandem. Furthermore, its large variety of controls enables customization according to specific application needs, while its robust swashplate design ensures durability and long service life under demanding conditions. Whether used in mobile or industrial applications, this Bosch Rexroth axial piston variable pump stands out for its precision engineering and adaptability to various operational demands.

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